The following discussion should be read in conjunction with the financial statements and notes thereto appearing elsewhere in this report.



This Quarterly Report on Form 10-Q, including the documents incorporated by
reference, contain forward-looking statements within the meaning of the federal
securities laws, Section 27A of the Securities Act of 1933, as amended, and
Section 21E of the Securities Exchange Act of 1934, as amended. We intend these
forward-looking statements to be covered by the safe harbor provisions for
forward-looking statements contained in the Private Securities Litigation Reform
Act of 1995 and are including this statement for purposes of complying with
those safe harbor provisions, in each case, to the extent applicable. Such
statements are contained principally, but not only, under the captions "Risk
Factors" and "Management's Discussion and Analysis of Financial Condition and
Results of Operations." We caution investors that any such forward-looking
statements are based on current beliefs or expectations of future events and on
assumptions made by, and information currently available to, our management.
When used, the words "anticipate," "believe," "budget," "could," "estimate,"
"expect," "intend," "may," "might," "plan," "project," "should," "will" and
similar expressions that do not relate solely to historical matters are intended
to identify forward-looking statements. Such statements are subject to risks,
uncertainties and assumptions and are not guarantees of future performance or
occurrences, which may be affected by known and unknown risks, trends,
uncertainties and factors that are, in some cases, beyond our control. Should
one or more of these known or unknown risks or uncertainties materialize, or
should underlying assumptions prove incorrect, actual results may vary
materially from those expressed or implied by the forward-looking statements. We
caution you that, while forward-looking statements reflect our good-faith
beliefs when we make them, they are not guarantees of future performance or
occurrences and are impacted by actual events when they occur after we make such
statements. Accordingly, investors should use caution in relying on
forward-looking statements, which are based on results and trends at the time
they are made, to anticipate future results or trends.

The most significant factors that may cause actual results to differ materially
from those expressed or implied by the forward-looking statements include the
impact on global and U.S. economic conditions due to the ongoing COVID-19
pandemic, the ongoing war in Ukraine, rising inflation, increasing interest
rates, supply-chain disruptions, as well as the risks described in (i) our
Annual Report on Form 10-K for the fiscal year ended December 31, 2021 including
those described under the caption "Risk Factors," (ii) our subsequent filings
under the Exchange Act and (iii) the risk factors set forth in this Form 10-Q in
Part II, Item 1A, if any.

Some of the risks and uncertainties that may cause our actual results, performance or achievements to differ materially from those expressed or implied by forward-looking statements include, among others, the following:



•the risks and uncertainties related to the impact of (1) the COVID-19 global
pandemic, including the emergence of additional variants, the effectiveness,
availability and distribution of vaccines, including their efficacy against new
variant strains and the willingness of individuals to be vaccinated, (2) the
impact of geopolitical conflicts, including the war in Ukraine, and (3) the
severity and duration of the indirect economic impacts of the foregoing, such as
recession, supply chain disruptions, labor market disruptions, rising inflation,
increasing interest rates, dislocation and volatility in capital markets, job
losses, potential longer-term changes in consumer and tenant behavior, as well
as possible future governmental responses;

•volatile or adverse global economic and geopolitical conditions, health crises and dislocations in the credit markets could adversely affect our access to cost-effective capital and have a resulting material adverse effect on our business opportunities, results of operations and financial condition;

•risks associated with downturns in the national and local economies, increasing interest rates, and volatility in the securities markets;

•general risks affecting the real estate industry (including, without limitation, the inability to enter into or renew leases, tenant space utilization, dependence on tenants' financial condition, and competition from other developers, owners and operators of real estate);

•failure to manage effectively our growth and expansion into new markets and sub-markets or to integrate acquisitions and developments successfully;

•the ability of our joint venture partners to satisfy their obligations;

•risks and uncertainties affecting property development and construction (including, without limitation, rising inflation, supply chain disruptions, labor shortages, construction delays, increased


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construction costs, cost overruns, inability to obtain necessary permits, tenant
accounting considerations that may result in negotiated lease provisions that
limit a tenant's liability during construction, and public opposition to such
activities);

•risks associated with the availability and terms of financing and the use of
debt to fund acquisitions and developments or refinance existing indebtedness,
including the impact of higher interest rates on the cost and/or availability of
financing;

•risks associated with forward interest rate contracts and the effectiveness of such arrangements;

•risks associated with actual or threatened terrorist attacks;

•costs of compliance with the Americans with Disabilities Act and other similar laws;

•potential liability for uninsured losses and environmental contamination;

•risks associated with the physical effects of climate change;



•risks associated with security breaches through cyber attacks, cyber intrusions
or otherwise, as well as other significant disruptions of our information
technology (IT) networks and related systems, which support our operations and
our buildings;

•risks associated with BXP's potential failure to qualify as a REIT under the Internal Revenue Code of 1986, as amended;

•possible adverse changes in tax and environmental laws;

•the impact of newly adopted accounting principles on our accounting policies and on period-to-period comparisons of financial results;

•risks associated with possible state and local tax audits; and

•risks associated with our dependence on key personnel whose continued service is not guaranteed.



The risks set forth above are not exhaustive. Other sections of this report may
include additional factors that could adversely affect our business and
financial performance. Moreover, we operate in a very competitive and rapidly
changing environment, particularly in light of the circumstances relating to
COVID-19 and the war in Ukraine. New risk factors emerge from time to time and
it is not possible for management to predict all risk factors, nor can we assess
the impact of all risk factors on our business or the extent to which any
factor, or combination of factors, may cause actual results to differ materially
from those contained in any forward-looking statements. Given these risks and
uncertainties, investors should not place undue reliance on forward-looking
statements as a prediction of actual results. Investors should also refer to our
most recent Annual Report on Form 10-K and Quarterly Reports on Form 10-Q for
future periods and Current Reports on Form 8-K as we file them with the SEC, and
to other materials we may furnish to the public from time to time through
Current Reports on Form 8-K or otherwise, for a discussion of risks and
uncertainties that may cause actual results, performance or achievements to
differ materially from those expressed or implied by forward-looking statements.
We expressly disclaim any responsibility to update any forward-looking
statements to reflect changes in underlying assumptions or factors, new
information, future events, or otherwise, and you should not rely upon these
forward-looking statements after the date of this report.

Overview



BXP is one of the largest publicly traded office real estate investment trusts
(REITs) (based on total market capitalization as of March 31, 2022) in the
United States that develops, owns, and manages primarily Class A office
properties. Our properties are concentrated in six markets in the United States
- Boston, Los Angeles, New York, San Francisco, Seattle, and Washington, DC.
BPLP is the entity through which BXP conducts substantially all of its business
and owns (either directly or through subsidiaries) substantially all of its
assets. We generate revenue and cash primarily by leasing Class A office space
to our clients. When making leasing decisions, we consider, among other things,
the creditworthiness of the client and the industry in which it conducts
business, the length of the lease, the rental rate to be paid at inception and
throughout the lease term, the costs of tenant improvements, free rent periods
and other landlord concessions, anticipated operating expenses and real estate
taxes, current and anticipated vacancy in our properties and the market overall
(including sublease space), current and expected future demand for the space,
the impact of other client's expansion rights and general economic factors.

Our core strategy has always been to develop, acquire and manage high-quality
properties in supply-constrained markets with high barriers-to-entry and
attractive demand drivers, and to focus on executing long-term leases with
financially strong clients. Historically, these factors have minimized our
exposure in weaker economic cycles and enhanced revenues as market conditions
improve. Our client base is diverse across market sectors and
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the weighted-average lease term for our in-place leases, excluding residential
units, was approximately 7.9 years, as of March 31, 2022, including leases
signed by our unconsolidated joint ventures. The weighted-average lease term for
our 20 largest clients, based on leased square footage, was approximately 11.2
years as of March 31, 2022.

To be successful in any leasing environment, we believe we must consider all
aspects of the client-landlord relationship. In this regard, we believe that our
competitive leasing advantage is based on the following attributes:

•our understanding of our client's short- and long-term space utilization and amenity needs in the local markets;

•our track record of developing and operating Class A office properties in a sustainable and responsible manner;

•our reputation as a premier developer, owner and manager of primarily Class A office properties;

•our financial strength and our ability to maintain high building standards; and

•our relationships with local brokers.

Outlook



Just as the Omicron variant's impact on the economy began to slowly dissipate,
geopolitical tensions in Eastern Europe increased uncertainty during the first
quarter of 2022. Inflation, at generational highs, has caused food and energy
prices to spike, thereby reducing consumer's purchasing power and elevating the
risks of an economic slowdown. At the same time, the labor market remains
historically tight and companies continue to look to add employees, pushing
unemployment lower.

As business conditions become more competitive due to rising interest rates,
slowing economic growth, and changes in the labor markets, business leaders will
likely feel the need to bring their employees together on a much more consistent
basis and modify their return to office policies. We believe as employees return
to their offices in greater numbers, our strategically located, high-quality
office and well-amenitized properties will remain a vital component of the
strategies of today's forward-thinking organizations that prioritize fostering
collaboration, innovation, productivity and culture. We expect companies will
look to take advantage of the availability of Class A space and upgrade.

Despite the concerns surrounding COVID-19 variants, geopolitical tensions, and
the potential impact on economic conditions, we remain optimistic for our
industry generally and BXP in particular, given the demand for workers across
sectors, the high quality of our properties, and the success of our development
efforts.

We remain focused on the following priorities, which we believe are key to increasing future revenue and asset values over the long-term:

•ensuring client health, safety and satisfaction;

•leasing available space in our in-service and development properties, as well as proactively focusing on future lease expirations;

•completing the construction and leasing of our development properties;

•continuing and completing the redevelopment, repositioning, and repurposing for growing life sciences use of several key properties;

•identifying new investment opportunities that meet our criteria while maintaining discipline in our underwriting;

•managing our near-term debt maturities and maintaining our conservative balance sheet; and

•actively managing our operations in a sustainable and responsible manner.

The following is an overview of leasing and investment activity in the first quarter of 2022.

Leasing Activity and Occupancy



In the first quarter of 2022, we signed approximately 1.2 million square feet of
new leases and renewals, which is in line with our 10-year, pre-pandemic average
for leasing for the first quarter. These leases have a weighted-average lease
term of approximately 7.3 years, indicating that many new and existing clients
continue to commit to
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the long-term use of space and view our properties as their preferred choice for a premium Class A office environment.



The overall occupancy of our in-service office and retail properties was 89.1%
at March 31, 2022, an increase of 30 basis points from December 31, 2021. Given
our moderate near-term rollover, the amount of leases signed, but for which
occupancy has not commenced, and the number of leases in negotiation for space
in the in-service portfolio, we expect our occupancy to continue to increase.

Our parking and other revenue was approximately $21.7 million in the first
quarter of 2022, a decrease of approximately $1.4 million, or 6%, from the
fourth quarter of 2021. Our hotel property, the Boston Marriott Cambridge, also
experienced a decrease in revenue of approximately $1.7 million, or 27%, from
the fourth quarter of 2021. We believe both decreases are correlated to the
spike in the Omicron variant throughout the U.S. in the first part of the
quarter that delayed return to office openings and slowed down travel.

Investment Activity



We remain committed to developing and acquiring assets to enhance our long-term
growth and to meet client demand for high-quality office, residential, and life
sciences space. We continually evaluate current and prospective markets for
possible acquisitions of "value-add" assets that require lease-up or
repositioning, and acquisitions that are otherwise consistent with our long-term
strategy of owning, managing, developing, and improving, premier Class A
properties in each of our chosen markets.

Consistent with this strategy, on April 14, 2022, we entered into an agreement
to acquire Madison Centre, a Class A office property in the Seattle, Washington
central business district ("CBD"), for a gross purchase price of $730 million.
This addition to our portfolio furthers our goal to establish a strong platform
for continued growth in the Seattle market. Built in 2017, Madison Centre is
approximately 760,000 square feet, 37 floors, 93% leased and LEED Platinum
certified. The acquisition is expected to close in the second quarter of this
year and will be initially funded with a one-year, $730 million term loan. We
anticipate ultimately funding the acquisition through incremental asset sales,
which we anticipate would be structured as like-kind exchanges or joint venture
equity.

In the first quarter of 2022, we commenced two new development projects:



•the redevelopment of 651 Gateway in South San Francisco, California, an office
building that will be converted to approximately 327,000 net rentable square
feet of life sciences space and that is owned by a joint venture in which we
have a 50% interest; and

•the development of the first phase of Platform 16 in San Jose, California, a
Class A office project that is owned by a joint venture in which we have a 55%
interest. The first phase is an approximately 390,000 net rentable square foot
Class A creative office building. When all phases are complete, Platform 16 is
expected to include approximately 1.1 million net rentable square feet.

As of March 31, 2022, our development/redevelopment pipeline consists of 11
properties that, when completed, we expect will total approximately 4.1 million
net rentable square feet. Our share of the estimated total cost for these
projects is approximately $2.9 billion, of which approximately $1.2 billion
remained to be invested. The total development pipeline, inclusive of both
office and lab/life sciences developments, but excluding the View Boston
Observatory at The Prudential Center, is 54% pre-leased as of April 29, 2022.
The office development projects, which total approximately 2.8 million square
feet, are approximately 57% pre-leased as of April 29, 2022, to predominately
credit-strong clients with long-lease terms.

