The following discussion and analysis of our financial condition and results of
operations should be read together with our unaudited condensed financial
statements and related notes included elsewhere in this Quarterly Report and our
audited financial statements and the related notes and the discussion under the
heading "Management's Discussion and Analysis of Financial Condition and Results
of Operations" in our Annual Report on Form 10-K for the fiscal year ended
December 31, 2021 filed with the SEC on March 15, 2022 (Annual Report). Some of
the information contained in this discussion and analysis or set forth elsewhere
in this Quarterly Report, including information with respect to our plans and
strategy for our business and related financing, includes forward-looking
statements that involve risks and uncertainties. As a result of many factors,
including those factors set forth in the "Risk Factors" section of this
Quarterly Report, our actual results could differ materially from the results
described in or implied by the forward-looking statements contained in the
following discussion and analysis. You should carefully read the "Risk Factors"
section of this Quarterly Report to gain an understanding of the important
factors that could cause actual results to differ materially from our
forward-looking statements. Please also see the section entitled "Special Note
Regarding Forward-Looking Statements."

Management's Discussion and Analysis of Financial Condition and Results of
Operations (MD&A) is designed to provide material information relevant to an
assessment of our financial condition and results of operations, including an
evaluation of the amounts and certainty of cash flows from operations and from
outside sources. This section is designed to focus on material events and
uncertainties known to management that are reasonably likely to cause reported
financial information not to be necessarily indicative of future operating
results or of future financial condition. This includes descriptions and amounts
of matters that have had a material impact on reported operations, as well as
matters that are reasonably likely based on management's assessment to have a
material impact on future operations.

Overview

Our primary focus is to transform diagnostic testing through innovative molecular diagnostic products that enable customers to deploy accurate, reliable, low cost and rapid molecular testing at the point-of-care for infectious diseases and other conditions.



We are developing the Talis One system which leverages expertise across
chemistry, biology, engineering and software to create a fully integrated,
cloud-enabled and point-of-care molecular diagnostic solution that customers can
rapidly deploy when and where needed. The Talis One system incorporates core
proprietary technologies into a compact, easy-to-use instrument, that employs
single use assay cartridges and software, including a central cloud database,
which are designed to work together to provide levels of testing accuracy
equivalent to a central laboratory. We intend to commercialize the Talis One
system as an integrated solution comprising single use consumables, an
instrument and software. Our commercial strategy will focus on building and
expanding an installed base of Talis One systems to generate revenue from the
purchase of such products.

We initially planned that our first commercial test would be the stand-alone
Talis One COVID-19 assay, which is a rapid point-of-care molecular diagnostic to
detect SARS-CoV-2 directly from a patient sample in less than 30 minutes.
However, due to the declining market demand for polymerase chain reaction (PCR)
COVID-19 tests and increased demand for at-home over the counter antigen
COVID-19 tests in the United States, we suspended our commercial investment in
the stand-alone Talis One COVID-19 assay. We have refocused the Company on the
development and commercialization of women's health and sexually transmitted
infections (STI) tests on the Talis One system, where we believe our on-board
sample preparation capabilities and turnaround time can deliver greater clinical
impact, with plans to develop and launch a panel assay for the detection of
Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Trichomoniasis
vaginalis (TV). In January 2022, in order to generate revenue to support our
operations and sales forces, we began purchasing and distributing third-party
COVID-19 antigen tests (Antigen Tests) as an authorized distributor. We intend
to conclude this program, upon the earlier of (i) selling our limited remaining
Antigen Tests and (ii) the expiration date of the Antigen Tests.

Our products will require marketing authorization from the FDA prior to
commercialization. On November 5, 2021, we received an EUA from the FDA for the
emergency use of the Talis One system for our COVID-19 test, which we refer to
as the Talis One COVID-19 Test System, and on May 12, 2022, we received the CE
Mark authorization for the Talis One COVID-19 Test System under the European
In-Vitro Diagnostic Devices Directive (IVDD). Due to the COVID-19 global
pandemic, we obtained marketing authorization for our Talis One COVID-19 Test
System under an EUA. After assessing current market dynamics, including the lack
of demand for PCR COVID-19 tests in the United States, and the current financial
environment, we suspended commercial investment in the stand-alone Talis One
COVID-19 assay, as we believe the investments required to commercialize in the
United States COVID-19 market outweigh the potential economic return. On August
23, 2022, in response to our withdrawal request filed on August 12, 2022, the
FDA revoked our EUA for the stand-alone Talis One COVID-19 assay, as we no
longer plan to pursue commercialization of the stand-alone Talis One COVID-19
assay in the United States. For our women's health and STI tests, we plan to
pursue 510(k) clearance or other forms of marketing authorization under the
FDA's standard medical device authorities.

