Williams 1st Quarter 2024 Earnings Call

May 7, 2024

Strong operational, strategic and financial achievement year-to-date

KEY HIGHLIGHTS

Record contracted transmission capacity of 33.9 Bcf/d

Closed on accretive acquisition of Gulf Coast Storage assets

Upsized Southeast Supply Enhancement project to ~1.6 Bcf/d

OPERATIONAL EXECUTION

Progressed 7 projects through FERC process year-to-date

Continued progress on projects in execution

  • 10 transmission
  • 5 G&P
  • 5 deepwater

Emissions Reduction Projects - replacing 112 transmission compressor units through year-end

FINANCIAL STRENGTH

Record 1Q Adjusted EBITDA drives expectations to top half of 2024 guidance

Raised 2024 dividend by 6.1%

Continued resiliency of base business during

price cycles

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

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Strong results across key financial metrics

Strong Financial Performance

Across Key Metrics

Adjusted EBITDA

Adjusted Earnings per Share

Available Funds from Operations

Dividend Coverage Ratio (AFFO basis)

Balance Sheet Strength and

Capital Discipline

Debt-to-Adjusted EBITDA1

Capital Investments2,3

1Q 2024

1Q 2023

Change

$1,934

$1,795

8%

$0.59

$0.56

5%

$1,507

$1,445

4%

2.60x

2.65x

(2%)

3.79x 3.57x

$563 $525

1Does not represent leverage ratios measured for WMB credit agreement compliance or leverage ratios as calculated by the major credit ratings agencies. Debt is net of cash on hand, and Adjusted EBITDA reflects the sum of the last four quarters.

2Capital Investments includes increases to property, plant, and equipment (growth & maintenance capital), purchases of and contributions to equity-method investments and purchases of other long-term investments. 31Q 2024 capital excludes $1.851 billion for the acquisition of the Gulf Coast Storage assets, which closed 01/03/2024. 1Q 2023 capital excludes $1.056 billion for the acquisition of MountainWest Pipeline Holding company, which closed 02/14/2023. Note: In $ millions except for ratios and per-share amounts. This slide contains non-GAAP financial measures. A reconciliation of all non-GAAP financial measures used in this presentation to their nearest comparable GAAP financial measures is included at the back of this presentation.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

3

Achieved 8% growth 1Q 2024 vs. 1Q 2023

WMB Adjusted EBITDA ($MM): 1Q 2024 vs. 1Q 2023

Core Business Performance

$2,100

$42

($42)

$3

($9)

$111

$34

$1,934

$1,900

Gas & NGL

Other

West

Upstream

$1,795

Northeast

Marketing

Operations

G&P

Services

in Other

Transmission

$1,700

& GOM

$1,500

$1,300

$1,100

1Q 2023

1Q 2024

Core business performance drivers

Transmission & GOM

Higher earnings due to the Gulf Coast Storage and MountainWest acquisitions, Transco expansions and favorable segment costs; partially offset by Bayou Ethane divestiture and lower Gulf of Mexico earnings due to planned maintenance at our Discovery JV

Northeast G&P

Increased earnings due to rate adjustments across several franchises; partially offset by lower gathering volumes

West

Increased earnings driven by DJ Basin acquisitions and absence of 1Q 2023 negative Opal processing margins; partially offset by lower hedge realizations and lower gathering volumes

Gas & NGL Marketing Services

Lower gas marketing results driven by the absence of 1Q 2023 outsized transportation margins and storage gains

Note: This slide contains non-GAAP financial measures. A reconciliation of all non-GAAP financial measures used in this presentation to their nearest comparable GAAP financial measures is included at the back of this presentation.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

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WHY WILLIAMS?

Williams is a unique investment opportunity

Strategy fueled by natural gas

Our infrastructure is critical to providing reliable, affordable and clean energy to meet growing demand both domestically and abroad.

Shareholder value creation

Williams has demonstrated a long history of value creation to its shareholders with our strong balance sheet, durable returns, growing dividend and high return growth projects.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

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Appendix

Achieved 12% growth 1Q 2024 vs. 4Q 2023

WMB Adjusted EBITDA ($MM): 1Q 2024 vs. 4Q 2023

Core Business Performance

$2,100

$1,950

$120

$0

($18)

$1,934

Other

Upstream

$87

$19

$5

Operations

in Other

$1,800

Northeast

West

Gas & NGL

$1,721

Marketing

G&P

Services

Transmission

$1,650

& GOM

$1,500

$1,350

$1,200

4Q 2023

1Q 2024

Core business performance drivers

Transmission & GOM

Increased earnings due to the Gulf Coast Storage acquisition, favorable segment costs, Transco expansions and increased short-term firm and park and loan services; partially offset by lower Gulf of Mexico earnings due to planned maintenance

Northeast G&P

Increased earnings due to rate adjustments across several franchises; partially offset by lower gathering volumes

West

Increased earnings driven by DJ Basin acquisitions and favorable segment costs; partially offset by lower gathering volumes, NGL margins and commodity-based rates