Supply-chain concerns and inflationary pressures continue to negatively impact
our business and have been exacerbated by the war in Ukraine and the ongoing
Omicron outbreak in China. Impacts on our business include increased time to
complete construction projects and increased costs. Our construction schedule is
one of the elements we consider when we evaluate bids for development projects
and capital improvements. We have been successful in awarding bids and
maintaining schedules through the pandemic. However, there are fewer choices for
materials, and we continue to work closely with our consultants and contractors
to ensure there are not items used in the development or redevelopment process
that are not available or could, directly or indirectly, cause delays. We are
intentionally minimizing the amount of materials we acquire from foreign
suppliers, releasing material packages as early as possible and, when
appropriate, purchasing materials in advance and storing them off-site. We
currently expect to deliver all active developments and redevelopments on time
and budget. However, we may experience greater costs and/or necessary materials
may not be available, which could delay the completion of our development
projects. A failure to deliver a project on time could expose us to additional
costs, in time or penalties (including lease termination rights), under leases
signed for the project.
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As we continue to focus on new investments to drive future growth, we
continually review our portfolio to identify properties as potential sales
candidates that either no longer fit within our portfolio strategy or could
attract premium pricing in the current market. On March 31, 2022, we completed
the sale of 195 West Street, an approximately 63,500 square foot office building
in Waltham, Massachusetts, for a gross sales price of $37.7 million and net cash
proceeds of approximately $35.4 million. We expect to sell an aggregate of $700
million to $900 million of assets in 2022.

A brief overview of each of our markets follows.

Boston



During the first quarter of 2022, we signed approximately 351,000 square feet of
leases and approximately 369,000 square feet of leases commenced in the Boston
region. Approximately 191,000 square feet of the leases that commenced had been
vacant for less than one year and represent an increase in net rental
obligations of approximately 8% over the prior leases.

Our Boston CBD in-service portfolio was approximately 94% leased as of March 31, 2022.



Our approximately 2.0 million square foot in-service office portfolio in
Cambridge was approximately 99% leased as of March 31, 2022. In April of 2022,
we signed an approximately 570,000 square foot lease with AstraZeneca to lease
the entirety of the first phase of the future life sciences development at 290
Binney Street. This future development site is located in the heart of Kendall
Square and, when all phases are complete, will be comprised of approximately 1.1
million square feet of life sciences space and a 400,000 square foot residential
building. This lease is subject to various conditions, some of which are not
within our control. If the conditions are not satisfied for a reason other than
BXP's non-performance, then BXP may terminate the lease. There can be no
assurance the conditions will be satisfied or that we will commence the
development on the terms and schedule currently contemplated or at all.

Waltham and the area surrounding the Route 128-Mass Turnpike interchange
continue to be a popular submarket of Boston for leading and emerging companies
in the life sciences, biotechnology and technology sectors. Our Route 128-Mass
Turnpike portfolio is comprised of approximately 4.8 million square feet and was
approximately 85% leased as of March 31, 2022.

Los Angeles



Our Los Angeles ("LA") in-service portfolio of approximately 2.3 million square
feet is currently focused in West LA and includes Colorado Center, a 1.1 million
square foot property of which we own 50%, and Santa Monica Business Park, a
21-building, approximately 1.2 million square foot property of which we own 55%.
As of March 31, 2022, our LA in-service properties were approximately 88%
leased.

New York



During the first quarter of 2022, we executed approximately 434,000 square feet
of leases in the New York region and approximately 267,000 square feet of leases
commenced. Approximately 214,000 square feet of the 267,000 square feet of
leases that commenced in the first quarter had been vacant for less than one
year and they represent a decrease in net rental obligations of approximately
20% over the prior leases. The decrease is primarily driven by a short-term
lease extension completed in 2021, which allowed our client time to consider its
long-term plans. In April 2022, we were successful in retaining this client with
a lease extension to 2040. The most significant transaction completed in the
first quarter of 2022 was an approximately 330,000 square foot extension and
expansion at 601 Lexington Avenue in New York City. This lease involved the
client expanding into a vacant floor as well as floors that are expiring in the
second half of 2022. As of March 31, 2022, our New York CBD in-service portfolio
was approximately 90% leased.

San Francisco

During the first quarter of 2022, we executed approximately 199,000 square feet
of leases and approximately 182,000 square feet of leases commenced in the San
Francisco region. Approximately 139,000 square feet of the 182,000 square feet
of leases that commenced had been vacant for less than one year and represent an
increase in net rental obligations of approximately 8% over the prior leases.

Our San Francisco CBD in-service properties were approximately 91% leased as of March 31, 2022.


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In South San Francisco, our Gateway Commons joint venture continues to be productive. We executed approximately 45,000 square feet of leasing at 601 and 611 Gateway and commenced the redevelopment of 651 Gateway.

Seattle

Safeco Plaza, our initial entry into the Seattle market, was 87.7% leased as of
March 31, 2022. The strength of the Seattle market, as evidenced by our
experience with lease proposals at Safeco Plaza, affirmed our reasons for
entering the market and gave us confidence to move forward with our plan to grow
this region. As a result, we signed an agreement to acquire Madison Centre, one
of the highest quality office buildings in the Seattle CBD, for a gross purchase
price of $730 million. This addition to our portfolio will create a strong
platform for continued growth in the Seattle market. Built in 2017, Madison
Centre is approximately 760,000 square feet, 37 floors, 93% leased and LEED
Platinum certified.

Washington, DC



During the first quarter of 2022, we executed approximately 183,000 square feet
of leases and approximately 709,000 square feet of leases commenced in the
Washington, DC region, including approximately 411,000 square feet at Reston
Next. Leases for approximately 110,000 square feet of the 709,000 square feet of
leases that commenced had been vacant for less than one year and represent a
decrease in net rental obligations of approximately 2% over the prior leases.
Our Washington, DC CBD in-service properties were approximately 85% leased as of
March 31, 2022.

Our Reston, Virginia properties were approximately 94% leased as of March 31,
2022. During the first quarter of 2022, activity in Reston was concentrated on
partial floor deals. Large client activity has been slow in early 2022.

Leasing Statistics

The table below details the leasing activity, including 100% of the unconsolidated joint ventures, that commenced during the three months ended March 31, 2022:



                                                                                      Three months ended March
                                                                                              31, 2022
                                                                                           (Square Feet)
Vacant space available at the beginning of the period                                              5,340,029
Property dispositions/properties taken out of service (1)                                            (95,180)

Properties placed (and partially placed) in-service (2)                                              410,690
Leases expiring or terminated during the period                                                    1,097,803
Total space available for lease                                                                    6,753,342
1st generation leases                                                                                552,730
2nd generation leases with new tenants                                                               687,656
2nd generation lease renewals                                                                        369,418
Total space leased (3)                                                                             1,609,804
Vacant space available for lease at the end of the period                                          5,143,538

Leases executed during the period, in square feet (4)                                              1,179,592

Second generation leasing information: (5)
Leases commencing during the period, in square feet                                                1,057,074
Weighted Average Lease Term                                                                           71 Months
Weighted Average Free Rent Period                                                                      135 Days
Total Transaction Costs Per Square Foot (6)                                                           $54.99
Increase (Decrease) in Gross Rents (7)                                                                 (2.36) %
Increase (Decrease) in Net Rents (8)                                                                   (4.34) %


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__________________


(1)Total square feet of property dispositions during the three months ended
March 31, 2022 consists of 95,180 square feet at 651 Gateway.
(2)Total square feet of properties placed (and partially placed) in-service
during the three months ended March 31, 2022 consists of 410,690 square feet at
Reston Next.
(3)Represents leases for which lease revenue recognition has commenced in
accordance with GAAP during the three months ended March 31, 2022.
(4)Represents leases executed during the three months ended March 31, 2022 for
which we either (1) commenced lease revenue recognition in such period or (2)
will commence lease revenue recognition in subsequent periods, in accordance
with GAAP, and includes leases at properties currently under development. The
total square feet of leases executed and recognized during the three months
ended March 31, 2022 is 321,917.
(5)Second generation leases are defined as leases for space that had previously
been leased by us. Of the 1,057,074 square feet of second generation leases that
commenced during the three months ended March 31, 2022, leases for 735,157
square feet were signed in prior periods.
(6)Total transaction costs include tenant improvements and leasing commissions
but exclude free rent concessions and other inducements in accordance with GAAP.
(7)Represents the decrease in gross rent (base rent plus expense reimbursements)
on the new versus expired leases on the 734,025 square feet of second generation
leases that had been occupied within the prior 12 months for the three months
ended March 31, 2022; excludes leases that management considers temporary
because the tenant is not expected to occupy the space on a long-term basis.
(8)Represents the decrease in net rent (gross rent less operating expenses) on
the new versus expired leases on the 734,025 square feet of second generation
leases that had been occupied within the prior 12 months for the three months
ended March 31, 2022.

Transactions during the three months ended March 31, 2022 included the following:

Disposition



•On March 31, 2022, we completed the sale of 195 West Street located in Waltham,
Massachusetts for a gross sale price of $37.7 million. Net cash proceeds totaled
approximately $35.4 million, resulting in a gain on sale of real estate totaling
approximately $22.7 million for BXP and approximately $23.4 million for BPLP.
195 West Street is an approximately 63,500 net rentable square foot Class A
office property.

Unconsolidated joint venture activities



•On January 18, 2022, a joint venture in which we have a 50% interest commenced
the redevelopment of 651 Gateway located in South San Francisco, California. 651
Gateway is an office building that will be converted to approximately 327,000
net rentable square feet of life sciences space.

•On February 2, 2022, a joint venture in which we have a 55% interest commenced
the development of the first phase of Platform 16, a Class A office project
located in San Jose, California, that is expected to contain approximately
1.1 million net rentable square feet upon completion. The first phase of the
development project will include the construction of an approximately 390,000
net rentable square foot Class A creative office building and a below-grade
parking garage.

•On March 28, 2022, a joint venture in which we have a 20% interest refinanced
with a new lender the secured debt collateralized by its Metropolitan Square
property located in Washington, DC. At the time of the refinancing, the loan had
an outstanding balance of approximately $294.1 million, bore interest at a
variable rate equal to (1) the greater of (x) LIBOR or (y) 0.65%, plus (2) 4.75%
per annum and was scheduled to mature on July 7, 2022, with two, one-year
extension options, subject to certain conditions. In conjunction with the
refinancing, the joint venture settled its interest rate cap agreement, entered
into in 2020, to limit its exposure to increases in the LIBOR rate. There was no
prepayment penalty associated with the prepayment of the previous mortgage loan.
The joint venture recognized a loss from early extinguishment of debt totaling
approximately $1.3 million due to the write-off of unamortized deferred
financing costs. The new mortgage and mezzanine loans have an aggregate
principal balance of $420.0 million, bear interest at a weighted average
variable rate equal to the Secured Overnight Financing Rate ("SOFR") plus 2.75%
per annum and mature on April 9, 2024, with three, one-year extension options,
subject to certain conditions. The joint venture distributed excess loan
proceeds from the new mortgage and mezzanine loans totaling approximately $100.5
million, of which our share totaled approximately $20.1 million. Metropolitan
Square is an office property with approximately 657,000 net rentable square feet
located in Washington, DC.
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Transactions completed subsequent to March 31, 2022 included the following:



•On April 7, 2022, we executed an agreement to assign our right to acquire 11251
Roger Bacon Drive in Reston, Virginia to a third party for an assignment fee of
approximately $6.9 million. 11251 Roger Bacon Drive is an approximately 65,000
square foot office building situated on approximately 2.6 acres (See Note 3).

•On April 14, 2022, we entered into an agreement to acquire Madison Centre in
Seattle, Washington for a gross purchase price of $730.0 million. Pursuant to
the agreement, we made a $50.0 million non-refundable deposit that will be
credited towards the purchase price at closing. Madison Centre is an
approximately 760,000 square foot, 37-story Class A office building. The
acquisition is subject to customary closing conditions, and there can be no
assurance that this acquisition will occur on the terms currently contemplated
or at all.

•On April 18, 2022, a joint venture in which we have a 50% ownership interest
extended the construction loan collateralized by its Hub50House property. At the
time of the extension, the outstanding balance of the loan totaled approximately
$176.5 million and the loan bore interest at a variable rate equal to LIBOR plus
2.00% per annum and was scheduled to mature on April 19, 2022. The extended loan
matures on June 19, 2022. Hub50House is a residential property that consists of
approximately 320,000 net rentable square feet and 440 residential units located
in Boston, Massachusetts.

•On April 27, 2022, we entered into a lease agreement with AstraZeneca to lease
approximately 570,000 square feet at our 290 Binney Street future development
project. 290 Binney Street is part of the initial phase of a future life
sciences development project located in the heart of Kendall Square in
Cambridge, Massachusetts. The full project will consist of two buildings
aggregating approximately 1.1 million rentable square feet of life sciences
space and an approximately 400,000 square foot residential building. The lease
and commencement of construction are subject to various conditions, some of
which are not within our control. There can be no assurance that the conditions
will be satisfied or that we will commence the development on the terms and
schedule currently contemplated or at all.

Critical Accounting Estimates



Management's Discussion and Analysis of Financial Condition and Results of
Operations discuss our Consolidated Financial Statements, which have been
prepared in accordance with generally accepted accounting principles ("GAAP").
The preparation of these financial -statements in conformity with GAAP requires
management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and the disclosure of contingent liabilities at the date
of the financial statements and the reported amounts of revenue and expenses
during the reporting period. Actual results may differ from those estimates and
assumptions.

Our Annual Report on Form 10-K for the year ended December 31, 2021 contains a
discussion of our critical accounting estimates. There have been no significant
changes in our critical accounting estimates since the year ended December 31,
2021.

Results of Operations for the Three Months Ended March 31, 2022 and 2021



Net income attributable to Boston Properties, Inc. common shareholders and net
income attributable to Boston Properties Limited Partnership common unitholders
increased approximately $51.4 million and $56.1 million for the three months
ended March 31, 2022 compared to 2021, respectively, as detailed in the
following tables and for the reasons discussed below under the heading
"Comparison of the three months ended March 31, 2022 to the three months ended
March 31, 2021" within "Item 2-Management's Discussion and Analysis of Financial
Condition and Results of Operations."