We have invested in automated cartridge manufacturing lines, the first of which
began to come on-line in the first quarter of 2021. We are currently validating
the performance of those automated cartridge manufacturing lines which are
located at our contract

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manufacturers' sites and are operated by our contract manufacturing partners.
Based on recent improvements in our manufacturing process, including our ability
to manufacture at scale with acceptable invalid rates and first pass yields, we
have resumed investigational use only (IUO) system evaluations of the Talis One
system in order to gain user experience and feedback on the platform's physical
components, workflow and software. We have also received components to build
5,000 Talis One instruments from our instrument contract manufacturer.

We outsource essentially all of our manufacturing. Design work, prototyping and
pilot manufacturing are performed in-house before outsourcing to third-party
contract manufacturers. Our outsourced production strategy is intended to drive
rapid scalability. Certain of our suppliers of components and materials are
single source suppliers. To support a commercial launch, we have invested in
automated cartridge manufacturing production lines for our Talis One cartridges.
Those assets deemed to have an alternative future use have been capitalized as
property and equipment while those assets determined to not have an alternative
future use have been expensed.

Since our inception in 2013, we have devoted substantially all our efforts to
research and development activities, manufacturing capabilities, raising
capital, building our intellectual property portfolio, providing general and
administrative support for these operations, and more recently, providing
selling support as the need has arisen. We have principally financed our
operations through the issuance and sale of shares of our convertible preferred
stock to outside investors in private equity financings as well as the issuance
of convertible promissory notes and receipts from government grants. Prior to
our initial public offering, we received $351.5 million from investors in our
preferred stock financings and the sale of convertible promissory notes that
converted in such financings. Additionally, on February 17, 2021, we raised
$232.5 million (after deducting underwriting discounts, commissions and offering
expenses) through an initial public offering to finance operations going
forward.

We have incurred recurring losses since our inception, including net losses of
$86.1 million and $163.4 million for the nine months ended September 30, 2022
and 2021, respectively. As of September 30, 2022, we had an accumulated deficit
of $451.0 million. We expect to continue to generate operating losses and
negative operating cash flows for the foreseeable future if and as we:

continue the research and development of our platform and assays for multiple diseases;

initiate clinical trials for, or additional preclinical development of, our Talis One system;

further develop and refine the manufacturing processes for our Talis One system and potentially the design of our Talis One system;

change or add manufacturers or suppliers of materials used for our Talis One system;

seek marketing authorizations;

seek to identify and validate diagnostic assays for additional disease states;

obtain, maintain, protect and enforce our intellectual property portfolio;

re-establish and deploy a sales force;

seek to attract and retain new and existing skilled personnel;


create additional infrastructure to support our operations as a public company
and incur increased legal, accounting, investor relations and other expenses;
and

experience delays or encounter issues with any of the above.



In addition, if we obtain marketing authorization for our platform, we expect to
incur significant commercialization expenses related to product manufacturing,
marketing, sales and distribution. As a result, we will need substantial
additional funding to support our operating activities. Until such time as we
can generate significant revenue from product sales, if ever, we expect to
finance our operating activities through a combination of equity offerings, debt
and grant revenue. Adequate funding may not be available to us on acceptable
terms, or at all.

If we are unable to obtain funding, we will be forced to delay, reduce or
eliminate some or all of our research and development programs, product
portfolio expansion or commercialization efforts, which could adversely affect
our business prospects, or we may be unable to continue operations. Although we
continue to pursue these plans, there is no assurance that we will be successful
in obtaining sufficient funding on terms acceptable to us to fund continuing
operations, if at all.

As of September 30, 2022, we had unrestricted cash and cash equivalents of
$143.8 million. Based on our planned operations, we expect that our unrestricted
cash and cash equivalents of $143.8 million as of September 30, 2022 will be
sufficient to fund our operations through at least the next 12 months from the
date our condensed financial statements are issued. Given our recent reductions
in force and other expense reductions planned this year, we expect to fund
operations into 2025. This target could change as we gain more clarity on the
timing and trajectory of the Talis One system launch. We may need substantial
additional funding to

                                       19
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support our continuing operations and pursue our long-term business plan. We may
seek additional funding through the issuance of our common stock, other equity
or debt financings, or collaborations or partnerships with other companies. The
amount and timing of our future funding requirements will depend on many
factors, including the pace and results of our research efforts for our assays
and development and manufacturing activities. We may not be able to raise
additional capital on terms acceptable to us, or at all. Any failure to raise
capital as and when needed would compromise our ability to execute on our
business plan and may cause us to significantly delay or scale back our
operations.

In August 2022, in connection with our refocus on the women's health and STI
markets, we implemented a reduction in force, of approximately 35% of our
employees, designed to align our remaining resources to focus on (i) developing
women's health and STI assays on the Talis One system, (ii) our internal
manufacturing expertise to support our strategic plans and (iii) reducing costs
and preserving cash to extend our runway to commercialize our women's health and
STI assays. We incurred $1.5 million of expenses related to the reduction in
force during the three months ended September 30, 2022. This is in addition to
$1.0 million of expenses incurred in the first quarter related to the March 2022
reduction in force, substantially all of which consisted of one-time charges
related to the staff reduction, including cash expenditures and other costs.
Going forward, we estimate annualized savings of $12.0 million in compensation
expenses related to this August 2022 reduction in force.

