Omnicom extends IPG note exchange deadline amid regulatory review

Omnicom Group Inc. (NYSE: OMC) extended the deadline for its exchange offers on Interpublic Group of Companies Inc. (NYSE: IPG) notes from September 30 to October 31, 2025, as regulatory approval for the pending acquisition continues.

The companies announced that regulatory approval has been completed in all required jurisdictions except Mexico and the European Union. Both companies maintain their expectation that the acquisition will close by December 31, 2025.

The exchange offers involve IPG's outstanding notes totaling $2.95 billion in aggregate principal amount. As of September 29, 2025, $2.76 billion worth of existing IPG notes had been validly tendered, representing 93.52% of the total outstanding amount.

Individual note series showed high participation rates, ranging from 89.92% for the 4.650% Notes due 2028 to 98.77% for the 3.375% Notes due 2041. The exchange offers allow IPG noteholders to receive new Omnicom senior notes and cash in return for their existing securities.

Omnicom received sufficient consents on August 22, 2025, to amend IPG's existing indentures, eliminating certain covenants and restrictive provisions. These amendments will become operative upon settlement of the exchange offers and completion of the merger.

The settlement date is expected within two business days after the October 31 expiration date. If the merger completion is not anticipated by the expiration date, Omnicom plans to further extend the deadline until the merger is completed.

The merger was initially announced under an agreement dated December 8, 2024. The companies stated the regulatory approval process continues to progress and they expect to complete the transaction this year.

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