The following are reconciliations of Net Income Attributable to Boston Properties, Inc. Common Shareholders to Net Operating Income and Net Income Attributable to Boston Properties Limited Partnership Common Unitholders to Net Operating Income for the three months ended March 31, 2022 and 2021. For a detailed discussion of Net Operating Income ("NOI"), including the reasons management believes NOI is useful to investors, see page 45.


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BXP

                                                                                 Three months ended March 31,
                                                                                                 Increase/                  %
                                                            2022                2021             (Decrease)               Change
                                                                                        (in thousands)
Net Income Attributable to Boston Properties,
Inc. Common Shareholders                                $  143,047          $  91,624          $    51,423                    56.12  %
Preferred stock redemption charge                                -              6,412               (6,412)                 (100.00) %
Preferred dividends                                              -              2,560               (2,560)                 (100.00) %
Net Income Attributable to Boston Properties,
Inc.                                                       143,047            100,596               42,451                    42.20  %
Net Income Attributable to Noncontrolling
Interests:
Noncontrolling interest-common units of the
Operating Partnership                                       16,361             11,084                5,277                    47.61  %
Noncontrolling interests in property partnerships           17,549             16,467                1,082                     6.57  %
Net Income                                                 176,957            128,147               48,810                    38.09  %
Other Expenses:
Add:
Interest expense                                           101,228            107,902               (6,674)                   (6.19) %
Losses from early extinguishment of debt                         -                898                 (898)                 (100.00) %

Other Income:
Less:
Gains (losses) from investments in securities               (2,262)             1,659               (3,921)                 (236.35) %
Interest and other income (loss)                             1,228              1,168                   60                     5.14  %
Gains on sales of real estate                               22,701                  -               22,701                   100.00  %
Income from unconsolidated joint ventures                    2,189              5,225               (3,036)                  (58.11) %
Other Expenses:
Add:
Depreciation and amortization expense                      177,624            176,565                1,059                     0.60  %
Transaction costs                                                -                331                 (331)                 (100.00) %
Payroll and related costs from management
services contracts                                           4,065              3,505                  560                    15.98  %
General and administrative expense                          43,194             44,959               (1,765)                   (3.93) %
Other Revenue:
Less:
Direct reimbursements of payroll and related
costs from management services contracts                     4,065              3,505                  560                    15.98  %
Development and management services revenue                  5,831              6,803                 (972)                  (14.29) %
Net Operating Income                                    $  469,316          $ 443,947          $    25,369                     5.71  %


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BPLP
                                                                                 Three months ended March 31,
                                                                                                 Increase/                  %
                                                            2022                2021             (Decrease)               Change
                                                                                        (in thousands)
Net Income Attributable to Boston Properties
Limited Partnership Common Unitholders                  $  161,829          $ 105,773          $    56,056                    53.00  %
Preferred unit redemption charge                                 -              6,412               (6,412)                 (100.00) %
Preferred distributions                                          -              2,560               (2,560)                 (100.00) %
Net Income Attributable to Boston Properties
Limited Partnership                                        161,829            114,745               47,084                    41.03  %
Net Income Attributable to Noncontrolling
Interests:
Noncontrolling interests in property partnerships           17,549             16,467                1,082                     6.57  %
Net Income                                                 179,378            131,212               48,166                    36.71  %
Other Expenses:
Add:
Interest expense                                           101,228            107,902               (6,674)                   (6.19) %
Losses from early extinguishment of debt                         -                898                 (898)                 (100.00) %

Other Income:
Less:
Gains (losses) from investments in securities               (2,262)             1,659               (3,921)                 (236.35) %
Interest and other income (loss)                             1,228              1,168                   60                     5.14  %
Gains on sales of real estate                               23,384                  -               23,384                   100.00  %
Income from unconsolidated joint ventures                    2,189              5,225               (3,036)                  (58.11) %
Other Expenses:
Add:
Depreciation and amortization expense                      175,886            173,500                2,386                     1.38  %
Transaction costs                                                -                331                 (331)                 (100.00) %
Payroll and related costs from management
services contracts                                           4,065              3,505                  560                    15.98  %
General and administrative expense                          43,194             44,959               (1,765)                   (3.93) %
Other Revenue:
Less:
Direct reimbursements of payroll and related
costs from management services contracts                     4,065              3,505                  560                    15.98  %
Development and management services revenue                  5,831              6,803                 (972)                  (14.29) %
Net Operating Income                                    $  469,316          $ 443,947          $    25,369                     5.71  %


At March 31, 2022 and 2021, we owned or had joint venture interests in a
portfolio of 201 and 196 commercial real estate properties, respectively (in
each case, the "Total Property Portfolio"). As a result of changes within our
Total Property Portfolio, the financial data presented below shows significant
changes in revenue and expenses from period-to-period. Accordingly, we do not
believe that our period-to-period financial data with respect to the Total
Property Portfolio is meaningful. Therefore, the comparison of operating results
for the three months ended March 31, 2022 and 2021 show separately the changes
attributable to the properties that were owned by us and in-service throughout
each period compared (the "Same Property Portfolio") and the changes
attributable to the properties included in the Acquired, Placed In-Service,
Development or Redevelopment or Sold Portfolios.

In our analysis of operating results, particularly to make comparisons of net
operating income between periods meaningful, it is important to provide
information for properties that were in-service and owned by us throughout each
period presented. We refer to properties acquired or placed in-service prior to
the beginning of the earliest period presented and owned by us and in-service
through the end of the latest period presented as our Same Property Portfolio.
The Same Property Portfolio therefore excludes properties acquired, placed
in-service or in development or redevelopment after the beginning of the
earliest period presented or disposed of prior to the end of the latest period
presented.
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NOI is a non-GAAP financial measure equal to net income attributable to Boston
Properties, Inc. common shareholders and net income attributable to Boston
Properties Limited Partnership common unitholders, as applicable, the most
directly comparable GAAP financial measures, plus (1) preferred stock/unit
redemption charge, preferred dividends/distributions, net income attributable to
noncontrolling interests, interest expense, losses from early extinguishment of
debt, depreciation and amortization expense, transaction costs, payroll and
related costs from management services contracts and corporate general and
administrative expense less (2) gains (losses) from investments in securities,
interest and other income (loss), gains on sales of real estate, income from
unconsolidated joint ventures, direct reimbursements of payroll and related
costs from management services contracts and development and management services
revenue. We use NOI internally as a performance measure and believe it provides
useful information to investors regarding our results of operations and
financial condition because, when compared across periods, it reflects the
impact on operations from trends in occupancy rates, rental rates, operating
costs and acquisition and development activity on an unleveraged basis,
providing perspective not immediately apparent from net income attributable to
Boston Properties, Inc. common shareholders and net income attributable to
Boston Properties Limited Partnership common unitholders. For example, interest
expense is not necessarily linked to the operating performance of a real estate
asset and is often incurred at the corporate level as opposed to the property
level. Similarly, interest expense may be incurred at the property level even
though the financing proceeds may be used at the corporate level (e.g., used for
other investment activity). In addition, depreciation and amortization expense,
because of historical cost accounting and useful life estimates, may distort
operating performance measures at the property level. NOI presented by us may
not be comparable to NOI reported by other REITs or real estate companies that
define NOI differently.

We believe that, in order to facilitate a clear understanding of our operating
results, NOI should be examined in conjunction with net income attributable to
Boston Properties, Inc. common shareholders and net income attributable to
Boston Properties Limited Partnership common unitholders as presented in our
Consolidated Financial Statements. NOI should not be considered as a substitute
for net income attributable to Boston Properties, Inc. common shareholders or
net income attributable to Boston Properties Limited Partnership common
unitholders (determined in accordance with GAAP) or any other GAAP financial
measures and should only be considered together with and as a supplement to our
financial information prepared in accordance with GAAP.

The gains on sales of real estate, depreciation expense and impairment losses
may differ between BXP and BPLP as a result of previously applied acquisition
accounting by BXP for the issuance of common stock in connection with
non-sponsor OP Unit redemptions by BPLP. This accounting resulted in a step-up
of the real estate assets at BXP that was allocated to certain properties. The
difference between the real estate assets of BXP as compared to BPLP for certain
properties having an allocation of the real estate step-up will result in a
corresponding difference in gains on sales of real estate, depreciation expense
and impairment losses, when those properties are sold. For additional
information see the Explanatory Note that follows the cover page of this
Quarterly Report on Form 10-Q.

Comparison of the three months ended March 31, 2022 to the three months ended March 31, 2021



The table below shows selected operating information for the Same Property
Portfolio and the Total Property Portfolio. The Same Property Portfolio consists
of 140 properties totaling approximately 39.6 million net rentable square feet,
excluding unconsolidated joint ventures. The Same Property Portfolio includes
properties acquired or placed in-service on or prior to January 1, 2021 and
owned and in-service through March 31, 2022. The Total Property Portfolio
includes the effects of the other properties either acquired, placed in-service,
in development or redevelopment after January 1, 2021 or disposed of on or prior
to March 31, 2022. This table includes a reconciliation from the Same Property
Portfolio to the Total Property Portfolio by also providing information for the
three months ended March 31, 2022 and 2021 with respect to the properties that
were acquired, placed in-service, in development or redevelopment or sold.


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                                                                                                                                                                                            Properties in
                                                                                                                                                          Properties                        Development or
                                                                                                                    Properties                        Placed In-Service                     Redevelopment
                                                  Same Property Portfolio                                       Acquired Portfolio                        Portfolio                           Portfolio                    Properties Sold Portfolio                                    Total Property Portfolio
                                                                  Increase/                %                                                                                                                                                                                                           Increase/                 %
                              2022               2021             (Decrease)            Change                 2022               2021              2022               2021             2022              2021               2022                2021              2022               2021             (Decrease)             Change
                                                                                                                                                                      (dollars in thousands)
Rental Revenue: (1)
Lease Revenue (Excluding
Termination Income)       $ 684,774          $ 661,858          $    22,916                3.46  %       $       3,291          $    -          $   14,560          $ 4,171          $   -             $ 2,771          $       

749 $ 3,743 $ 703,374 $ 672,543 $ 30,831

                  4.58  %
Termination Income            2,078              4,269               (2,191)             (51.32) %                   -               -                   -                -              -                   -                     -                -              2,078              4,269               (2,191)               (51.32) %
Lease Revenue               686,852            666,127               20,725                3.11  %               3,291               -              14,560            4,171              -               2,771                   749            3,743            705,452            676,812               28,640                  4.23  %
Parking and Other            21,436             16,762                4,674               27.88  %                   -               -                   -                6              -                   -                     -                -             21,436             16,768                4,668                 27.84  %
Total Rental Revenue (1)    708,288            682,889               25,399                3.72  %               3,291               -              14,560            4,177              -               2,771                   749            3,743            726,888            693,580               33,308                  4.80  %
Real Estate Operating
Expenses                    258,619            247,844               10,775                4.35  %                 717               -               4,245            1,089              -               1,126                   242            1,203            263,823            251,262               12,561                  5.00  %

Net Operating Income,
Excluding Residential and
Hotel                       449,669            435,045               14,624                3.36  %               2,574               -              10,315            3,088              -               1,645                   507            2,540            463,065            442,318               20,747                  4.69  %
Residential Net Operating
Income (2)                    6,534              3,048                3,486              114.37  %                   -               -                   -                -              -                   -                     -                -              6,534              3,048                3,486                114.37  %
Hotel Net Operating Loss
(2)                            (283)            (1,419)               1,136               80.06  %                   -               -                   -                -              -                   -                     -                -               (283)            (1,419)               1,136                 80.06  %

Net Operating Income $ 455,920 $ 436,674 $ 19,246


               4.41  %       $       2,574          $    -          $   10,315          $ 3,088          $   -             $ 1,645          $        507          $ 2,540          $ 469,316          $ 443,947          $    25,369                  5.71  %

_______________


(1)Rental Revenue is equal to Revenue less Development and Management Services
Revenue and Direct Reimbursements of Payroll and Related Costs from Management
Services Revenue per the Consolidated Statements of Operations, excluding the
residential and hotel revenue that is noted below. We use Rental Revenue
internally as a performance measure and in calculating other non-GAAP financial
measures (e.g., NOI), which provides investors with information regarding our
performance that is not immediately apparent from the comparable non-GAAP
measures and allows investors to compare operating performance between periods.
(2)For a detailed discussion of NOI, including the reasons management believes
NOI is useful to investors, see page 45. Residential Net Operating Income for
the three months ended March 31, 2022 and 2021 is comprised of Residential
Revenue of $12,966 and $9,175 less Residential Expenses of $6,432 and $6,127,
respectively. Hotel Net Operating Loss for the three months ended March 31, 2022
and 2021 is comprised of Hotel Revenue of $4,557 and $632 less Hotel Expenses of
$4,840 and $2,051, respectively, per the Consolidated Statements of Operations.
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Same Property Portfolio

Lease Revenue (Excluding Termination Income)



Lease revenue (excluding termination income) from the Same Property Portfolio
increased by approximately $22.9 million for the three months ended March 31,
2022 compared to 2021. The increase was a result of our average revenue per
square foot increasing by approximately $2.96, contributing approximately $25.7
million, partially offset by an approximately $2.8 million decrease due to our
average occupancy decreasing from 91.5% to 91.1%.

Termination Income

Termination income decreased by approximately $2.2 million for the three months ended March 31, 2022 compared to 2021.



Termination income for the three months ended March 31, 2022 related to ten
tenants across the Same Property Portfolio and totaled approximately $1.5
million, which was primarily related to tenants that terminated leases early in
San Francisco. In addition, we received a distribution from our unsecured credit
claim against Lehman Brothers, Inc. of approximately $0.6 million.

Termination income for the three months ended March 31, 2021 related to 11 tenants across the Same Property Portfolio and totaled approximately $4.3 million, of which $3.7 million was related to a retail tenant in the Boston region that closed all of its retail stores.