COVID-19 pandemic



Since it was reported to have surfaced in December 2019, a novel strain of
coronavirus (COVID-19) spread across the world and was declared a pandemic by
the World Health Organization. Efforts to contain the spread of COVID-19
intensified in 2020 and 2021 and governments around the world, including in the
United States, Europe and Asia, implemented travel restrictions, social
distancing requirements, stay-at-home orders and delayed the commencement of
non-COVID-19-related clinical trials, among other restrictions. As a result, the
current COVID-19 pandemic has presented a substantial public health and economic
challenge around the world and has been affecting our employees, communities and
business operations, as well as contributing to significant volatility and
negative pressure on the U.S. economy and in financial markets.

The COVID-19 pandemic continues to drive volatility in global economic
conditions as governments around the world implement various measures to slow
and control the ongoing spread of the virus. Resurgences in COVID-19 infections
or new strains of the virus may affect our operations. We continue to evaluate
the potential impact of the COVID-19 pandemic on our current and future business
and operations, including our expenses and clinical trials, as well as on our
industry and the healthcare system.

As a result of the COVID-19 pandemic, or similar pandemics and outbreaks, we have and may in the future experience severe disruptions, including:

interruption of or delays in receiving products and supplies from the third parties we rely on to, among other things, manufacture components of our instruments, due to staffing shortages, production slowdowns or stoppages and disruptions in delivery systems, which may impair our ability to sell our products and consumables;

limitations on our business operations by the local, state, or federal government that could impact our ability to sell or deliver our instruments and consumables;

delays in customers' purchasing decisions and negotiations with customers and potential customers;


business disruptions caused by workplace, laboratory and office closures, travel
limitations, cyber security and data accessibility limits, or communication or
mass transit disruptions; and


limitations on employee resources that would otherwise be focused on the conduct
of our activities, including because of sickness of employees or their families
or the desire of employees to avoid contact with large groups of people.

Components of our results of operations

Revenue



To date, we have not generated any revenue from sales of our Talis One system.
We expect to generate revenue in the future from product sales of our Talis One
instruments and single use cartridges, following regulatory approval. Our
business model is focused on driving the adoption of the Talis One system.
Customers would gain access to our instrument via a direct sales model or a
reagent rental model. Under direct platform sales, our customers would directly
purchase our Talis One instrument and make subsequent independent purchases of
our cartridges. This would include, during our early customer engagements, a
fully paid workflow license to practice the desired workflow(s) in a specific
field of use. In addition, we would also offer platform support to the extent
customers require further system and workflow optimization following platform
implementation. When we place a system under a reagent rental agreement, we plan
to install equipment in the customer's facility without a fee and the customer
agrees to purchase our cartridges at a stated price over the term of the reagent
rental agreement. Some of these agreements could include minimum purchase
commitments. Under a reagent rental model, we plan to retain title to the
equipment and such title is transferred to the customer at the conclusion of

                                       20
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the initial arrangement. The cost of the instrument under the agreement is expected to be recovered in the fees charged for consumables, to the extent sold, over the term of the agreement.



We cannot predict when, or to what extent we will generate revenue from the
commercialization and sale of our system. While we have obtained an EUA for our
Talis One COVID-19 Test System and the CE Mark authorization under the IVDD, the
EUA was revoked in August 2022 by the FDA following our withdrawal request. We
have not generated any revenue from the sales of such system, and we do not
intend to invest in the commercialization of the stand-alone Talis One COVID-19
assay due to current commercial market dynamics for PCR COVID-19 tests in the
United States. We rely, and expect to continue to rely, on third parties for the
manufacture of the Talis One system and our tests, as well as for commercial
supply. Our contract manufacturers may not have the ability to produce quality
product at scale to meet commercial demand which could delay commercialization
efforts. Further, we may not succeed in obtaining regulatory approval for our
women's health and STI products, or any other future assays. Growth and
predictability of recurring revenue is impacted by the timing of
commercialization and expansion of our products. It is our goal and expectation
that recurring revenue will grow over time, both in absolute dollars and as a
percentage of our revenue.

Product revenue, net

In January 2022, we began distributing the Antigen Tests. We currently derive
all of our product revenue from the sales of the Antigen Tests in accordance
with the provisions of Accounting Standards Codifications (ASC), Topic 606,
Revenue from Contracts with Customers. Our product revenue is recognized upon
the transfer of control of our test kits to the customer. We intend to conclude
this program, upon the earlier of (i) selling our limited remaining Antigen
Tests and (ii) the expiration date of the Antigen Tests.

