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Cravath Publishes Summer 2026 Issue of Alumni Journal

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News & Insights

Integrys’s $9.1 Billion Acquisition by Wisconsin Energy

June 23, 2014

On June 23, 2014, Wisconsin Energy Company and Integrys Energy Group, Inc. announced that they have entered into a definitive merger agreement under which Wisconsin Energy will acquire Integrys in a transaction valued at $9.1 billion. Cravath represented Integrys in connection with this transaction, which has been unanimously approved by the boards of directors of both companies and is expected to close in the summer of 2015, subject to receipt of shareholder and regulatory approvals and satisfaction of other customary closing conditions. Upon completion of the transaction, the combined company will be named WEC Energy Group, Inc.

The Cravath team was led by partners Mark I. Greene and Andrew R. Thompson and included associates Bomi Lee and David P. Willard on M&A matters; partner Michael L. Schler and associate Andrew Carlon on tax matters; partner Eric W. Hilfers and associates Matthew Cantor and Julia L. Onorato on executive compensation and benefits matters; partner Christine A. Varney and associate Margaret Segall D’Amico on antitrust matters; and senior attorney Annmarie M. Terraciano on environmental matters. Summer associate Hugh H. Manahan also worked on M&A matters.

Related Practices & Industries

  • Corporate
  • Mergers and Acquisitions
  • Tax
  • Executive Compensation and Benefits
  • Environmental
  • Antitrust
  • Antitrust

People

Photo
Name
Mark I. Greene
Title
Corporate
Title
Partner
Email
mgreene@cravath.com
Phone
+1-212-474-1150
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    Education

    • J.D., 1993, University of Pennsylvania Law School
    • B.A., 1989, Cornell University

    Admitted In

    • New York
    Photo
    Name
    Eric W. Hilfers
    Title
    Executive Compensation and Benefits
    Title
    Partner
    Email
    ehilfers@cravath.com
    Phone
    +1-212-474-1352
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      Education

      • J.D., 1998, University of Chicago Law School
        with Honors
      • A.B., 1995, Princeton University

      Admitted In

      • New York
      Photo
      Name
      Margaret T. Segall
      Title
      Litigation
      Title
      Partner
      Email
      msegall@cravath.com
      Phone
      +1-212-474-1231
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        Education

        • J.D., 2008, Harvard Law School
          cum laude
        • A.B., 2003, Harvard College
          magna cum laude

        Admitted In

        • New York
        Photo
        Name
        Annmarie M. Terraciano
        Title
        Corporate
        Title
        Of Counsel
        Email
        aterraciano@cravath.com
        Phone
        +1-212-474-1366
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          Education

          • J.D., 1998, Columbia Law School
            Harlan Fiske Stone Scholar
          • M.S., 1994, University of Wisconsin - Madison
          • B.A., 1989, Wellesley College
            cum laude

          Admitted In

          • New York
          Photo
          Name
          Michael L. Schler
          Title
          Tax
          Title
          Retired Partner
          Email
          mschler@cravath.com
          Phone
          +1-212-474-1999
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            Education

            • LL.M., 1979, New York University
            • J.D., 1973, Yale Law School
            • B.A., 1970, Harvard University
              magna cum laude
            Photo
            Name
            Christine A. Varney
            Title
            Litigation
            Title
            Retired Partner
            Email
            cvarney@cravath.com
            Phone
            +1-212-474-1140
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              Education

              • J.D., 1986, Georgetown University Law Center
              • M.P.A., 1982, Syracuse University
              • B.A., 1977, State University of New York, Albany

              Related News & Insights

              Deals & Cases

              November 05, 2026

              Liberty Media’s Acquisition of High‑Vote Series B Common Stock from John C. Malone‑Related Entities

              On November 5, 2026, Liberty Media Corporation (“Liberty Media”) announced that it has acquired all shares of Liberty Media’s high‑vote Series B common stock held by certain entities related to John C. Malone (the “Malone Holders”) in exchange for shares of Liberty Media’s low‑vote Series A common stock and shares of Liberty Media’s non‑voting Series C common stock. As a result of the transaction, the Malone Holders’ aggregate voting power in Liberty Media declined to approximately 3%, and no holder of Liberty Media common stock holds more than 9% of Liberty Media’s voting power, in each case, based on Liberty Media’s outstanding common stock as of October 30, 2026. The transaction was negotiated and approved by a special committee (the “Special Committee”) of Liberty Media’s board of directors consisting solely of disinterested and independent directors for purposes of Nevada law, advised by its own independent financial and legal advisors. Cravath is representing the Special Committee in connection with the transaction.

              Deals & Cases

              October 29, 2026

              ADT’s $15.3 Billion Acquisition by Thrive Holdings

              On October 29, 2026, ADT Inc. (“ADT”), a leading provider of security, interactive and smart home solutions serving residential and small business customers in the U.S., and Thrive Holdings, a permanent capital holding company focused on investing in established businesses and advancing their capabilities through technology, announced a definitive agreement under which Thrive Holdings will acquire ADT in an all‑cash transaction. The agreement values ADT at approximately $7.6 billion in equity value and $15.3 billion in enterprise value. Under the terms of the agreement, which ADT’s Board of Directors unanimously approved, ADT stockholders will receive $10.00 per share in cash upon completion. Following completion, ADT will become privately held and its common stock will cease trading on the New York Stock Exchange. Cravath is representing ADT in connection with the transaction.

              Deals & Cases

              August 31, 2026

              Aon’s $17 Billion Acquisition of USI

              On August 31, 2026, Aon, a leading global professional services firm, announced the signing of a definitive agreement to acquire USI, a leading provider of property & casualty, employee benefit, personal risk and retirement solutions for the middle market and the tenth largest U.S. insurance broker, from KKR and other shareholders for a total purchase price of $17 billion. Aon expects to fund the transaction, as well as related transaction expenses and other costs, with new debt raised across a range of maturities, subject to market conditions. The transaction has been unanimously approved by the Board of Directors of Aon and the Board of Directors of USI. Cravath is representing Aon in connection with the transaction.

              Deals & Cases

              March 31, 2026

              Biogen’s $5.6 Billion Acquisition of Apellis

              On March 31, 2026, Biogen Inc. and Apellis Pharmaceuticals, Inc. announced that the companies have entered into a definitive agreement under which Biogen has agreed to acquire all outstanding shares of Apellis for $41.00 per share in cash at closing, or approximately $5.6 billion. Apellis stockholders will also receive a nontransferable CVR for each Apellis share held, entitling the holder to receive two payments of $2 per share each, contingent on certain annual global net sales thresholds being met for SYFOVRE®. Cravath is representing Biogen in connection with the transaction.

              Cravath Bicentennial

              Celebrating 200 years of partnership. In 2019, we celebrated our bicentennial. Our history mirrors that of our nation. Integral to our story is our culture.

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