Parking and Other Revenue



Parking and other revenue increased by approximately $4.7 million for the three
months ended March 31, 2022 compared to 2021. Parking revenue increased by
approximately $6.2 million and was partially offset by a decrease in other
revenue of approximately $1.5 million. The increase in parking revenue was
primarily due to an increase in transient and monthly parking. The decrease in
other revenue was due to a decrease in insurance proceeds received during the
three months ended March 31, 2022 compared to 2021.

Real Estate Operating Expenses



Real estate operating expenses from the Same Property Portfolio increased by
approximately $10.8 million, or 4.3%, for the three months ended March 31, 2022
compared to 2021, due primarily to an increase of approximately $15.1 million,
or 16.2%, in operating expenses, including cleaning, utilities, repairs and
maintenance, and roads/grounds/security, and other real estate operating
expenses of $1.7 million, or 7.9%, partially offset by a decrease in real estate
taxes of approximately $6.0 million, or 4.5%. The increase in operating expenses
is driven by an increase in physical tenant occupancy. The decrease in real
estate taxes was primarily in New York City.

Properties Acquired Portfolio



The table below lists the properties acquired between January 1, 2021 and March
31, 2022. Rental revenue and real estate operating expenses increased by
approximately $3.3 million and $0.7 million, respectively, for the three months
ended March 31, 2022 compared to 2021, as detailed below.

                                                                                             Rental Revenue                          Real Estate Operating Expenses
          Name                    Date acquired            Square Feet            2022            2021           Change            2022            2021          Change
                                                                                                                 (dollars in thousands)
153 & 211 Second Avenue        June 2, 2021                136,882             $ 2,555          $   -          $ 2,555          $   297          $   -          $  297
Shady Grove Innovation
District                       August 2, 2021              232,278                 736              -              736              420              -             420
                                                           369,160             $ 3,291          $   -          $ 3,291          $   717          $   -          $  717

Properties Placed In-Service Portfolio



The table below lists the properties that were placed in-service or partially
placed in-service between January 1, 2021 and March 31, 2022. Rental revenue and
real estate operating expenses from our Properties Placed In-Service Portfolio
increased by approximately $10.4 million and $3.2 million, respectively, for the
three months ended March 31, 2022 compared to 2021, as detailed below.
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                        Quarter Initially                                                                                           Rental Revenue                                Real Estate Operating Expenses
     Name               Placed In-Service            Quarter Fully Placed In-Service           Square Feet             2022              2021            Change               2022               2021            Change
                                                                                                                                                           (dollars in thousands)
One Five Nine
East 53rd
Street (1)            First Quarter, 2021          First Quarter, 2021                          220,000             $  4,487          $ 2,676          $  1,811          $       945          $   719          $   226
200 West Street
(2)                   Fourth Quarter, 2020         Fourth Quarter, 2021                         273,365                3,183            1,501             1,682                1,186              370              816
Reston Next           Fourth Quarter, 2021         N/A                                        1,062,000                6,890                -             6,890                2,114                -            2,114
                                                                                              1,555,365             $ 14,560          $ 4,177          $ 10,383          $     4,245          $ 1,089          $ 3,156


_______________

(1)This is the low-rise portion of 601 Lexington Avenue. (2)Includes 138,444 square feet of redevelopment that was fully placed in-service in December 2021.

Properties in Development or Redevelopment Portfolio



The table below lists the properties that were in development or redevelopment
between January 1, 2021 and March 31, 2022. Rental revenue and real estate
operating expenses from our Properties in Development or Redevelopment Portfolio
decreased by approximately $2.8 million and $1.1 million, respectively, for the
three months ended March 31, 2022 compared to 2021, as detailed below.

                                                                                            Rental Revenue                             Real Estate Operating Expenses
                               Date Commenced
                               Development /
        Name                   Redevelopment             Square Feet           2022             2021            Change            2022             2021            Change
                                                                                                                 (dollars in thousands)
325 Main Street (1)         May 9, 2019                  115,000             $    -          $     -          $      -          $    -          $    17          $    (17)
880 Winter Street (2)       February 25, 2021            224,000                  -            1,335            (1,335)              -              758              (758)
3625-3635 Peterson
Way (3)                     April 16, 2021               218,000                  -            1,436            (1,436)              -              351              (351)
                                                         557,000             $    -          $ 2,771          $ (2,771)         $    -          $ 1,126          $ (1,126)


_______________
(1)Real estate operating expenses for the three months ended March 31, 2021 were
related to demolition costs.
(2)On February 25, 2021, we commenced the redevelopment and conversion of 880
Winter Street, a 224,000 square foot office property located in Waltham,
Massachusetts, to laboratory space.
(3)On April 16, 2021, we removed 3625-3635 Peterson Way, located in Santa Clara,
California, from our in-service portfolio. We demolished the building and expect
to redevelop the site at a future date.

Properties Sold Portfolio



The table below lists the properties we sold between January 1, 2021 and March
31, 2022. Rental revenue and real estate operating expenses from our Properties
Sold Portfolio decreased by approximately $3.0 million and $1.0 million,
respectively, for the three months ended March 31, 2022 compared to 2021, as
detailed below.

                                                                                                              Rental Revenue                           

Real Estate Operating Expenses


     Name                   Date Sold                Property Type          Square Feet           2022            2021            Change             2022              2021            Change
                                                                                                                                     (dollars in thousands)
181, 191 and
201 Spring
Street                October 25, 2021             Office                   333,000             $   -          $ 3,743          $ (3,743)         $      -          $ 1,074          $ (1,074)
195 West Street       March 31, 2022               Office                    63,500               749                -               749               242              129               113
                                                                            396,500             $ 749          $ 3,743          $ (2,994)         $    242          $ 1,203          $   (961)

Residential Net Operating Income

Net operating income for our residential same properties increased by approximately $3.5 million for the three months ended March 31, 2022 compared to 2021.

The following reflects our occupancy and rate information for our residential same properties for the three months ended March 31, 2022 and 2021.


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                                                                              Average Rental Rate Per Occupied Square
                                   Average Monthly Rental Rate (1)                             Foot                              Average Physical Occupancy (2)                  Average Economic Occupancy (3)
          Name                     2022        2021       Change (%)              2022       2021       Change (%)              2022        2021        Change (%)              2022        2021        Change (%)
Proto Kendall Square           $   2,743    $ 2,585              6.1  %       $    5.04    $ 4.78              5.4  %            93.6  %     90.4  %           3.5  %            93.1  %     88.8  %           4.8  %
The Lofts at Atlantic
Wharf                          $   3,933    $ 3,474             13.2  %       $    4.36    $ 3.99              9.3  %            96.1  %     87.6  %           9.7  %            95.6  %     84.0  %          13.8  %
The Avant at Reston Town
Center                         $   2,340    $ 2,287              2.3  %       $    2.55    $ 2.51              1.6  %            94.2  %     91.4  %           3.1  %            94.0  %     90.2  %           4.2  %
Signature at Reston            $   2,580    $ 2,265             13.9  %       $    2.66    $ 2.36             12.7  %            94.2  %     80.1  %          17.6  %            93.5  %     75.6  %          23.7  %
The Skylyne                    $   3,342    $ 2,953             13.2  %       $    4.03    $ 3.55             13.5  %            71.5  %     15.8  %         352.5  %            68.6  %      9.1  %         653.8  %


_______________
(1)Average Monthly Rental Rate is calculated as the average of the quotients
obtained by dividing (A) rental revenue as determined in accordance with GAAP,
by (B) the number of occupied units for each month within the applicable fiscal
period.
(2)Average Physical Occupancy is defined as (1) the average number of occupied
units divided by (2) the total number of units, expressed as a percentage.
(3)Average Economic Occupancy is defined as (1) total possible revenue less
vacancy loss divided by (2) total possible revenue, expressed as a percentage.
Total possible revenue is determined by valuing average occupied units at
contract rates and average vacant units at Market Rents. Vacancy loss is
determined by valuing vacant units at current Market Rents. By measuring vacant
units at their Market Rents, Average Economic Occupancy takes into account the
fact that units of different sizes and locations within a residential property
have different economic impacts on a residential property's total possible gross
revenue. Market Rents used by us in calculating Economic Occupancy are based on
the current market rates set by the managers of our residential properties based
on their experience in renting their residential property's units and publicly
available market data. Actual market rents and trends in such rents for a region
as reported by others may vary materially from Market Rents used by us. Market
Rents for a period are based on the average Market Rents during that period and
do not reflect any impact for cash concessions.

Hotel Net Operating Loss

The Boston Marriott Cambridge hotel property continues to operate at a loss,
however, the net operating loss decreased by approximately $1.1 million for the
three months ended March 31, 2022 compared to 2021.

The decreased demand for and occupancy of the Boston Marriott Cambridge hotel
have had, and are expected to continue to have, a material adverse effect on its
operations. We expect hotel occupancy to remain low until the demand for
business and leisure travel returns to historical levels.

The following reflects our occupancy and rate information for the Boston
Marriott Cambridge hotel for the three months ended March 31, 2022 and 2021.

                           2022           2021         Change (%)
Occupancy                   40.4  %        10.9  %        270.6  %
Average daily rate      $ 266.10       $ 123.11           116.1  %
REVPAR                  $  91.38       $  13.43           580.4  %

Other Operating Revenue and Expense Items

Development and Management Services Revenue



Development and management services revenue decreased by approximately $1.0
million for the three months ended March 31, 2022 compared to 2021. Development
services revenue and management services revenue decreased by approximately $0.9
million and $0.1 million, respectively. The decrease in development services
revenue was primarily related to a decrease in development fees. The decrease in
management services revenue was primarily related to a decrease in leasing
commissions earned from a third-party owned building in the Washington, DC
region, partially offset by an increase in asset management fees earned from an
unconsolidated joint venture in Seattle.

General and Administrative Expense

General and administrative expense decreased by approximately $1.8 million for the three months ended March 31, 2022 compared to 2021 primarily due to a decrease in compensation expense of approximately $3.6


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million, partially offset by an increase of approximately $1.8 million in other
general and administrative expenses. The decrease in compensation expense
primarily related to an approximately $4.0 million decrease in the value of our
deferred compensation plan. The increase in other general and administrative
expenses primarily related to an increase in professional fees.

Wages directly related to the development of rental properties are capitalized
and included in real estate assets on our Consolidated Balance Sheets and
amortized over the useful lives of the applicable asset or lease term.
Capitalized wages for the three months ended March 31, 2022 and 2021 were
approximately $4.0 million and $3.3 million, respectively. These costs are not
included in the general and administrative expenses discussed above.

Transaction Costs



Transaction costs decreased by approximately $0.3 million for the three months
ended March 31, 2022 compared to 2021 due primarily to joint venture formation
costs that occurred during the three months ended March 31, 2021. In general,
transaction costs relating to the formation of new and pending joint ventures
and the pursuit of other transactions are expensed as incurred.

Depreciation and Amortization Expense



Depreciation expense may differ between BXP and BPLP as a result of previously
applied acquisition accounting by BXP for the issuance of common stock in
connection with non-sponsor OP Unit redemptions by BPLP.  This accounting
resulted in a step-up of the real estate assets at BXP that was allocated to
certain properties.  The difference between the real estate assets of BXP as
compared to BPLP for certain properties having an allocation of the real estate
step-up will result in a corresponding difference in depreciation expense. For
additional information see the Explanatory Note that follows the cover page of
this Quarterly Report on Form 10-Q.

BXP

Depreciation and amortization expense increased by approximately $1.1 million for the three months ended March 31, 2022 compared to 2021, as detailed below.



                                                             Depreciation 

and Amortization for the three months


                                                                               ended March 31,
Portfolio                                                         2022                2021             Change
                                                                               (in thousands)
Same Property Portfolio                                      $   167,681          $ 168,430          $   (749)
Properties Acquired Portfolio                                      4,079                  -             4,079
Properties Placed In-Service Portfolio                             5,759              1,472             4,287
Properties in Development or Redevelopment Portfolio                   -              5,692            (5,692)
Properties Sold Portfolio                                            105                971              (866)
                                                             $   177,624          $ 176,565          $  1,059


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BPLP

Depreciation and amortization expense increased by approximately $2.4 million for the three months ended March 31, 2022 compared to 2021, as detailed below.



                                                             Depreciation 

and Amortization for the three months


                                                                               ended March 31,
Portfolio                                                         2022                2021             Change
                                                                               (in thousands)
Same Property Portfolio                                      $   165,943          $ 165,365          $    578
Properties Acquired Portfolio                                      4,079                  -             4,079
Properties Placed In-Service Portfolio                             5,759              1,472             4,287
Properties in Development or Redevelopment Portfolio                   -              5,692            (5,692)
Properties Sold Portfolio                                            105                971              (866)
                                                             $   175,886          $ 173,500          $  2,386

Direct Reimbursements of Payroll and Related Costs From Management Services Contracts and Payroll and Related Costs From Management Service Contracts



We have determined that amounts reimbursed for payroll and related costs
received from third parties in connection with management services contracts
should be reflected on a gross basis instead of on a net basis as we have
determined that we are the principal under these arrangements. We anticipate
that these two financial statement line items will generally offset each other.

Other Income and Expense Items

Income from Unconsolidated Joint Ventures



For the three months ended March 31, 2022 compared to 2021, income from
unconsolidated joint ventures decreased by approximately $3.0 million due to a
$10.3 million gain on sale of investment from the sale of our Annapolis Junction
joint venture during the three months ended March 31, 2021. This decrease was
partially offset by an approximately $6.9 million increase in net income from
placing in-service (1) 7750 Wisconsin Avenue (Marriott International
Headquarters) in Bethesda, Maryland, (2) 100 Causeway Street in Boston,
Massachusetts and (3) increased leasing at the Hub50House residential property
in Boston, Massachusetts.