Grant revenue



For the nine months ended September 30, 2022 and 2021, our revenue from
government grants includes a May 2018 grant from the NIH to support our
advancement of a Diagnostics via Rapid Enrichment, Identification, and
Phenotypic Antibiotic Susceptibility Testing of Pathogens from Blood project
(NIH grant), a July 2020 subaward grant from the University of Massachusetts
Medical School for Phase 1 of the NIH's Rapid Acceleration of Diagnostics -
Advanced Technology Platforms (RADx) initiative and a contract from the NIH
directly for Phase 2 of the RADx initiative (NIH Contract).

The NIH Contract for the RADx initiative expired on January 30, 2022. The Company successfully met milestone requirements and recognized $0.7 million of grant revenue during the nine months ended September 30, 2022. There is no additional funding available under the NIH Contract.



Under the NIH grant, we recognized $0.3 million during the nine months ended
September 30, 2022. There is the possibility of an additional $1.0 million in
payments through April 2023.

These grants are not in the scope of the contracts with customers accounting
guidance as the government entities and/or government-sponsored entities are not
customers under the agreements.

Cost of product sold

We began to recognize costs of product sold in January 2022 when we began selling the Antigen Tests. Costs of product sold include material costs, direct labor, provisions for inventory write-downs and shipping and handling costs incurred.

Operating expenses

Research and development expenses



Research and development expenses consist primarily of internal and external
costs incurred for our research activities, the development of our platform,
investment in manufacturing capabilities as well as costs incurred pursuant to
our government grants and include:

salaries, benefits and other related costs, including stock-based compensation expense, for personnel engaged in research and development functions;

the cost of laboratory supplies and developing and manufacturing of our platform;

contract services, other outside costs and costs to develop our technology capabilities;

facility-related expenses, which include direct depreciation costs and allocated expenses for rent and maintenance of facilities and other operating costs;

cost of outside consultants, including their fees and related travel expenses, engaged in research and development functions; and


                                       21
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expenses related to regulatory affairs.



Until future commercialization is considered probable and the future economic
benefit is expected to be realized, we do not capitalize pre-launch inventory
costs and costs of property and equipment prior to completion of marketing
authorization unless the regulatory review process has progressed to a point
that objective and persuasive evidence of regulatory approval is sufficiently
probable, and future economic benefit can be asserted. We record pre-launch
inventory costs to research and development expenses, or if used in marketing
evaluations, record such cost to selling, general and administrative expense. We
record property and equipment costs to research and development expenses when
the asset does not have an alternative future use. A number of factors are taken
into consideration, based on management's judgment, including the current status
in the regulatory approval process, potential impediments to the approval
process, anticipated research and development initiatives and risk of technical
feasibility, viability of commercialization and marketplace trends.

Research and development activities are central to our business model. We
previously focused our research and development efforts on the stand-alone Talis
One COVID-19 assay but have refocused on the development of assays and tests for
women's health and STIs. We expect to continue to incur significant research and
development expenses in the future as we continue the research and development
of our platform and assays for other infectious diseases and disease states,
initiate clinical trials for future tests, further develop and refine the
manufacturing processes for our platform, and continue commercialization
efforts. There are numerous factors associated with the successful
commercialization of any assay we may develop in the future for other diseases
or disease states, including future trial design and various regulatory
requirements, many of which cannot be determined with accuracy at this time
based on our stage of development.

Selling, general and administrative expenses



Selling, general and administrative expenses consist primarily of salaries and
other related costs, including stock-based compensation, for personnel in our
executive, finance, information technology, sales, product management, corporate
and business development and administrative functions. Selling, general and
administrative expenses also include professional fees for legal, patent,
accounting, information technology, auditing, tax and consulting services,
travel expenses and facility-related expenses, which include direct depreciation
expenses and allocated expenses for rent and maintenance of facilities and other
operating expenses.

Other income (expense)

Other income (expense), net consists primarily of interest income on cash
deposits held at financial institutions, gains and losses on holdings invested
in money market funds, and unrealized and realized foreign exchange gains and
losses.

Results of operations

Comparison for the three months ended September 30, 2022 and 2021

The following table summarizes our results of operations:


                                                   Three Months Ended September 30,
(in thousands)                                        2022                   2021             Change
Revenue
Grant revenue                                   $             66       $            218     $     (152 )
Product revenue, net                                         730                      -            730
Total revenue, net                                           796                    218            578
Cost of product sold                                       1,236                      -          1,236
Gross profit (loss)                                         (440 )                  218           (658 )
Operating expenses:
Research and development                                  17,521                 25,841         (8,320 )
Selling, general and administrative                        8,825                 12,792         (3,967 )
Total operating expenses                                  26,346                 38,633        (12,287 )
Loss from operations                                     (26,786 )              (38,415 )       11,629
Other income/(expense), net                                  765                     (3 )          768
Net loss and comprehensive loss                 $        (26,021 )     $        (38,418 )   $   12,397


Grant revenue

Grant revenue for the three months ended September 30, 2022 and 2021 relates to
the NIH grants and the RADx initiative. During the three months ended September
30, 2022 and 2021, $0.1 million and $0.2 million of revenue was recognized
related to our NIH grant, respectively.

