Latham & Watkins Advises Omnicom in Acquisition of Interpublic Group

Omnicom (NYSE: OMC) and The Interpublic Group of Companies, Inc. (NYSE: IPG) (Interpublic) have announced that their Boards of Directors have unanimously approved a definitive agreement pursuant to which Omnicom will acquire Interpublic in a stock-for-stock transaction. Under the terms of the agreement, Interpublic shareholders will receive 0.344 Omnicom shares for each share of Interpublic common stock they own. Following the close of the transaction, Omnicom shareholders will own 60.6% of the combined company and Interpublic shareholders will own 39.4%, on a fully diluted basis. The stock-for-stock transaction is expected to be tax-free to both Omnicom and Interpublic shareholders and is expected to close in the second half of 2025, subject to Omnicom and Interpublic shareholder approvals, required regulatory approvals, and other customary conditions.

Latham & Watkins LLP represents Omnicom in the transaction with a corporate deal team led by Chicago partners Bradley Faris and Jason Morelli, together with New York partner Jeff Hammel and Washington, D.C. partner Joel Trotter, and with corporate associates Grace Kim, Brian Baloun, Leah Beukelman, Mary Ann Gallucci, Amarantha Gomez, and Camille N’Diaye-Muller. Advice was also provided on tax matters by Washington, D.C. partner Nicholas J. DeNovio and New York partner David Raab, with associate Abigail Friedman; on executive compensation and benefits matters by Washington, D.C. partners David Della Rocca and Nikhil Kumar; on labor and employment matters by New York counsel Sandra Benjamin, with associate Yoojin DeNiro; on intellectual property matters by New York partner Jeffrey Tochner, with associate Pelin Serpin; on data privacy matters by Houston/Austin counsel Robert Brown, with associate Zac Alpert; on capital markets and SEC matters by Washington, D.C. counsel Jonathan Drory, with associates Wei Cai and Andrew Rutsky; on finance matters by Chicago partner Cindy Caillavet Sinclair and Chicago counsel Colin O’Regan; on sanctions and trade control matters by Washington, D.C. counsel Ruchi Gill, with associate Elliot Hecht; on anticorruption matters by Washington, D.C. partner Kevin Chambers; and on antitrust matters by Washington, D.C. partners Farrell Malone and Michael Egge, Brussels partner Héctor Armengod, Hamburg partner Jana Dammann de Chapto, and Washington, D.C. counsel Tara Tavernia.