Gains on Sales of Real Estate



Gains on sales of real estate may differ between BXP and BPLP as a result of
previously applied acquisition accounting by BXP for the issuance of common
stock in connection with non-sponsor OP Unit redemptions by BPLP. This
accounting resulted in a step-up of the real estate assets at BXP that was
allocated to certain properties. The difference between the real estate assets
of BXP as compared to BPLP for certain properties having an allocation of the
real estate step-up will result in a corresponding difference in the gains on
sales of real estate when those properties are sold. For additional information,
see the Explanatory Note that follows the cover page of this Quarterly Report on
Form 10-Q.

BXP

Gains on sales of real estate increased by approximately $22.7 million for the
three months ended March 31, 2022 compared to 2021. During the three months
ended March 31, 2022, we recognized a gain of approximately $22.7 million
related to the sale of 195 West Street in Waltham, Massachusetts (See Note 3 to
the Consolidated Financial Statements).

BPLP



Gains on sales of real estate increased by approximately $23.4 million for the
three months ended March 31, 2022 compared to 2021. During the three months
ended March 31, 2022, we recognized a gain of approximately $23.4 million
related to the sale of 195 West Street in Waltham, Massachusetts (See Note 3 to
the Consolidated Financial Statements).
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Interest and Other Income (Loss)



Interest and other income (loss) increased by approximately $0.1 million for the
three months ended March 31, 2022 compared to 2021, due to an approximately $0.1
million decrease in the allowance for current expected credit losses, which
results in higher income.

Gains (Losses) from Investments in Securities



Gains (losses) from investments in securities for the three months ended March
31, 2022 and 2021 related to investments that we have made to reduce our market
risk relating to deferred compensation plans that we maintain for BXP's officers
and former non-employee directors. Under the deferred compensation plans, each
officer or non-employee director who is eligible to participate is permitted to
defer a portion of the officer's current income or the non-employee director's
compensation on a pre-tax basis and receive a tax-deferred return on these
deferrals based on the performance of specific investments selected by the
officer or non-employee director. In order to reduce our market risk relating to
these plans, we typically acquire, in a separate account that is not restricted
as to its use, similar or identical investments as those selected by each
officer or non-employee director. This enables us to generally match our
liabilities to BXP's officers or former non-employee directors under our
deferred compensation plans with equivalent assets and thereby limit our market
risk. The performance of these investments is recorded as gains (losses) from
investments in securities. During the three months ended March 31, 2022 and
2021, we recognized gains (losses) of approximately $(2.3) million and $1.7
million, respectively, on these investments. By comparison, our general and
administrative expense increased (decreased) by approximately $(2.3) million and
$1.7 million during the three months ended March 31, 2022 and 2021,
respectively, as a result of increases (decreases) in our liability under our
deferred compensation plans that was associated with the performance of the
specific investments selected by officers and former non-employee directors of
BXP participating in the plans.

Losses From Early Extinguishment of Debt



On February 14, 2021, BPLP completed the redemption of $850.0 million in
aggregate principal amount of its 4.125% senior notes due May 15, 2021. The
redemption price was approximately $858.7 million, which was equal to the stated
principal plus approximately $8.7 million of accrued and unpaid interest to, but
not including, the redemption date. Excluding the accrued and unpaid interest,
the redemption price was equal to the principal amount being redeemed. We
recognized a loss from early extinguishment of debt totaling approximately
$0.4 million related to unamortized origination costs.

On March 16, 2021, BPLP repaid $500.0 million, representing all amounts outstanding on its delayed draw term loan facility ("Delayed Draw Facility") under our prior unsecured revolving credit agreement (the "2017 Credit Facility"). We recognized a loss from early extinguishment of debt totaling approximately $0.5 million related to unamortized financing costs.

Interest Expense

Interest expense decreased by approximately $6.7 million for the three months ended March 31, 2022 compared to 2021, as detailed below.


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                                                                                Change in interest
                                                                               expense for the three
                                                                              months ended March 31,
                                                                                 2022 compared to
Component                                                                         March 31, 2021
                                                                                  (in thousands)
Increases to interest expense due to:
Issuance of $850 million in aggregate principal of 2.450% senior notes
due 2033 on September 29, 2021                                               $                5,212

Issuance of $850 million in aggregate principal of 2.550% senior notes due 2032 on March 16, 2021

                                                                    4,577
Total increases to interest expense                                                           9,789

Decreases to interest expense due to: Redemption of $1.0 billion in aggregate principal of 3.85% senior notes due 2023 on October 15, 2021

                                                           (9,683)

Redemption of $850 million in aggregate principal of 4.125% senior notes due 2021 on February 14, 2021

                                                          (4,279)
Increase in capitalized interest related to development projects                             (1,685)

Decrease in interest rates for the unsecured credit facilities and the repayment of the unsecured term loan on March 16, 2021

                                         (565)
Other interest expense (excluding senior notes)                                                (251)
Total decreases to interest expense                                                         (16,463)
Total change in interest expense                                             $               (6,674)


Interest expense directly related to the development of rental properties is
capitalized and included in real estate assets on our Consolidated Balance
Sheets and amortized over the useful lives of the real estate or lease term. As
portions of properties are placed in-service, we cease capitalizing interest on
that portion and interest is then expensed. Interest capitalized for the three
months ended March 31, 2022 and 2021 was approximately $13.7 million and $12.0
million, respectively. These costs are not included in the interest expense
referenced above.

At March 31, 2022, our outstanding variable rate debt consisted of BPLP's $1.5
billion unsecured credit facility (the "Revolving Facility"). The Revolving
Facility had $255 million outstanding as of March 31, 2022. For a summary of our
consolidated debt as of March 31, 2022 and March 31, 2021 refer to the heading
"Liquidity and Capital Resources-Debt Financing" within "Item 2-Management's
Discussion and Analysis of Financial Condition and Results of Operations."

Noncontrolling Interests in Property Partnerships

Noncontrolling interests in property partnerships increased by approximately $1.1 million for the three months ended March 31, 2022 compared to 2021, as detailed below.



                                                       Noncontrolling 

Interests in Property Partnerships for


                                                                 the three months ended March 31,
Property                                                    2022                 2021              Change
                                                                          (in thousands)
767 Fifth Avenue (the General Motors Building)         $      3,037          $   2,295          $     742
Times Square Tower                                            5,300              4,901                399
601 Lexington Avenue (1)                                      2,279              3,752             (1,473)
100 Federal Street                                            3,163              3,349               (186)
Atlantic Wharf Office Building (2)                            3,770              2,170              1,600
                                                       $     17,549          $  16,467          $   1,082


_______________
(1)The decrease was primarily attributable to a decrease in lease revenue from
our tenants.
(2)The increase was primarily attributable to an increase in lease revenue from
our tenants.
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Noncontrolling Interest-Common Units of the Operating Partnership



For BXP, noncontrolling interest-common units of the Operating Partnership
increased by approximately $5.3 million for the three months ended March 31,
2022 compared to 2021 due primarily to an increase in allocable income, which
was partially the result of recognizing a greater gain on sales of real estate
during 2022. Due to our ownership structure, there is no corresponding line item
on BPLP's financial statements.

Preferred Stock/Unit Redemption Charge



On March 2, 2021, BXP issued a redemption notice for 80,000 shares of its 5.25%
Series B Cumulative Redeemable Preferred Stock (the "Series B Preferred Stock"),
which constituted all of the outstanding Series B Preferred Stock, and the
corresponding depositary shares, each representing 1/100th of a share of Series
B Preferred Stock. The redemption price per share of Series B Preferred Stock
was $2,500, plus all accrued and unpaid dividends to, but not including, the
redemption date, totaling $2,516.41 per share. On March 31, 2021, we transferred
the full redemption price for all outstanding shares of Series B Preferred
Stock, including accrued and unpaid dividends to, but not including, the
redemption date, to the redemption agent. The excess of the redemption price
over the carrying value of the Series B Preferred Stock and Series B Preferred
Units of approximately $6.4 million relates to the original issuance costs and
is reflected as a reduction to Net Income Attributable to Boston Properties,
Inc. common shareholders and Net Income Attributable to Boston Properties
Limited Partnership common unitholders on the Consolidated Income Statement.

Liquidity and Capital Resources

General

Our principal liquidity needs for the next twelve months and beyond are to:

•fund normal recurring expenses;

•meet debt service and principal repayment obligations, including balloon payments on maturing debt;

•fund development and redevelopment costs;

•fund capital expenditures, including major renovations, tenant improvements and leasing costs;

•fund pending and possible acquisitions of properties, either directly or indirectly through the acquisition of equity interests therein; and

•make the minimum distribution required to enable BXP to maintain its REIT qualification under the Internal Revenue Code of 1986, as amended.

We expect to satisfy these needs using one or more of the following:

•cash flow from operations;

•distribution of cash flows from joint ventures;

•cash and cash equivalent balances;

•borrowings under BPLP's Revolving Facility, unsecured term loans, short-term bridge facilities and construction loans;

•long-term secured and unsecured indebtedness (including unsecured exchangeable indebtedness);



•sales of real estate;

•private equity sources through our Strategic Capital Program ("SCP") with large institutional investors; and

•issuances of BXP equity securities and/or preferred or common units of partnership interests in BPLP.



We draw on multiple financing sources to fund our long-term capital needs. We
expect to fund our current development/redevelopment properties primarily with
our available cash balances, construction loans and BPLP's Revolving Facility.
We use BPLP's Revolving Facility primarily as a bridge facility to fund
acquisition opportunities, refinance outstanding indebtedness and meet
short-term development and working capital needs. Although we may seek to fund
our development projects with construction loans, which may require guarantees
by BPLP, the financing for each particular project ultimately depends on several
factors, including, among others, the project's size and duration, the extent of
pre-leasing and our available cash and access to cost effective capital at the
given time.
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The following table presents information on properties under construction and redevelopment as of March 31, 2022 (dollars in thousands):



                                                                                                                                                                                                                                   Financings
                                                                                                                                                                                               Estimated Total                             Outstanding at          Estimated Future
                                                                                                                                                                         Investment to            Investment              Total            March 31, 2022         Equity Requirement       Percentage Leased
     Construction Properties               Estimated Stabilization Date                   Location                 # of Buildings          Estimated Square Feet         Date (1)(2)(3)             (1)(2)            Available (1)              (1)                  (1)(2)(4)                   (5)
Office
325 Main Street                          Third Quarter, 2022                     Cambridge, MA                            1                      420,000                $     328,547          $     418,400          $        -          $            -          $        89,853                      90  %
Reston Next                              Fourth Quarter, 2023                    Reston, VA                               2                    1,062,000                      538,075                715,300                   -                       -                  177,225                      87  % (6)
2100 Pennsylvania Avenue                 Third Quarter, 2024                     Washington, DC                           1                      480,000                      252,049                356,100                   -                       -                  104,051                      61  %
360 Park Avenue South (42%
ownership)                               First Quarter, 2025                     New York, NY                             1                      450,000                      195,333                219,000              92,774                  85,588                   16,481                       -  % (7)
Platform 16 Building A (55%
ownership)                               Fourth Quarter, 2026                    San Jose, CA                             1                      389,500                       65,199                231,900                   -                       -                  166,701                       -  % (8)
Total Office Properties under Construction                                                                                6                    2,801,500                    1,379,203              1,940,700              92,774                  85,588                  554,311                      57  %

Lab/Life Sciences
880 Winter Street (Redevelopment)        First Quarter, 2023                     Waltham, MA                              1                      244,000                       47,522                108,000                   -                       -                   60,478                      85  %
751 Gateway (49% ownership)              Second Quarter, 2024                    South San Francisco, CA                  1                      231,000                       55,892                127,600                   -                       -                   71,708                     100  %
103 CityPoint                            Third Quarter, 2024                     Waltham, MA                              1                      113,000                       16,156                115,100                   -                       -                   98,944                       -  %
180 CityPoint                            Fourth Quarter, 2024                    Waltham, MA                              1                      329,000                       66,272                274,700                   -                       -                  208,428                      43  %
651 Gateway (50% ownership)              Fourth Quarter, 2025                    South San Francisco, CA                  1                      327,000                        5,227                146,500                   -                       -                  141,273                       -  %
Total Lab/Life Sciences Properties under Construction                                                                     5                    1,244,000                      191,069                771,900                   -                       -                  580,831                      47  %

Other
View Boston Observatory at The
Prudential Center (Redevelopment)        N/A                                     Boston, MA                               -                       59,000                       81,617                182,300                   -                       -                  100,683                        N/A (9)
Total Properties under Construction                                                                                      11                    4,104,500                $   1,651,889          $   2,894,900          $   92,774          $       85,588          $     1,235,825                      54  % (10)


___________
(1)Represents our share.
(2)Each of Investment to Date, Estimated Total Investment and Estimated Future
Equity Requirement includes our share of acquisition expenses, as applicable,
and reflect our share of the estimated net revenue/expenses that we expect to
incur prior to stabilization of the project, including any amounts actually
received or paid through March 31, 2022.
(3)Includes approximately $92.8 million of unpaid but accrued construction costs
and leasing commissions.
(4)Excludes approximately $92.8 million of unpaid but accrued construction costs
and leasing commissions.
(5)Represents percentage leased as of April 29, 2022, including leases with
future commencement dates.
(6)The property was 67% placed in-service as of March 31, 2022.
(7)Investment to Date includes all related costs incurred prior to the
contribution of the property by us to the joint venture on December 15, 2021
totaling approximately $107 million and our proportionate share of the loan. Our
joint venture partners will fund required capital until their aggregate
investment is approximately 58% of all capital contributions; thereafter, the
joint venture partners will fund required capital according to their percentage
interests.
(8)Estimated total investment represents the costs to complete Building A, a
389,500 square foot building, and Building A's proportionate share of land and
garage costs. In conjunction with the construction of Building A, garage and
site work will be completed for Phase II, which will support approximately
700,000 square feet of development in two office buildings, budgeted to be an
incremental $141 million.