                                       22
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Product revenue, net, cost of product sold and gross profit (loss)



We began to generate sales during January 2022 after we entered into a
distribution agreement to sell the Antigen Tests. We intend to conclude this
program, upon the earlier of (i) selling our limited remaining Antigen Tests and
(ii) the expiration date of the Antigen Tests and will no longer generate sales
following conclusion of this program. The increase in product revenue and cost
of product sold is due to increased volume in units sold whereas we did not
conduct product revenue generating activities during the same period in 2021.

Research and development expenses



Research and development expenses for the three months ended September 30, 2022
and 2021 were $17.5 million and $25.8 million, respectively, a decrease of $8.3
million. Substantially all of our research and development expenses incurred
were related to the development of and manufacturing scale-up for the Talis One
system including rapid, point-of-care molecular diagnostic tests to detect
COVID-19 as well as other respiratory, women's health and sexual health tests.
The decrease of $8.3 million was primarily driven by expense declines of $3.0
million for the automation of consumable manufacturing, $7.3 million in
instrument component costs as we near completion of the scale-up project and
$1.0 million due to lower personnel related expenses including salaries and
benefits and stock-based compensation expenses as a result of our August
reduction in force, partially offset by $3.3 million in additional depreciation
expense due to acceleration of the useful life of certain lab equipment as a
result of manufacturing changes brought about by the decision to no longer
pursue the commercialization of the stand-alone Talis One COVID-19 assay in the
United States.

Selling, general and administrative expenses



Selling, general and administrative expenses were $8.8 million for three months
ended September 30, 2022, compared to $12.8 million for the three months ended
September 30, 2021, a decrease of $4.0 million. The decrease was primarily due
to lower personnel related expenses including salaries and benefits and
stock-based compensation expenses as a result of our March reduction in force.

Comparison for the nine months ended September 30, 2022 and 2021

The following table summarizes our results of operations:


                                                 Nine Months Ended September 30,
(in thousands)                                       2022                2021           Change
Revenue
Grant revenue                                   $         1,010       $     7,335     $   (6,325 )
Product revenue, net                                      3,545                 -          3,545
Total revenue, net                                        4,555             7,335         (2,780 )
Cost of product sold                                      6,059                 -          6,059
Gross profit (loss)                                      (1,504 )           7,335         (8,839 )
Operating expenses:
Research and development                                 55,589           140,529        (84,940 )
Selling, general and administrative                      29,933            30,102           (169 )
Total operating expenses                                 85,522           170,631        (85,109 )
Loss from operations                                    (87,026 )        (163,296 )       76,270
Other income/(expense), net                                 943               (86 )        1,029
Net loss and comprehensive loss                 $       (86,083 )     $  (163,382 )   $   77,299


Grant revenue

Grant revenue for the nine months ended September 30, 2022 and 2021 relates to
the NIH grants and the RADx initiative. During the nine months ended September
30, 2022, $0.7 million of revenue was recognized related to meeting milestones
under our RADx initiative and $0.3 million of revenue was recognized related to
our NIH grant. During the nine months ended September 30, 2021, $7.0 million of
revenue was recognized related to the RADx initiative and $0.3 million was
recognized related to our NIH grant. The RADx initiative expired on January 30,
2022.

Product revenue, net, cost of product sold and gross profit (loss)

We began to generate sales during January 2022 after we entered into a distribution agreement to sell the Antigen Tests. The increase in product revenue and cost of product sold is due to increased volume in units sold whereas we did not conduct product revenue generating activities during the same period in 2021.


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Research and development expenses



Research and development expenses for the nine months ended September 30, 2022
and 2021 were $55.6 million compared to $140.5 million, a decrease of $84.9
million. Substantially all of our research and development expenses incurred for
the periods were related to the development and manufacturing scale-up for the
Talis One system including rapid, point-of-care molecular diagnostic tests to
detect COVID-19 as well as other respiratory, women's health and sexual health
tests. The decrease of $84.9 million was primarily driven by expense declines of
$53.0 million for the automation of consumable manufacturing and $37.0 million
in instrument component costs as we near completion of the scale-up project,
partially offset by higher salary and wages of $0.6 million, $1.1 million in
additional occupancy costs, and $3.3 million in additional depreciation expense
due to acceleration of the useful life of certain lab equipment as a result of
manufacturing changes brought about by the decision to no longer pursue the
commercialization of the stand-alone Talis One COVID-19 assay in the United
States.

Selling, general and administrative expenses



Selling, general and administrative expenses for the nine months ended September
30, 2022 were $29.9 million compared to $30.1 million for the nine months ended
September 30, 2021, a decrease of $0.2 million. The decrease was primarily due
to lower personnel related expenses, including salaries and benefits and
stock-based compensation expenses as a result of our March 2022 reduction in
force.

Liquidity and capital resources

Sources of liquidity

We have funded our operations primarily through public equity offerings, private placements of equity securities and through government grants.



