09:28 AM EDT, 08/11/2025 (MT Newswires) -- Omnicom Group ( OMC ) has started offers to exchange all outstanding Interpublic Group of Companies ( IPG ) notes for up to $2.95 billion of new senior notes to be issued by Omnicom ( OMC ) and cash in connection with their pending merger, the companies said Monday.

The exchange offers are set to expire Sept. 9, the companies said.