(9)We expect to place this project in-service and open to the public in the
second quarter of 2023.
(10)Percentage leased excludes View Boston Observatory at The Prudential Center
(redevelopment) at 800 Boylston Street - The Prudential Center.
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Lease revenue (which includes recoveries from tenants), other income from
operations, available cash balances, mortgage financings, unsecured indebtedness
and draws on BPLP's Revolving Facility are the principal sources of capital that
we use to fund operating expenses, debt service, maintenance and repositioning
capital expenditures, tenant improvements and the minimum distribution required
to enable BXP to maintain its REIT qualification. We seek to maximize income
from our existing properties by maintaining quality standards for our properties
that promote high occupancy rates and permit increases in rental rates while
reducing tenant turnover and controlling operating expenses. Our sources of
revenue also include third-party fees generated by our property management,
leasing, development and construction businesses, as well as the sale of assets
from time to time. We believe these sources of capital will continue to provide
the funds necessary for our short-term liquidity needs, including our properties
under development and redevelopment. Material adverse changes in one or more
sources of capital, whether due to the impacts of the COVID-19 pandemic or
otherwise, may adversely affect our net cash flows.

We expect our primary uses of capital over the next twelve months will be the
commencement, continuation and completion of our current and committed
development and redevelopment projects, the acquisition of Madison Centre,
servicing the interest payments on our outstanding indebtedness and satisfying
our REIT distribution requirements.

As of March 31, 2022, we had 11 properties under development or redevelopment.
Our share of the remaining development and redevelopment costs that we expect to
fund through 2026 was approximately $1.2 billion. In January 2022, we commenced
the redevelopment of 651 Gateway in South San Francisco, California, a project
in which we own a 50% interest, and in February 2022, we restarted the first
phase of our Platform 16 development project in San Jose, California, a project
in which we own a 55% interest (see Note 5 to the Consolidated Financial
Statements).

In July 2021, we announced the formation of an investment program with two
partners committing a targeted equity investment of $1.0 billion, including $250
million from us. Under this agreement, we will provide these partners, for up to
two years, exclusive first offers to form joint ventures with us to invest in
assets that meet target criteria. All investments are discretionary to each
partner.

The SCP provides us the opportunity to partner with large institutional
investors and capitalize our investment opportunities partially through private
equity. The SCP enhances our access to capital and investment capacity and
further enhances our returns through fee income, and in certain partnerships, a
greater share of income upon achieving certain success criteria. These large
financial partners include some of the world's largest sovereign wealth funds
and pension plans. Our use of the SCP is consistent with our ongoing strategy to
create value through opportunistic investments in high-quality office properties
in markets with the strongest economic growth over time while maintaining a
strong balance sheet and modest leverage.

On April 14, 2022, we entered into an agreement to purchase Madison Centre, an
approximately 760,000 square foot, 37-story Class A office building in Seattle,
Washington for a gross purchase price of $730.0 million. The acquisition is
expected to close in the second quarter of this year and will be initially
funded with a one-year, $730.0 million unsecured term loan. We anticipate
ultimately funding the acquisition through incremental asset sales, which we
anticipate would be structured as like-kind exchanges, or joint venture equity.

We have no debt maturities until September 2023. Our unconsolidated joint
ventures have one loan maturing in 2022, of which our share of the aggregate
outstanding principal is approximately $88.2 million. We are currently in the
market to refinance this maturity with a mortgage debt in an amount equal to or
greater than the current balance. There can be no assurance that we will
complete this refinancing on the terms currently contemplated or at all.

As of April 25, 2022, we had available cash of approximately $313.8 million (of
which approximately $103.8 million is attributable to our consolidated joint
venture partners). Although the future impact of COVID-19 on our liquidity and
capital resources will depend on a wide range of factors, we believe that our
access to capital and our strong liquidity, including the approximately $1.3
billion available under the Revolving Facility and our available cash, as of
April 25, 2022, are sufficient to fund our remaining capital requirements on
existing development and redevelopment projects, fund acquisitions, repay our
maturing indebtedness when due, satisfy our REIT distribution requirements and
still allow us to act opportunistically on attractive investment opportunities.
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We may seek to enhance our liquidity to fund our current and future development
activity, pursue additional attractive investment opportunities and refinance or
repay indebtedness. Depending on interest rates, the overall conditions in the
debt and public and private equity markets, and our leverage at the time, we may
decide to access one or more of these capital sources (including utilization of
BXP's $600.0 million "at the market" equity offering program). Doing so may
result in us carrying additional cash and cash equivalents pending our use of
the proceeds, which could increase our net interest expense or be dilutive to
our earnings, or both.

We have not sold any shares under BXP's $600.0 million "at the market" equity offering program.

REIT Tax Distribution Considerations

Dividend



BXP as a REIT is subject to a number of organizational and operational
requirements, including a requirement that BXP currently distribute at least 90%
of its annual taxable income (excluding capital gains and with certain other
adjustments). Our policy is for BXP to distribute at least 100% of its taxable
income, including capital gains, to avoid paying federal tax. Common and LTIP
unitholders of limited partnership interest in BPLP receive the same total
distribution per unit.

BXP's Board of Directors will continue to evaluate BXP's dividend rate in light
of our actual and projected taxable income (including gains on sales), liquidity
requirements and other circumstances and there can be no assurance that the
future dividends declared by BXP's Board of Directors will not differ materially
from the current quarterly dividend amount.

Sales



To the extent that we sell assets at a gain and cannot efficiently use the
proceeds in a tax deferred manner for either our development activities or
attractive acquisitions, BXP would, at the appropriate time, decide whether it
is better to declare a special dividend, adopt a stock repurchase program,
reduce indebtedness or retain the cash for future investment opportunities. Such
a decision will depend on many factors including, among others, the timing,
availability and terms of development and acquisition opportunities, our
then-current and anticipated leverage, the cost and availability of capital from
other sources, the price of BXP's common stock and REIT distribution
requirements. At a minimum, we expect that BXP would distribute at least that
amount of proceeds necessary for BXP to avoid paying corporate level tax on the
applicable gains realized from any asset sales.

From time to time in select cases, whether due to a change in use, structuring
issues to comply with applicable REIT regulations or other reasons, we may sell
an asset that is held by a taxable REIT subsidiary ("TRS"). Such a sale by a TRS
would be subject to federal and local taxes.

Cash Flow Summary



The following summary discussion of our cash flows is based on the Consolidated
Statements of Cash Flows and is not meant to be an all-inclusive discussion of
the changes in our cash flows for the periods presented below.

Cash and cash equivalents and cash held in escrows aggregated approximately $482.3 million and $949.2 million at March 31, 2022 and 2021, respectively, representing a decrease of approximately $466.8 million. The following table sets forth changes in cash flows:



                                                   Three months ended March 31,
                                                2022            2021          Change
                                                          (in thousands)

Net cash provided by operating activities $ 219,490 $ 152,063 $ 67,427 Net cash used in investing activities (151,335) (242,273)

90,938


Net cash used in financing activities           (86,970)      (679,936)     

592,966




Our principal source of cash flow is related to the operation of our properties.
The weighted-average term of our in-place leases, excluding residential units,
was approximately 7.9 years as of March 31, 2022, including leases signed by our
unconsolidated joint ventures, with occupancy rates historically in the range of
88% to 94%. Generally, our properties generate a relatively consistent stream of
cash flow that provides us with resources to pay operating expenses, debt
service and fund regular quarterly dividend and distribution payment
requirements. In
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addition, over the past several years, we have raised capital through the sale of some of our properties and through secured and unsecured borrowings.



Cash is used in investing activities to fund acquisitions, development, net
investments in unconsolidated joint ventures and maintenance and repositioning
capital expenditures. We selectively invest in new projects that enable us to
take advantage of our development, leasing, financing and property management
skills and invest in existing buildings to enhance or maintain our market
position. Cash used in investing activities for the three months ended March 31,
2022 consisted primarily of development projects, building and tenant
improvements and capital contributions to unconsolidated joint ventures,
partially offset by proceeds from the sales of real estate and distributions
from unconsolidated joint ventures. Cash used in investing activities for the
three months ended March 31, 2021 consisted primarily of development projects,
building and tenant improvements and capital contributions to unconsolidated
joint ventures, partially offset by the proceeds from the sale of investment in
unconsolidated joint ventures, as detailed below:

                                                                           

Three months ended March 31,


                                                                             2022                   2021
                                                                                  (in thousands)
Acquisitions of real estate                                           $        (3,580)         $         -
Construction in progress (1)                                                 (100,313)            (119,496)
Building and other capital improvements                                       (26,811)             (32,717)
Tenant improvements                                                           (55,168)             (93,201)
Proceeds from the sales of real estate (2)                                     35,397                    -
Capital contributions to unconsolidated joint ventures (3)                    (26,293)             (16,684)
Capital distributions from unconsolidated joint ventures (4)                   20,095                  122

Proceeds from sale of investment in unconsolidated joint venture (5)

         -               17,589
Investments in securities, net                                                  5,338                2,114
Net cash used in investing activities                                 $     

(151,335) $ (242,273)

Cash used in investing activities changed primarily due to the following:



(1)Construction in progress for the three months ended March 31, 2022 included
ongoing expenditures associated with Reston Next, which is partially placed
in-service. In addition, we incurred costs associated with our continued
development/redevelopment of 325 Main Street, 2100 Pennsylvania Avenue, 180
CityPoint, View Boston Observatory at The Prudential Center, 880 Winter Street
and 103 CityPoint.

Construction in progress for the three months ended March 31, 2021 included
ongoing expenditures associated with One Five Nine East 53rd Street, which was
completed and fully placed in-service during the three months ended March 31,
2021. In addition, we incurred costs associated with our continued
development/redevelopment of 200 West Street, 325 Main Street, 2100 Pennsylvania
Avenue, Reston Next, 180 CityPoint, View Boston Observatory at The Prudential
Center and 880 Winter Street.

(2)On March 31, 2022, we completed the sale of 195 West Street located in
Waltham, Massachusetts for a gross sale price of $37.7 million. Net cash
proceeds totaled approximately $35.4 million, resulting in a gain on sale of
real estate totaling approximately $22.7 million for BXP and approximately $23.4
million for BPLP. 195 West Street is an approximately 63,500 net rentable square
foot Class A office property.

(3)Capital contributions to unconsolidated joint ventures for the three months
ended March 31, 2022 consisted primarily of cash contributions of approximately
$14.1 million and $7.9 million to our Gateway Commons and Platform 16 joint
ventures, respectively.

Capital contributions to unconsolidated joint ventures for the three months ended March 31, 2021 consisted primarily of cash contributions of approximately $11.4 million to our Santa Monica Business Park joint venture.



(4)Capital distributions from unconsolidated joint ventures for the three months
ended March 31, 2022 consisted primarily of a cash distribution totaling
approximately $20.1 million from our Metropolitan Square joint venture resulting
from the excess proceeds from the refinancing of the mortgage and mezzanine
loans on the property.
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(5)On March 30, 2021, we completed the sale of our 50% ownership interest in
Annapolis Junction NFM LLC to the joint venture partner for a gross sale price
of $65.9 million. Net cash proceeds to us totaled approximately $17.8 million
after repayment of our share of debt totaling approximately $15.1 million.

Cash used in financing activities for the three months ended March 31, 2022 totaled approximately $87.0 million. This amount consisted primarily of the payment of our regular dividends and distributions to our shareholders and unitholders and borrowing under BPLP's Revolving Facility. Future debt payments are discussed below under the heading "Debt Financing."

Capitalization



The following table presents Consolidated Market Capitalization and BXP's Share
of Market Capitalization, as well as the corresponding ratios of Consolidated
Debt to Consolidated Market Capitalization and BXP's Share of Debt to BXP's
Share of Market Capitalization (in thousands except for percentages):

                                                                                       March 31, 2022
                                                           Shares / Units                                          Equivalent Value
                                                            Outstanding            Common Stock Equivalent               (1)
Common Stock                                                  156,712                      156,712                 $  20,184,506
Common Operating Partnership Units                             18,229                       18,229                     2,347,895    (2)
Total Equity                                                                               174,941                 $  22,532,401

Consolidated Debt                                                                                                  $  13,010,124
Add:
BXP's share of unconsolidated joint venture debt
(3)                                                                                                                    1,425,290

Subtract:


Partners' share of Consolidated Debt (4)                                                                              (1,356,905)
BXP's Share of Debt                                                                                                $  13,078,509

Consolidated Market Capitalization                                                                                 $  35,542,525
BXP's Share of Market Capitalization                                                                               $  35,610,910
Consolidated Debt/Consolidated Market
Capitalization                                                                                                             36.60  %
BXP's Share of Debt/BXP's Share of Market
Capitalization                                                                                                             36.73  %


_______________
(1)Values are based on the closing price per share of BXP's Common Stock on the
New York Stock Exchange on March 31, 2022 of $128.80.
(2)Includes long-term incentive plan units (including 2012 OPP Units and 2013 -
2019 MYLTIP Units) but excludes the 2020 - 2022 MYLTIP Units because the
three-year performance periods have not ended.
(3)See page 63 for additional information.
(4)See page 62 for additional information.


Consolidated Debt to Consolidated Market Capitalization Ratio is a measure of
leverage commonly used by analysts in the REIT sector. We present this measure
as a percentage and it is calculated by dividing (A) our consolidated debt by
(B) our consolidated market capitalization, which is the market value of our
outstanding equity securities plus our consolidated debt. Consolidated market
capitalization is the sum of:

(1) our consolidated debt; plus

(2) the product of (x) the closing price per share of BXP Common Stock on March 31, 2022, as reported by the New York Stock Exchange, multiplied by (y) the sum of:

(i) the number of outstanding shares of Common Stock of BXP,

(ii) the number of outstanding OP Units in BPLP (excluding OP Units held by BXP),


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(iii)   the number of OP Units issuable upon conversion of all outstanding LTIP
Units, assuming all conditions have been met for the conversion of the LTIP
Units, and

(iv) the number of OP Units issuable upon conversion of 2012 OPP Units, 2013 - 2019 MYLTIP Units that were issued in the form of LTIP Units.