On February 17, 2021, we completed our initial public offering (IPO), pursuant
to which we issued and sold 13,800,000 shares of our common stock and an
additional 2,070,000 shares pursuant to the exercise in full by the underwriters
of their option to purchase additional shares of our common stock, at a public
offering price of $16.00 per share. The net proceeds from the IPO were $232.5
million after deducting underwriting discounts and commissions and other
offering expenses.

As of September 30, 2022, we had unrestricted cash and cash equivalents of
$143.8 million. We believe our unrestricted cash and cash equivalents balance as
of September 30, 2022 is sufficient for our operations for at least the next 12
months based on our existing business plan and our ability to control the timing
of significant expense commitments. Given our recent reductions in force and
other expense reductions planned this year, we expect to fund operations into
2025. This target could change as we gain more clarity on the timing and
trajectory of the Talis One system launch.

In August 2022, in connection with our refocus on the women's health and STI
markets, we implemented a reduction in force, of approximately 35% of our
employees, designed to align our remaining resources to focus on (i) developing
women's health and STI assays on the Talis One system, (ii) our internal
manufacturing expertise to support our strategic plans and (iii) reducing costs
and preserving cash to extend our runway to commercialize our women's health and
STI assays. We incurred $1.5 million of expenses related to the reduction in
force during the three months ended September 30, 2022. This is in addition to
$1.0 million of expenses incurred in the first quarter related to the March 2022
reduction in force, substantially all of which consisted of one-time charges
related to the staff reduction, including cash expenditures and other costs.
Going forward, we estimate annualized savings of $12.0 million in compensation
expenses related to this August 2022 reduction in force.

Nasdaq Deficiency Notice



On July 27, 2022, we received a notice (the "Notice") from The Nasdaq Stock
Market ("Nasdaq") that we were not in compliance with Nasdaq Listing Rule
5450(a)(1), as the minimum bid price of our common stock had been below $1.00
per share for 31 consecutive business days as of the date of the Notice. The
Notice has no immediate effect on the listing or trading of our common stock,
which will continue to trade at this time on the Nasdaq Global Market under the
symbol "TLIS."

We have a period of 180 calendar days, or until January 23, 2023 to regain
compliance with the minimum bid price requirement. To regain compliance, the
minimum bid price of our common stock must meet or exceed $1.00 per share for at
least ten consecutive business days during this 180 calendar day period. In the
event we do not regain compliance by January 23, 2023, we may be eligible for an
additional 180 calendar day grace period if we meet the continued listing
requirement for market value of publicly held shares and all other initial
listing standards for the Nasdaq Capital Market, with the exception of the
minimum bid price, and provide written notice to Nasdaq of our intention to cure
the deficiency during the second compliance period. If we do not regain
compliance within the allotted compliance periods, our common stock could result
in delisting. In that event, we may appeal such delisting determination to a
hearings panel.

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We intend to actively monitor the bid price of our common stock and will consider available options to regain compliance with the Nasdaq listing requirements, including a reverse stock split.

Future funding requirements



We do not have any commercial-scale manufacturing facilities and expect to rely
on third parties to manufacture the Talis One system and related assay
cartridges. We have entered into, and expect to enter into additional,
agreements with contract manufacturers to support our manufacturing scale-up. We
have engaged a third-party logistics provider to manage the movement of
materials between suppliers and contract manufacturers and for finished goods
warehousing.

We do not expect to generate any meaningful revenue unless and until we obtain
regulatory approval of and commercialize our Talis One system. Until we can
generate a sufficient amount of revenue from the commercialization of the Talis
One system and third-party products that we sell, including the Antigen Tests,
if ever, we expect to finance our future cash needs through public or private
equity offerings or debt financings.

To date, our primary uses of cash have been to fund operating expenses,
primarily research and development expenditures. Cash used to fund operating
expenses is impacted by the timing of when we pay these expenses, as reflected
in the change in our outstanding accounts payable, accrued expenses and
operating lease costs. We currently have no other ongoing material financing
commitments, such as other lines of credit or guarantees. We expect to incur
significant research and development and commercialization expenses related to
program sales, marketing, manufacturing and distribution to the extent that such
sales, marketing and distribution are not the responsibility of any future
collaborators. We expect to incur additional costs associated with operating as
a public company. Accordingly, we may choose to obtain additional funding in
connection with our continuing operations. If we are unable to raise capital
when needed or on attractive terms, we would be forced to delay, reduce or
eliminate our research and development programs or future commercialization
efforts.

Since our inception, we have incurred significant losses and negative cash flows
from operations. We have an accumulated deficit of $451.0 million through
September 30, 2022. We expect to incur substantial additional losses in the
future as we conduct and expand our research and development, manufacturing and
commercialization activities. Based on our planned operations, we expect that
our unrestricted cash and cash equivalents of $143.8 million as of September 30,
2022, will be sufficient to fund our operations for at least 12 months after our
condensed financial statements are issued. Given our recent reductions in force
and other expense reductions planned this year, we expect to fund operations
into 2025. This target could change as we gain more clarity on the timing and
trajectory of the Talis One system launch. However, we may need to raise
additional capital through equity or debt financing, or potential additional
collaboration proceeds prior to achieving commercialization of our products. Our
ability to continue as a going concern is dependent upon our ability to
successfully secure sources of financing and ultimately achieve profitable
operations.

