Tidemark Capital, Inc., General Atlantic Service Company, L.P., Hg Saturn 1 managed by HgCapital LLP entered into a definitive agreement to acquire OneStream, Inc. (NasdaqGS:OS) from Tidemark Capital, Inc. and KKR & Co. Inc. (NYSE:KKR) for approximately $6 billion on January 6, 2026. As a consideration, Shareholders to Receive $24.00 Per Share in Cash. Hg to Become Majority Shareholder, with Minority Investments from General Atlantic and Tidemark. Upon completion of the transaction, OneStream's Class A common stock will no longer be listed or traded on any public stock exchange.

Sell side termination fee is $207 million. Mr. Shea will continue to serve as CEO, and the current leadership team will remain in place. OneStream will maintain its headquarters in Birmingham, Michigan.

The transaction has been unanimously approved by OneStream's Board of Directors, is expected to close in the first half of 2026, subject to the receipt of required regulatory approvals, shareholder approval, expiration or termination of the applicable waiting period under the United States Hart-Scott-Rodino Antitrust Improvements Act of 1976 and the satisfaction of other customary closing conditions. KKR, in its capacity as the holder of a majority of OneStream's voting power, has approved the transaction.

J.P. Morgan Securities LLC acted as financial advisor and fairness opinion provider for OneStream, Inc. Centerview Partners LLC acted as fairness opinion provider for OneStream, Inc. Allison B. Spinner, Michael Nordtvedt, Rezwan D. Pavri, Douglas K. Schnell and Remi P. Korenblit of Wilson Sonsini Goodrich & Rosati, P.C. acted as legal advisor for OneStream, Inc. Goldman Sachs & Co. LLC acted as financial advisor for HgCapital LLP. Sean Doyle and Blair Thetford of Skadden, Arps, Slate, Meagher & Flom LLP acted as legal advisor for HgCapital LLP. Jones Day acted as legal advisor for KKR & Co. Inc. Paul, Weiss, Rifkind, Wharton & Garrison LLP acted as legal advisor for HgCapital LLP. Deloitte & Touche LLP is providing financial & tax diligence, Bain & Company is providing commercial & technological diligence and Cruxy & Company is providing product strategy diligence, to Hg. FGS Global is serving as strategic communications advisor to OneStream.