Gas & NGL Marketing Services

Higher gas marketing results driven by the increased transportation margins and favorable storage margins; partially offset by lower NGL margins and lower gains on NGL sales

Note: This slide contains non-GAAP financial measures. A reconciliation of all non-GAAP financial measures used in this presentation to their nearest comparable GAAP financial measures is included at the back of this presentation.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

7

Diversification of Adjusted EBITDA fuels stability and growth

~$6.8B 2023 Adj. EBITDA

NGL Services1

1%

Marketing Services

4%

E&P

4%

Other Onshore Oil Basin2

2%

Eagle Ford

5%

SW Wyoming / Wamsutter

1%

Piceance

1%

Barnett3

3%

Blue Racer & Aux Sable

3%

Marcellus South

3%

Bradford Supply Hub

3%

Haynesville

4%

LMM, Cardinal & Flint

5%

Northeast JV

7%

Susquehanna Supply Hub

8%

Deepwater GOM

5%

NorTex Transport & Storage

1%

OPPL & Purity Pipes

1%

Gulfstream

2%

MountainWest Pipeline

2%

Northwest Pipeline

5%

~1% from NGL Services

~4% from Gas and NGL Marketing Services ~4% from E&P Joint Ventures

~7% from G&P

serving on-shoreoil-directed supply areas

~38% from G&P

serving gas-directed supply areas

~45% from Transmission & Deepwater

Transco 30%

1Includes Conway, Bluestem pipeline and Targa Frac. 2Includes Permian, Mid-continent and DJ Basin. 3Includes realized NYMEX gas hedge gains.

Note: This slide contains non-GAAP financial measures. A reconciliation of all non-GAAP financial measures used in this presentation to their nearest comparable GAAP financial measures is included at the back of this presentation.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

8

Williams generates steady growth in volumes and Adjusted EBITDA

Quarterly Growth: Williams Base Business Adjusted EBITDA1, Contracted Transmission

Capacity and Gathering Volume vs. Crude Oil and Natural Gas Commodity Prices

250

Indexed to 100

200

Capacity +

Volume

Adj. EBITDA

150

Oil Price

100

Gas Price

50

2015

2016

2017

2018

2019

2020

2021

2022

2023

2024

WTI Oil Price2

Henry Hub Natural Gas Price3

Base Business

Contracted Transmission Capacity

Adj. EBITDA1

& Gathering Volume4

1Base business includes Transmission & Gulf of Mexico, Northeast G&P and West and excludes contributions from Gas & NGL Marketing Services and Upstream Operations in Other. 2Source: EIA, monthly avg. price of NYMEX WTI Crude Oil prompt-

month contract. 3Source: EIA, monthly avg. price of NYMEX Henry Hub Natural Gas prompt-month contract. 4Sum of gathering volumes and avg. daily firm reserved capacity for regulated transportation (converted from Tbtu to Bcf at 1,000 btu/cf) for

West, Northeast G&P and Transmission & Gulf of Mexico segments. Volumes for acquisitions were averaged over the entire quarter in which the acquisitions closed. Note: This slide contains non-GAAP financial measures. A reconciliation of all non- GAAP financial measures used in this presentation to their nearest GAAP comparable financial measures are included at the back of this presentation.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

9

Recent accomplishments

Gulf

Coast

Closed acquisition of 6 storage facilities with total capacity of 115 Bcf across Louisiana and

Mississippi, strategically located to serve growing LNG and power generation demand; portfolio of

Storage Acquisition

assets acquired for $1.95 billion, representing a ~10x 2024e Adjusted EBITDA multiple

YTD Transco Expansion Progress

Placed Carolina Market Link in service, commenced construction for Southside Reliability Enhancement and Southeast Energy Connector, received Notice to Proceed for Commonwealth Energy Connector, received FERC order for Alabama Georgia Connector and Texas to Louisiana Energy Pathway and pre-filed with FERC for Southeast Supply Enhancement

Sustainability Ranking Performance

Named to the DJSI North America index (4th year) and to the DJSI World index (3rd year), received top score in the S&P Global CSA1 in the North America Oil & Gas Storage & Transportation industry, upgraded to an "A-" on the 2023 CDP Climate Change Questionnaire, upgraded to an "A" rating by MSCI and named one of America's Most Responsible Companies by Newsweek magazine

Dividend

Increased Williams' quarterly dividend 6.1% to $0.4750 per share, or $1.90 annualized, up from

Williams' 2023 quarterly dividend of $0.4475 per share, or $1.79 annualized; demonstrating

Distributions

continued commitment to Williams' long-standing dividend program

1Corporate Sustainability Assessment. All scores verified as of 5/1/2024.

Note: This slide contains non-GAAP financial measures. A reconciliation of all non-GAAP financial measures used in this presentation to their nearest comparable GAAP financial measures is included at the back of this presentation.

WILLIAMS © 2024 The Williams Companies, Inc. All rights reserved

NYSE: WMB I Williams 1st Quarter 2024 Earnings Call I May 7, 2024 I www.williams.com

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The Williams Companies Inc. published this content on 06 May 2024 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 06 May 2024 20:24:35 UTC.