We have based our projections of operating capital requirements on assumptions
that may prove to be incorrect, and we may use all our available capital
resources sooner than we expect. Because of the numerous risks and uncertainties
associated with research, development and commercialization of the Talis One
system, we are unable to estimate the exact amount of our operating capital
requirements. Our future capital requirements will depend on many factors,
including:

our ability to receive, and the timing of receipt of future regulatory approval for our products;

the number and development requirements of assays for other diseases or disease states that we may pursue;

our ability to manufacture the Talis One system at scale to meet eventual market demand, if any;

the amount of capital, and related timing of payments, required to build sufficient inventory of our Talis One system and assay cartridges in advance of and during commercial launch;

the costs and timing of future commercialization activities, including manufacturing, marketing, sales and distribution, for the Talis One system;

limitations of, or interruptions in, the quality or quantity of materials from our third-party suppliers;

our ability to implement an effective manufacturing, marketing and commercialization operation;

the scope, progress, results and costs of our ongoing and planned operations;

the costs associated with expanding our operations;

intervention, interruptions or recalls by government or regulatory agencies;

enhancements and disruptive advances in the diagnostic testing industry;

our estimates and forecasts of the market size addressable by our Talis One system;

security breaches, data losses or other disruptions affecting our information systems;


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the regulatory and political landscape upon any future commercial launch of the Talis One system;


the revenue, if any, received from commercial sales of our products, if and when
approved, including additional working capital requirements if we pursue a
reagent rental model for our Talis One instrument, or from commercial sales of
third-party products, including the Antigen Tests;

the costs to defend any shareholder suits or other third-party litigation;

our ability to establish strategic collaborations; and


the costs and timing of preparing, filing and prosecuting patent applications,
maintaining and enforcing our intellectual property rights and defending any
intellectual property-related claims.

Cash flows



The following table summarizes our cash flows for each of the periods presented:

                                                            Nine Months Ended September 30,
                                                             2022                   2021
                                                                    (in thousands)
Net cash used in operating activities                   $       (86,593 )     $        (130,643 )
Net cash used in investing activities                            (1,566 )                (1,879 )
Net cash provided by financing activities                           406                 233,759
Net (decrease) increase in cash, cash equivalents and
restricted cash                                         $       (87,753 )     $         101,237


Operating activities

During the nine months ended September 30, 2022, net cash used in operating
activities was $86.6 million, resulting from our net loss of $86.1 million, a
decrease in accounts payable and accrued expenses of $9.5 million driven by the
substantial completion of our manufacturing scale-up project, and an increase in
inventory of $2.0 million related to the purchase of the Antigen Tests. These
outflows were partially offset by non-cash items of $4.1 million of stock-based
compensation, $5.3 million of depreciation and amortization, and $2.0 million of
non-cash lease expense.

During the nine months ended September 30, 2021, cash used in operating
activities was $130.6 million, resulting primarily from our net loss of $163.4
million and other long-term assets of $1.0 million partially offset by increases
in our accrued expenses and accounts payable of $14.8 million, a decrease in our
prepaid expenses of $11.4 million, and non-cash items of $7.6 million, comprised
of stock-based compensation of $6.0 million, amortization of our right-of-use
assets on operating leases of $1.0 million, and depreciation expense of $0.6
million. The increase in our accrued expenses and accounts payable of $14.8
million was primarily associated with our manufacturing scale-up project.

Investing activities



During the nine months ended September 30, 2022 and 2021, we used $1.6 and $1.9
million of cash for investing activities related to purchases of property and
equipment, respectively.

Financing activities

During the nine months ended September 30, 2022, net cash provided by financing
activities was $0.4 million related to proceeds from stock option exercises and
stock purchases pursuant to the Company's employee stock purchase plan.

During the nine months ended September 30, 2021, net cash provided by financing
activities was $233.8 million, primarily consisting of $232.6 million of
proceeds from the issuance of common stock in our initial public offering, $0.8
million in proceeds from stock option exercises, and $0.4 million in proceeds
from common stock issued pursuant to the Company's employee stock purchase plan.

Contractual obligations and commitments

Leases

See Note 5. Commitments and contingencies, to our unaudited condensed financial statements included in Item 1 of this Quarterly Report for a summary of our operating lease commitments as of September 30, 2022.


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Purchase commitments



Purchase obligations include agreements to purchase goods or services that are
enforceable and legally binding to us and that specify all significant terms.
Purchase obligations exclude agreements that are cancelable without penalty.
Recognition of purchase obligations occurs when products or services are
delivered. We have purchase commitments of $3.9 million as of September 30,
2022. Our purchase commitments are incurred in the normal course of business and
made up of $3.1 million related to Talis One cartridges and $0.8 million for
Talis One instruments, all of which are expected to be incurred by 2023.

