On November 26, 2025, Omnicom Group Inc. entered into a Fourth Amended and Restated Five Year Credit Agreement (the ?Credit Agreement Amendment?), which amended and restated the Company?s Third Amended and Restated Five Year Credit Agreement dated as of June 2, 2023 (as previously amended, the ?Existing Credit Agreement?), with the lenders named therein (the ?Lenders?), Citibank, N.A., BofA Securities Inc., JPMorgan Chase Bank, N.A., and Wells Fargo Securities, LLC, as lead arrangers and book managers, Bank of America, N.A., JPMorgan Chase Bank, N.A. and Wells Fargo Bank, National Association, as syndication agents, BNP Paribas, Deutsche Bank Securities Inc. and HSBC Bank USA, National Association, as documentation agents, and Citibank, N.A., as administrative agent for the Lenders. The Credit Agreement Amendment amended the Existing Credit Agreement to, among other things, (i) increase the revolving facility amount from $2.5 billion to $3.5 billion, (ii) reduce the facility fee and applicable margin, (iii) extend the termination date of the Existing Credit Agreement (with respect to the available commitments of the extending lenders) from June 2, 2028 to November 26, 2030 and (iv) designate Omnicom as sole borrower under the revolving facility.