The calculation of consolidated market capitalization does not include LTIP Units issued in the form of MYLTIP Awards unless and until certain performance thresholds are achieved and they are earned. Because their three-year performance periods have not yet ended, 2020 - 2022 MYLTIP Units are not included in this calculation as of March 31, 2022.



We also present BXP's Share of Market Capitalization and BXP's Share of
Debt/BXP's Share of Market Capitalization, which are calculated in the same
manner, except that BXP's Share of Debt is utilized instead of our consolidated
debt in both the numerator and the denominator. BXP's Share of Debt is defined
as our consolidated debt plus our share of debt from our unconsolidated joint
ventures (calculated based upon our ownership percentage), minus our partners'
share of debt from our consolidated joint ventures (calculated based upon the
partners' percentage ownership interests adjusted for basis differentials).
Management believes that BXP's Share of Debt provides useful information to
investors regarding our financial condition because it includes our share of
debt from unconsolidated joint ventures and excludes our partners' share of debt
from consolidated joint ventures, in each case presented on the same basis. We
have several significant joint ventures and presenting various measures of
financial condition in this manner can help investors better understand our
financial condition and/or results of operations after taking into account our
economic interest in these joint ventures.  We caution investors that the
ownership percentages used in calculating BXP's Share of Debt may not completely
and accurately depict all of the legal and economic implications of holding an
interest in a consolidated or unconsolidated joint venture. For example, in
addition to partners' interests in profits and capital, venture agreements vary
in the allocation of rights regarding decision making (both for routine and
major decisions), distributions, transferability of interests, financing and
guarantees, liquidations and other matters.  Moreover, in some cases we exercise
significant influence over, but do not control, the joint venture in which case
GAAP requires that we account for the joint venture entity using the equity
method of accounting and we do not consolidate it for financial reporting
purposes. In other cases, GAAP requires that we consolidate the venture even
though our partner(s) own(s) a significant percentage interest.  As a result,
management believes that the presentation of BXP's Share of a financial measure
should not be considered a substitute for, and should only be considered with
and as a supplement to our financial information presented in accordance with
GAAP.

We present these supplemental ratios because our degree of leverage could affect
our ability to obtain additional financing for working capital, capital
expenditures, acquisitions, development or other general corporate purposes and
because different investors and lenders consider one or both of these ratios.
Investors should understand that these ratios are, in part, a function of the
market price of the common stock of BXP and as such will fluctuate with changes
in such price, and they do not necessarily reflect our capacity to incur
additional debt to finance our activities or our ability to manage our existing
debt obligations. However, for a company like BXP, whose assets are primarily
income-producing real estate, these ratios may provide investors with an
alternate indication of leverage, so long as they are evaluated along with the
ratio of indebtedness to other measures of asset value used by financial
analysts and other financial ratios, as well as the various components of our
outstanding indebtedness.

For a discussion of our unconsolidated joint venture indebtedness, see
"Liquidity and Capital Resources-Investment in Unconsolidated Joint Ventures -
Secured Debt within "Item 2-Management's Discussion and Analysis of Financial
Condition and Results of Operations" and for a discussion of our consolidated
joint venture indebtedness see "Liquidity and Capital Resources-Mortgage Notes
Payable" within "Item 2-Management's Discussion and Analysis of Financial
Condition and Results of Operations."

Debt Financing



As of March 31, 2022, we had approximately $13.0 billion of outstanding
consolidated indebtedness, representing approximately 36.60% of our Consolidated
Market Capitalization as calculated above consisting of approximately (1) $9.5
billion (net of discount and deferred financing fees) in publicly traded
unsecured senior notes having a GAAP weighted-average interest rate of 3.43% per
annum and maturities in 2023 through 2033, (2) $3.3 billion (net of deferred
financing fees) of property-specific mortgage debt having a GAAP
weighted-average interest rate of 3.42% per annum and a weighted-average term of
6.6 years and (3) $255.0 million outstanding under BPLP's Revolving Facility
that matures on June 15, 2026.
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The table below summarizes the aggregate carrying value of our mortgage notes
payable and BPLP's unsecured senior notes and line of credit, as well as
Consolidated Debt Financing Statistics at March 31, 2022 and March 31, 2021.

                                                                                       March 31,
                                                                              2022                  2021
                                                                                (dollars in thousands)
Debt Summary:
Balance
Fixed rate mortgage notes payable, net                                   $  3,268,745          $  2,904,672
Unsecured senior notes, net                                                 9,486,379             9,631,592
Unsecured line of credit                                                      255,000                     -
Consolidated Debt                                                          13,010,124            12,536,264

Add:


BXP's share of unconsolidated joint venture debt, net (1)                   1,425,290             1,165,872

Subtract:


Partners' share of consolidated mortgage notes payable, net (2)            (1,356,905)           (1,193,260)
BXP's Share of Debt                                                      $ 

13,078,509 $ 12,508,876



                                                                                       March 31,
                                                                              2022                  2021
Consolidated Debt Financing Statistics:
Percent of total debt:
Fixed rate                                                                      98.04  %             100.00  %
Variable rate                                                                    1.96  %                  -  %
Total                                                                          100.00  %             100.00  %
GAAP Weighted-average interest rate at end of period:
Fixed rate                                                                       3.43  %               3.64  %
Variable rate                                                                    1.13  %                  -  %
Total                                                                            3.39  %               3.64  %
Coupon/Stated Weighted-average interest rate at end of period:
Fixed rate                                                                       3.32  %               3.54  %
Variable rate                                                                    1.02  %                  -  %
Total                                                                            3.28  %               3.54  %
Weighted-average maturity at end of period (in years):
Fixed rate                                                                        6.4                   6.0
Variable rate                                                                     4.2                     -
Total                                                                             6.3                   6.0


_______________
(1)See page 63 for additional information.
(2)See page 62 for additional information.

Unsecured Credit Facility



On June 15, 2021, BPLP amended and restated its prior credit facility (as
amended and restated, the "2021 Credit Facility"). The 2021 Credit Facility
provides for borrowings of up to $1.5 billion through the Revolving Facility,
subject to customary conditions. Among other things, the 2021 Credit Facility
(1) extended the maturity date from April 24, 2022 to June 15, 2026, (2)
eliminated the $500.0 million delayed draw facility (3) reduced the per annum
variable interest rates on borrowings and (4) added a sustainability-linked
pricing component. Under the 2021 Credit Facility, BPLP may increase the total
commitment by up to $500.0 million by increasing the amount of the Revolving
Facility and/or by incurring one or more term loans, in each case, subject to
syndication of the increase and other conditions. Based on BPLP's March 31, 2022
credit rating, (1) the applicable Eurocurrency and LIBOR
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Daily Floating Rate margins are 0.775%, (2) the alternate base rate margin is 0 basis points and (3) the facility fee is 0.15% per annum.



At March 31, 2022, BPLP had $255.0 million of borrowings under its Revolving
Facility and outstanding letters of credit totaling approximately $6.3 million,
with the ability to borrow approximately $1.2 billion. At April 25, 2022, BPLP
had $215.0 million of borrowings under its Revolving Facility and outstanding
letters of credit totaling approximately $6.3 million, with the ability to
borrow approximately $1.3 billion.

Unsecured Senior Notes

The following summarizes the unsecured senior notes outstanding as of March 31, 2022 (dollars in thousands):



                                      Coupon/Stated Rate             Effective Rate(1)          Principal Amount                    Maturity 

Date(2)


10.5 Year Unsecured Senior Notes                     3.125  %               

3.279 % $ 500,000 September 1, 2023 10.5 Year Unsecured Senior Notes

                     3.800  %                  3.916  %                 700,000          February 1, 2024
7 Year Unsecured Senior Notes                        3.200  %                  3.350  %                 850,000          January 15, 2025
10 Year Unsecured Senior Notes                       3.650  %                  3.766  %               1,000,000          February 1, 2026
10 Year Unsecured Senior Notes                       2.750  %                  3.495  %               1,000,000          October 1, 2026
10 Year Unsecured Senior Notes                       4.500  %                  4.628  %               1,000,000          December 1, 2028
10 Year Unsecured Senior Notes                       3.400  %                  3.505  %                 850,000          June 21, 2029
10.5 Year Unsecured Senior Notes                     2.900  %                  2.984  %                 700,000          March 15, 2030
10.75 Year Unsecured Senior
Notes                                                3.250  %                  3.343  %               1,250,000          January 30, 2031
11 Year Unsecured Senior Notes                       2.550  %                  2.671  %                 850,000          April 1, 2032
12 Year Unsecured Senior Notes                       2.450  %                  2.524  %                 850,000          October 1, 2033
Total principal                                                                                       9,550,000

Less:


Net unamortized discount                                                                                 15,835
Deferred financing costs, net                                                                            47,786
Total                                                                                         $       9,486,379


_______________

(1)Yield on issuance date including the effects of discounts on the notes, settlements of interest rate contracts and the amortization of financing costs. (2)No principal amounts are due prior to maturity.



The indenture relating to the unsecured senior notes contains certain financial
restrictions and requirements, including (1) a leverage ratio not to exceed 60%,
(2) a secured debt leverage ratio not to exceed 50%, (3) an interest coverage
ratio of greater than 1.50, and (4) an unencumbered asset value of not less than
150% of unsecured debt. At March 31, 2022, BPLP was in compliance with each of
these financial restrictions and requirements.

Mortgage Notes Payable

The following represents the outstanding principal balances due under the mortgage notes payable at March 31, 2022:



                                                                                                                   Deferred                             

Carrying Amount


                                           Stated              GAAP Interest Rate        Stated Principal          Financing                                       (Partners'
Properties                              Interest Rate                  (1)                    Amount              Costs, Net            Carrying Amount              Share)                                   Maturity Date
                                                                                                                       (dollars in thousands)

Consolidated Joint Ventures
767 Fifth Avenue (the General
Motors Building)                                 3.43  %                   3.64  %       $   2,300,000          $    (18,110)         $      2,281,890          $     912,820          (2)(3)(4)          June 9, 2027
601 Lexington Avenue                             2.79  %                   2.93  %           1,000,000               (13,145)                  986,855                444,085          (2)(5)             January 9, 2032

Total                                                                                    $   3,300,000          $    (31,255)         $      3,268,745          $   1,356,905


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_______________
(1)GAAP interest rate differs from the stated interest rate due to the inclusion
of the amortization of financing charges and the effects of hedging transactions
(if any).
(2)The mortgage loan requires interest only payments with a balloon payment due
at maturity.
(3)This property is owned by a consolidated entity in which we have a 60%
interest. The partners' share of the carrying amount has been adjusted for basis
differentials.
(4)In connection with the refinancing of the loan, we guaranteed the
consolidated entity's obligation to fund various reserves for tenant improvement
costs and allowances, leasing commissions and free rent obligations in lieu of
cash deposits. As of March 31, 2022, the maximum funding obligation under the
guarantee was approximately $17.7 million. We earn a fee from the joint venture
for providing the guarantee and have an agreement with our partners to reimburse
the joint venture for their share of any payments made under the guarantee (See
Note 6 to the Consolidated Financial Statements).
(5)This property is owned by a consolidated entity in which we have a 55%
interest.

Investment in Unconsolidated Joint Ventures - Secured Debt



We have investments in unconsolidated joint ventures with our effective
ownership interests ranging from 20% to 55%. Fifteen of these ventures have
mortgage indebtedness. We exercise significant influence over, but do not
control, these entities. As a result, we account for them using the equity
method of accounting. See also Note 5 to the Consolidated Financial Statements.
At March 31, 2022, the aggregate carrying amount of debt, including both our and
our partners' share, incurred by these ventures was approximately $3.4 billion
(of which our proportionate share is approximately $1.4 billion). The table
below summarizes the outstanding debt of these joint venture properties at March
31, 2022. In addition to other guarantees specifically noted in the table, we
have agreed to customary environmental indemnifications and nonrecourse
carve-outs (e.g., guarantees against fraud, misrepresentation and bankruptcy) as
well as the completion of development projects on certain of the loans.

                                                                                                                           Deferred
                                Nominal %               Stated           GAAP Interest        Stated Principal             Financing                                    Carrying Amount
     Properties                 Ownership           Interest Rate           Rate (1)               Amount                 Costs, Net            Carrying Amount           (Our share)                                   Maturity Date
                                                                                                            (dollars in thousands)
Santa Monica Business
Park                                 55.00  %              4.06  %              4.24  %       $     300,000             $     (1,741)         $        298,259          $     164,042          (2)(3)              July 19, 2025
Market Square North                  50.00  %              2.80  %              2.96  %             125,000                     (745)                  124,255                 62,128          (2)(4)              November 10, 2025
1265 Main Street                     50.00  %              3.77  %              3.84  %              36,257                     (271)                   35,986                 17,993                              January 1, 2032
Colorado Center                      50.00  %              3.56  %              3.58  %             550,000                     (550)                  549,450                274,725          (2)                 August 9, 2027
Dock 72                              50.00  %              3.17  %              3.39  %             198,383                     (954)                  197,429                 98,715          (2)(5)              December 18, 2023
The Hub on Causeway -
Podium                               50.00  %              2.49  %              2.65  %             174,329                     (415)                  173,914                 86,957          (2)(6)              September 6, 2023
Hub50House                           50.00  %              2.22  %              2.51  %             176,468                      (42)                  176,426                 88,213          (2)(7)              April 19, 2022
100 Causeway Street                  50.00  %              1.65  %              1.86  %             331,937                   (1,200)                  330,737                165,369          (2)(8)              September 5, 2023
7750 Wisconsin Avenue
(Marriott
International
Headquarters)                        50.00  %              1.38  %              1.93  %             223,574                   (1,508)                  222,066                111,033          (2)(9)              April 26, 2023
360 Park Avenue South                42.21  %              2.64  %              3.09  %             202,960                   (2,708)                  200,252                 84,526          (2)(10)             December 14, 2024
Safeco Plaza                         33.67  %              2.38  %              2.51  %             250,000                   (1,502)                  248,498                 83,669          (2)(11)             September 1, 2026
500 North Capitol
Street, NW                           30.00  %              4.15  %              4.20  %             105,000                      (69)                  104,931                 31,479          (2)                 June 6, 2023
901 New York Avenue                  25.00  %              3.61  %              3.69  %             215,621                     (492)                  215,129                 53,782                              January 5, 2025
3 Hudson Boulevard                   25.00  %              3.68  %              3.76  %              80,000                      (80)                   79,920                 19,980          (2)(12)             July 13, 2023
Metropolitan Square                  20.00  %              3.06  %              3.84  %             420,000                   (6,603)                  413,397                 82,679          (2)(13)             April 9, 2024
Total                                                                                         $   3,389,529             $    (18,880)         $      3,370,649          $   1,425,290

_______________

(1)GAAP interest rate differs from the stated interest rate due to the inclusion of the amortization of financing charges, which includes mortgage recording fees.


