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Mary Alexander
Mary Alexander
Counsel — Tax
Counsel — Tax

Mary Alexander

Mary Alexander
Washington, D.C.

2200 Pennsylvania Avenue NW
Suite 500 West
Washington, D.C. 20037

Mary Alexander


  • Continental Resources in its $250 million strategic investment in Summit Carbon Solutions to fund the development and construction of carbon capture, transportation and sequestration infrastructure located in the Midwestern United States with initial capacity of up to 12.0 MMtpa and expansion capabilities up to 20.0 MMtpa

  • Blackstone Credit and ClearGen, a Blackstone Credit portfolio company, in the formation of a strategic partnership between ClearGen and GreenStruxure, a Schneider Electric and Huck Capital joint venture, to develop, own and operate up to $500 million of renewable energy microgrid systems for C&I customers

  • NALA Renewables and Buckeye Partners in connection with the acquisition of and joint venture structuring for, the Swift Current Energy portfolio, a US portfolio of development wind and solar assets in excess of 10GW, including the construction and term financing and tax equity investments in the portfolio assets

  • MN8 Energy (Goldman Sachs Renewable Power) (a $4 billion fund), in its:

    • Approximately $350 million acquisition from Marina Energy, a subsidiary of Southern Jersey Industries, of its solar portfolio comprised of 76 distributed solar energy projects with total capacity of 204 MW
    • Acquisition of a 142-MW portfolio of solar power generation assets from a subsidiary of Macquarie Infrastructure Corporation
    • Acquisition of a series of solar projects developed by a major utility company
    • Ongoing investments, acquisitions and finance arrangements in renewable energy projects
  • Renewable and Sustainable Energy Fund of The Carlyle Group in its $150 million commitment to partner with Alchemy Renewable Energy to develop, acquire, finance, and operate solar power generation projects throughout the U.S.

  • A private equity special situations fund in its:

    • Approximately $1 billion back-levered acquisition (by way of a joint venture) of a portfolio of wind and solar assets from a global conglomerate
    • Acquisition of interests in 16 wind energy projects through a joint venture with the subsidiary of a global banking institution
    • Various acquisitions and divestitures of tax equity and other interests in solar assets
  • Marathon Petroleum Corporation, the controlling owner of MLPX LP and Andeavor Logistics LP, as special tax counsel in MPLX LP’s $14 billion acquisition of Andeavor Logistics LP, creating a combined midstream and logistics MLP with an estimated $55 billion enterprise value

  • Talos Energy, a portfolio company of Apollo Global Management and Riverstone Holdings, in its $2.5 billion combination with Stone Energy, creating an offshore-focused E&P company

  • Covey Park Energy in its $2.2 billion sale to Comstock Resources 

  • Lucid Energy Group II in the $1.6 billion sale of the company, an EnCap Flatrock Midstream portfolio company, to a joint venture controlled by investment funds 

  • TransCanada Corporation in the $915 million merger of Columbia Pipeline Partners and Columbia Pipeline Group, a wholly-owned subsidiary of TransCanada

  • CryoLife, a leading medical device and tissue processing company, in its $225 million acquisition of JOTEC, a German-based developer of medical devices

  • Unit Corporation, a diversified, publicly-traded energy company engaged in oil and natural gas exploration and production, contract drilling, and midstream services, and its affiliates in connection with its prearranged chapter 11 bankruptcy cases involving the exchange of debt for debt, conversion of debt to equity, and preservation of net operating losses

  • A national bank (in its role as the agent for a $550 million secured lending facility to an upstream producer) in connection with the producer’s Chapter 11 bankruptcy restructuring and emergence in an Up-C structure

  • Bellatrix Exploration Ltd., a Canadian entity, as lead U.S. counsel in the recapitalization transaction involving the exchange of debt into debt and equity

  • Initial purchasers in the $1 billion offering of senior notes by Nabors Industries, Inc.

  • Initial purchasers’ counsel in connection with Transocean Guardian Limited’s private offering of U.S. $750 million in aggregate principal amount of senior secured notes due 2024

  • U.S.-based industrial conglomerate in counseling with respect to the tax-efficient repatriation of earnings, as well as the federal tax consequences of related reorganization and distribution transactions

  • Various borrowers and lenders in bankruptcy and other restructuring matters

  • Various borrowers and lenders on transactions including bank credit facilities, mezzanine financings, project financings, note offerings, tender offers, and syndicated finance


  • New York University School of Law, LL.M. in taxation, 2011
  • The University of Texas School of Law, J.D. with honors, 2010
  • New York University, B.A., Economics magna cum laude, 2007 (Phi Beta Kappa)
  • Selected to the Washington, D.C. Rising Stars list, Super Lawyers (Thomson Reuters), 2019 and 2020
  • Texas
  • District of Columbia
  • “Structuring for Tax Credits: The Impact of the Inflation Reduction Act and M&A Considerations,” Dallas Bar Association Tax Section CLE, October 3, 2022 (co-speaker)
  • “Structuring for Tax Equity: Credit Basics and M&A Considerations,” Houston Bar Association Taxation Section Monthly CLE, Houston, Texas, May 18, 2022 (co-speaker)
  • “Quarantining Carbon Oxide – Structural and Tax Considerations for Carbon Capture Projects,” V&E Energy Series CLE, July 30, 2020 (co-speaker)
  • “Impact of the Tax Cuts and Jobs Act on Partnerships,” Tax Executive Institute – Houston Chapter, May 9, 2018 (panelist)
  • “Debt Restructuring in a Turbulent Economy,” Tax Executives Institute – Houston Chapter Tax School, Houston, Texas, February 24, 2017