Apart from the contracts with payment commitments that we have reflected above,
we have entered into other contracts in the normal course of business with
certain contract manufacturing organizations and other third parties for
manufacturing services. Payments due upon cancellation consist only of payments
for services provided and expenses incurred, including non-cancelable
obligations of our service providers, up to the date of cancellation.

Critical accounting policies and significant judgments and estimates



This discussion and analysis of financial condition and results of operation is
based on our unaudited condensed financial statements, which have been prepared
in accordance with accounting principles generally accepted in the United
States. The preparation of financial statements requires management to make
estimates and judgments that affect the reported amounts of assets and
liabilities and disclosures of contingent assets and liabilities as of the date
of the financial statements and the reported amounts of expenses during the
reporting period. On an ongoing basis, management evaluates its estimates and
assumptions.

Our critical accounting policies and estimates are discussed in our Annual Report. Changes in our critical policies and estimates during the nine months ended September 30, 2022 are discussed below.

Revenue Recognition

Product revenue, net



We generate revenue from our sales of the Antigen Tests. These revenues are
recorded net of sales returns and discounts which are estimated at the time of
sale. We have recognized sales to customers from two primary customer types: (i)
direct customers, including hospitals, urgent care centers, physician, retail
and public health clinics, and (ii) sub-distributors. We have not generated
material revenue from sales to government organizations. We recognize revenue
under Accounting Standards Codification Topic 606 (ASC 606), Revenue from
Contracts with Customers, when a customer obtains control of promised goods or
services, in transaction price that reflects the consideration which the entity
expects to receive in exchange for those goods or services. Transaction price
does not include amounts subject to uncertainties unless it is probable that
there will be no significant reversal of revenue when the uncertainty is
resolved. Variable consideration is recognized at an amount we believe is not
subject to significant reversal and is adjusted at each reporting period if the
most likely amount of expected consideration changes or becomes fixed. For
example, we must estimate future product returns at the time of sale. The
expected value is determined based on sales data, product expiration dates and
levels of inventory, contractual terms with customers, and any new or
anticipated changes in sales strategies or regulations. We believe this provides
a reasonable basis for recognizing revenue, however, actual results could differ
from estimates and significant changes in estimates could impact our results of
operations in future periods.

Inventory



We value our inventory at the lower of cost or net realizable value and
determines the cost of inventory using the first-in, first-out method. Lower of
cost or net realizable value is evaluated by considering obsolescence, excessive
levels of inventory, deterioration and other factors.

In order to assess the ultimate realization of inventories, we are required to
make judgments as to future demand requirements compared to current or committed
inventory levels. We periodically review our inventories for shelf life, excess
or obsolescence and writes-down obsolete or otherwise unmarketable inventory to
its estimated net realizable value. If the actual net realizable value is less
than the carrying value, or if it is determined that inventory utilization will
further diminish based on estimates of demand, additional inventory write-downs
may be required. Inventory write-offs are recorded in cost of product sold and a
new lower-cost basis for the inventory is established. Excess and obsolete
inventory is primarily based on estimated forecasted sales, usage levels, and
expiration dates.

Recently issued accounting pronouncements

Recently issued accounting policies and estimates are discussed in our Annual Report.

Recently adopted accounting standards


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In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses
to require the measurement of expected credit losses for financial instruments
held at the reporting date based on historical experience, current conditions
and reasonable forecasts. The main objective of this ASU is to provide financial
statement users with more decision-useful information about the expected credit
losses on financial instruments and other commitments to extend credit held by a
reporting entity at each reporting date. We early adopted ASU 2016-13 on January
1, 2022 with no impact on our accumulated deficit, current financial position,
results of operations and comprehensive loss or cash flows.

Emerging growth company status



In April 2012, the JOBS Act was enacted. Section 107 of the JOBS Act provides
that an emerging growth company may take advantage of the extended transition
period provided in Section 7(a)(2)(B) of the Securities Act for complying with
new or revised accounting standards. Therefore, an emerging growth company can
delay the adoption of certain accounting standards until those standards would
otherwise apply to private companies. We have irrevocably elected to avail
ourselves of this extended transition period and, as a result, we may adopt new
or revised accounting standards on the relevant dates on which adoption of such
standards is required for non-public companies instead of the dates required for
other public companies.

We may take advantage of these exemptions for up to the last day of the fiscal
year ending after the fifth anniversary of our initial public offering or such
earlier time that we are no longer an emerging growth company. We would cease to
be an emerging growth company on the date that is the earliest of (1) the last
day of the fiscal year in which we have total annual gross revenues of $1.235
billion or more; (2) December 31, 2026; (3) the date on which we have issued
more than $1.0 billion in nonconvertible debt during the previous three years;
or (4) the date on which we are deemed to be a large accelerated filer under the
rules of the SEC.

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