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(2)The loan requires interest only payments with a balloon payment due at
maturity.
(3)The loan bears interest at a variable rate equal to LIBOR plus 1.28% per
annum and matures on July 19, 2025. A subsidiary of the joint venture entered
into interest rate swap contracts with notional amounts aggregating $300.0
million through April 1, 2025, resulting in a fixed rate of approximately 4.063%
per annum through the expiration of the interest rate swap contracts.
(4)The loan bears interest at a variable rate equal to (1) the greater of (x)
LIBOR or (y) 0.50%, plus (2) 2.30% per annum and matures on November 10, 2025,
with one, one-year extension option, subject to certain conditions.
(5)The construction financing has a borrowing capacity of $250.0 million. The
construction financing bears interest at a variable rate equal to (1) the
greater of (x) LIBOR or (y) 0.25%, plus (2) 2.85% per annum and matures on
December 18, 2023.
(6)The construction financing had a borrowing capacity of $204.6 million. On
September 16, 2019, the joint venture paid down the construction loan principal
balance in the amount of approximately $28.8 million, reducing the borrowing
capacity to $175.8 million. The construction financing bears interest at a
variable rate equal to LIBOR plus 2.25% per annum and matures on September 6,
2023.
(7)The construction financing has a borrowing capacity of $180.0 million. The
construction financing bears interest at a variable rate equal to LIBOR plus
2.00% per annum and matures on April 19, 2022, with two, one-year extension
options, subject to certain conditions. The maturity date for the loan has been
extended to June 19, 2022 (See Note 12 to the Consolidated Financial
Statements).
(8)The construction financing has a borrowing capacity of $400.0 million. The
construction financing bears interest at a variable rate equal to LIBOR plus
1.50% per annum (LIBOR plus 1.375% per annum upon stabilization, as defined in
the loan agreement) and matures on September 5, 2023, with two, one-year
extension options, subject to certain conditions.
(9)The construction financing has a borrowing capacity of $255.0 million. The
construction financing bears interest at a variable rate equal to LIBOR plus
1.25% per annum and matures on April 26, 2023, with two, one-year extension
options, subject to certain conditions.
(10)The loan bears interest at a variable rate equal to Adjusted Term SOFR plus
2.40% per annum and matures on December 14, 2024, with two, one-year extension
options, subject to certain conditions. The spread on the variable rate may be
reduced, subject to certain conditions.
(11)The loan bears interest at a variable rate equal to the greater of (x) 2.35%
or (y) LIBOR plus 2.20% per annum and matures on September 1, 2026.
(12)We provided $80.0 million of mortgage financing to the joint venture. The
loan bears interest at a variable rate equal to LIBOR plus 3.50% per annum and
matures on July 13, 2023, with extension options, subject to certain conditions.
The loan has been reflected as Related Party Note Receivable, Net on our
Consolidated Balance Sheets. As of March 31, 2022, the loan has approximately
$14.8 million of accrued interest due at the maturity date.
(13)The indebtedness consists of (x) a $305.0 million mortgage loan payable
which bears interest at a variable rate equal to SOFR plus approximately 1.81%
and matures on April 9, 2024 with three, one-year extension options, subject to
certain conditions, and (y) a $115.0 million mezzanine note payable which bears
interest at a variable rate equal to SOFR plus 5.25% and matures on April 9,
2024 with three, one-year extension options, subject to certain conditions.

State and Local Tax Matters



Because BXP is organized and qualifies as a REIT, it is generally not subject to
federal income taxes, but is subject to certain state and local taxes. In the
normal course of business, certain entities through which we own real estate
either have undergone, or are currently undergoing, tax audits or other
inquiries. Although we believe that we have substantial arguments in favor of
our position in the ongoing audits, in some instances there is no controlling
precedent or interpretive guidance on the specific point at issue. Collectively,
tax deficiency notices received to date from the jurisdictions conducting the
ongoing audits have not been material. However, there can be no assurance that
future audits will not occur with increased frequency or that the ultimate
result of such audits will not have a material adverse effect on our results of
operations.

Insurance

For information concerning our insurance program, see Note 6 to the Consolidated Financial Statements.



Funds from Operations

Pursuant to the revised definition of Funds from Operations adopted by the Board
of Governors of the National Association of Real Estate Investment Trusts
("Nareit"), we calculate Funds from Operations, or "FFO," for each of BXP and
BPLP by adjusting net income (loss) attributable to Boston Properties, Inc.
common shareholders and net income (loss) attributable to Boston Properties
Limited Partnership common unitholders (computed in accordance with GAAP),
respectively, for gains (or losses) from sales of properties, impairment losses
on depreciable real estate consolidated on our balance sheet, impairment losses
on our investments in unconsolidated joint ventures
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driven by a measurable decrease in the fair value of depreciable real estate
held by the unconsolidated joint ventures and our share of real estate-related
depreciation and amortization. FFO is a non-GAAP financial measure. We believe
the presentation of FFO, combined with the presentation of required GAAP
financial measures, improves the understanding of operating results of REITs
among the investing public and helps make comparisons of REIT operating results
more meaningful. Management generally considers FFO to be useful measures for
understanding and comparing our operating results because, by excluding gains
and losses related to sales of previously depreciated operating real estate
assets, impairment losses and real estate asset depreciation and amortization
(which can differ across owners of similar assets in similar condition based on
historical cost accounting and useful life estimates), FFO can help investors
compare the operating performance of a company's real estate across reporting
periods and to the operating performance of other companies.

Our computation of FFO may not be comparable to FFO reported by other REITs or
real estate companies that do not define the term in accordance with the current
Nareit definition or that interpret the current Nareit definition differently.
We believe that in order to facilitate a clear understanding of our operating
results, FFO should be examined in conjunction with net income attributable to
Boston Properties, Inc. common shareholders and net income attributable to
Boston Properties Limited Partnership as presented in our Consolidated Financial
Statements. FFO should not be considered as a substitute for net income
attributable to Boston Properties, Inc. common shareholders or net income
attributable to Boston Properties Limited Partnership common unitholders
(determined in accordance with GAAP) or any other GAAP financial measures and
should only be considered together with and as a supplement to our financial
information prepared in accordance with GAAP.
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BXP

The following table presents a reconciliation of net income attributable to Boston Properties, Inc. common shareholders to FFO attributable to Boston Properties, Inc. common shareholders for the three months ended March 31, 2022 and 2021:



                                                                                     Three months ended March 31,
                                                                                        2022                  2021
                                                                                            (in thousands)

Net income attributable to Boston Properties, Inc. common shareholders

$      143,047           $  91,624

Add:


Preferred stock redemption charge                                                             -               6,412
Preferred dividends                                                                           -               2,560

Noncontrolling interest-common units of the Operating Partnership

              16,361              11,084
Noncontrolling interests in property partnerships                                        17,549              16,467
Net income                                                                              176,957             128,147
Add:
Depreciation and amortization                                                           177,624             176,565

Noncontrolling interests in property partnerships' share of depreciation and amortization

                                                                        (17,653)            (16,457)

BXP's share of depreciation and amortization from unconsolidated joint ventures

                                                                                 22,044              18,412
Corporate-related depreciation and amortization                                            (404)               (440)

Less:

Gain on sale of investment included within income from unconsolidated joint ventures

                                                                                -              10,257
Gains on sales of real estate                                                            22,701                   -
Noncontrolling interests in property partnerships                                        17,549              16,467
Preferred dividends                                                                           -               2,560
Preferred stock redemption charge                                                             -               6,412

Funds from Operations (FFO) attributable to the Operating Partnership common unitholders (including Boston Properties, Inc.)

                                  318,318             270,531

Less:

Noncontrolling interest-common units of the Operating Partnership's share of funds from operations

                                                                 32,182              26,728

Funds from Operations attributable to Boston Properties, Inc. common shareholders

$      286,136           $ 243,803
Our percentage share of Funds from Operations-basic                                       89.89   %           90.12  %
Weighted average shares outstanding-basic                                               156,650             155,928


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Reconciliation to Diluted Funds from Operations:



                                                                                        Three months ended March 31,
                                                                           2022                                               2021
                                                             Income                 Shares/Units               Income                Shares/Units
                                                          (Numerator)              (Denominator)             (Numerator)            (Denominator)
                                                                                               (in thousands)
Basic Funds from Operations                            $       318,318                174,276              $    270,531                173,018
Effect of Dilutive Securities:
Stock based compensation                                             -                    354                         -                    171
Diluted Funds from Operations                          $       318,318                174,630              $    270,531                173,189

Less:


Noncontrolling interest-common units of the
Operating Partnership's share of diluted Funds
from Operations                                                 32,118                 17,626                    26,693                 17,090
Diluted Funds from Operations attributable to
Boston Properties, Inc. (1)                            $       286,200                157,004              $    243,838                156,099


 _______________

(1)BXP's share of diluted Funds from Operations was 89.91% and 90.13% for the three months ended March 31, 2022 and 2021, respectively.


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BPLP



The following table presents a reconciliation of net income attributable to
Boston Properties Limited Partnership common unitholders to FFO attributable to
Boston Properties Limited Partnership common unitholders for the three months
ended March 31, 2022 and 2021:

                                                                                       Three months ended March 31,
                                                                                                                               2022               2021
                                                                                                                                   (in thousands)

Net income attributable to Boston Properties Limited Partnership common unitholders

$ 161,829          $ 105,773

Add:


Preferred unit redemption charge                                                                                                   -              6,412
Preferred distributions                                                                                                            -              2,560
Noncontrolling interests in property partnerships                                                                             17,549             16,467
Net income                                                                                                                   179,378            131,212
Add:
Depreciation and amortization                                                                                                175,886            173,500

Noncontrolling interests in property partnerships' share of depreciation and amortization

                                                                                                (17,653)           

(16,457)

BXP's share of depreciation and amortization from unconsolidated joint ventures

                                                                                                                      22,044             18,412
Corporate-related depreciation and amortization                                                                                 (404)              

(440)

Less:

Gain on sale of investment included within income from unconsolidated joint ventures

                                                                                                                     -             10,257
Gains on sales of real estate                                                                                                 23,384                  -
Noncontrolling interests in property partnerships                                                                             17,549             16,467
Preferred distributions                                                                                                            -              2,560
Preferred unit redemption charge                                                                                                   -              6,412

Funds from Operations attributable to Boston Properties Limited Partnership common unitholders (1)

$ 318,318          $ 270,531
Weighted average shares outstanding-basic                                                                                    174,276            173,018


_______________

(1)Our calculation includes OP Units and vested LTIP Units (including vested 2012 OPP Units and vested 2013 - 2019 MYLTIP Units).

Reconciliation to Diluted Funds from Operations:



                                                                                     Three months ended March 31,
                                                                        2022                                               2021
                                                          Income                 Shares/Units               Income                Shares/Units
                                                       (Numerator)              (Denominator)             (Numerator)            (Denominator)
                                                                                            (in thousands)
Basic Funds from Operations                         $       318,318                174,276              $    270,531                173,018
Effect of Dilutive Securities:
Stock based compensation                                          -                    354                         -                    171
Diluted Funds from Operations                       $       318,318                174,630              $    270,531                173,189


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Material Cash Commitments



On April 14, 2022, we entered into an agreement to purchase Madison Centre, an
approximately 760,000 square foot, 37-story Class A office building in Seattle,
Washington for a gross purchase price of $730.0 million. The acquisition is
expected to close in the second quarter of this year and will be initially
funded with a one-year, $730.0 million unsecured term loan. We anticipate
ultimately funding the acquisition through incremental asset sales, which we
anticipate would be structured as like-kind exchanges, or joint venture equity.

We have various service contracts with vendors related to our property
management. In addition, we have certain other contracts we enter into in the
ordinary course of business that may extend beyond one year. These contracts
include terms that provide for cancellation with insignificant or no
cancellation penalties. Contract terms are generally between three and five
years.

During the three months ended March 31, 2022, we paid approximately $70.1 million to fund tenant-related obligations, including tenant improvements and leasing commissions.



In addition, during the three months ended March 31, 2022, we and our
unconsolidated joint venture partners incurred approximately $90.8 million of
new tenant-related obligations associated with approximately 1.2 million square
feet of second generation leases, or approximately $79 per square foot. We
signed approximately 21,000 square feet of first generation leases. The
tenant-related obligations for the development properties are included within
the projects' "Estimated Total Investment" referred to in "Item 2-Management's
Discussion and Analysis of Financial Condition and Results of
Operations-Liquidity and Capital Resources." In aggregate during the first
quarter of 2022, we signed leases for approximately 1.2 million square feet of
space and incurred aggregate tenant-related obligations of approximately $94.9
million, or approximately $80 per square foot.

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