Cynthia M. Mabry

Cynthia Mabry is a partner in the Houston office of Gibson Dunn where she is a member of the firm’s Capital Markets Practice Group. She represents public and private entities, investors, and underwriters in capital markets and finance transactions, including offerings of equity and debt securities.

Cynthia also provides counsel on mergers and acquisitions, corporate governance and compliance matters, and joint ventures. She is particularly experienced with clients engaged in the energy industry, including utilities, oil and gas exploration and production, midstream, oilfield services, and other related sectors. Cynthia advises clients on governance structures and compliance issues related to climate change, environmental, social and corporate governance (ESG), and sustainability reporting.

Cynthia also advises on capital markets aspects of complex liability management transactions, restructuring and other special situation transactions, including recent representations of ad hoc groups and other creditor constituencies of Aventiv Technologies, Cision, Comar, CommScope, Elevate Textiles, Ingenovis, Innovate Corp, LivePerson, MultiPlan, Rackspace, Radiate, Radiology Partners, Saks Fifth Avenue, Selecta, Vibrantz and Zayo.

Awards and Accolades:

• Chambers USA, “Capital Markets: Debt & Equity” (2020 – 2026)
• The Best Lawyers in America, “Oil and Gas Law", “Corporate Law” (2021 – 2027)  
• Texas Super Lawyers, “Super Lawyer for Securities & Corporate Finance” (2023 – 2025); "Rising Star" (2017-2020)
• Lawdragon, “500 Leading U.S. Energy Lawyers” (2023 – 2025)
• BTI, Client Service All Star (2022; 2025)
• Expert Guides, “Rising Stars” (2022)
• The Houston Business Journal, “Women Who Mean Business” (2022)

Representative Clients and Transactions:

Securities Offerings

• Solaris Energy Infrastructure Inc. (NYSE: SEI) on its debut Rule 144A offering of $1.3 billion aggregate principal amount of senior notes
• Beusa Investments, LLC on its debut Rule 144A offering of $800 million aggregate principal amount of senior notes
• The underwriters in public offering of $700 million aggregate principal amount of senior notes by Western Midstream Partners LP (NYSE: WES)
• Solaris Energy Infrastructure Inc.’s (NYSE: SEI) Rule 144A offering of $1.25 billion aggregate principal amount of senior notes
• Patterson-UTI Energy Inc.’s (NASDAQ: PTEN) underwritten offering of $500 million aggregate principal amount of senior notes
• SLB’s (NYSE: SLB) underwritten offering of $2.0 billion aggregate principal amount of investment grade senior notes
• TGS ASA (Oslo: TGS) on its refinancing of existing debt with its debut Rule 144A/Regulation S offering of $550 million aggregate principal amount of senior secured notes
• Ovintiv Inc.’s (NYSE: OVV) underwritten offering of $2.3 billion aggregate principal amount of investment grade senior notes
• Diversified Energy’s (NYSE, LSE: DE) secondary offering of common shares by large shareholders
• Legacy Owners of Endeavor Energy LP (SGF Capital): Largest secondary offering in oil and gas industry, registered offering of $2.2 billion of common stock of Diamondback Energy (NYSE: FANG)
• The underwriters in multiple public offerings of more than $8.7 billion aggregate principal amount of senior notes by Waste Management, Inc. (NYSE: WM)
• LyondellBasell’s (NYSE: LYB) in multiple underwritten offerings of more than $2.0 billion aggregate principal amount of guaranteed notes
• The underwriters in NuStar Energy L.P.'s (NYSE: NS) offering of 13,000,000 common units
• Aris Water Solutions, Inc.’s (NYSE: ARIS) Rule 144A offering of $500 million aggregate principal amount of senior notes
• Noble Corporation’s (NYSE: NE) offering of $800 million aggregate principal amount of senior notes to finance its acquisition of Diamond Offshore Drilling
• Star Leasing Company, LLC (d/b/a Transportation Equipment Network (TEN)) on its debut Rule 144A offering of $700 million aggregate principal amount of senior secured notes
• ProFrac Holding Corp (NASDAQ: ACDC) on its $885 million refinancing of existing senior secured term loan and other debt with a private offering of senior secured notes and a secured term loan; $85 million debut follow-on common stock offering

Mergers and Acquisitions

• Ovintiv Inc. (NYSE: OVV) in the financing of its $2.377 billion acquisition of all leasehold interest and related assets of Paramount Resources Ltd. 
• Ovintiv Inc. (NYSE: OVV) in the financing of its $4.275 billion acquisition of all leasehold interest and related assets of Black Swan Oil & Gas, PetroLegacy Energy and Piedra Resources
• Special Committee of the Board of Directors of Atlas Corp. (NYSE: ATCO) in a $10.9 billion take-private transaction
• Conflicts Committee of the Board of Directors of Holly Energy Partners (NYSE: HEP) in its merger with HF Sinclair Corporation (NYSE: DINO) in a cash and stock transaction valued at approximately $1.4 billion

Cynthia received her J.D. from The University of Houston Law Center in 2010. In 2004, she graduated from Louisiana State University with her Bachelor of Science in Accounting. Prior to practicing law, Cynthia worked as a senior associate at PricewaterhouseCoopers (PwC) in Houston.

Cynthia serves as a member of the advisory council to the Louisiana State University Ogden Honors College. She previously served on the University of Houston Law Alumni and Law Foundation boards, and also served as Co-Chair of the University of Houston Law Center’s Women of the Law.

Capabilities

• Capital Markets
• ESG: Risk, Litigation, and Reporting
• Energy and Infrastructure
• Mergers and Acquisitions
• Oil and Gas
• Securities Regulation and Corporate Governance

Credentials

Education:

• University of Houston - 2010 Juris Doctor
• Louisiana State University - 2004 Bachelor of Science

Admissions:

• Texas Bar