Item 6. Exhibits








4.1			Indenture, dated as of March 2, 2026, between Omnicom Group Inc., as issuer, and Deutsche Bank Trust Company Americas, as trustee (Exhibit 4.1 to our Current Report on Form 8-K (File No. 001-10551) filed on March 2, 2026 (the “March 2, 2026 8-K”) and incorporated herein by reference).
4.2			First Supplemental Indenture, dated as of March 2, 2026, between Omnicom Group Inc., as issuer, and Deutsche Bank Trust Company Americas, as trustee (Exhibit 4.2 to the March 2, 2026 8-K and incorporated herein by reference).
4.3			Second Supplemental Indenture, dated as of March 2, 2026, between Omnicom Finance Holdings plc, as issuer, Omnicom Group Inc., as guarantor, and Deutsche Bank Trust Company Americas, as trustee (Exhibit 4.3 to the March 2, 2026 8-K and incorporated herein by reference).
4.4			Form of 4.200% Senior Notes due 2029 (Exhibit 4.4 to the March 2, 2026 8-K and incorporated herein by reference).
4.5			Form of 5.000% Senior Notes due 2033 (Exhibit 4.5 to the March 2, 2026 8-K and incorporated herein by reference).
4.6			Form of 5.300% Senior Notes due 2036 (Exhibit 4.6 to the March 2, 2026 8-K and incorporated herein by reference).
4.7			Form of 3.850% Senior Notes due 2034 (Exhibit 4.7 to the March 2, 2026 8-K and incorporated herein by reference).
10.1			Employment Agreement dated as of November 26, 2025 by and between Omnicom Group Inc. and Philippe Krakowsky.
10.2			Letter Agreement dated as of November 26, 2025 by and between Omnicom Group Inc. and Philippe Krakowsky.
10.3			2026 Incentive Award Plan - Restricted Stock Unit Agreement - Form of Grant Notice and Agreement
10.4			2026 Incentive Award Plan - Option Agreement - Form of Grant Notice and Agreement
10.5			Omnicom 2026 Incentive Award Plan (Annex A to our Definitive Proxy Statement on Schedule 14A (File No. 1-10551) filed on December 22, 2025 and incorporated herein by reference).
31.1			Certification of the Chairman and Chief Executive Officer required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
31.2			Certification of the Executive Vice President and Chief Financial Officer required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
32			Certification of the Chairman and Chief Executive Officer and the Executive Vice President and Chief Financial Officer required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, and 18 U.S.C. Section 1350.
101.INS			Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
101.SCH			Inline XBRL Taxonomy Extension Schema Document
101.CAL			Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF			Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB			Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE			Inline XBRL Taxonomy Extension Presentation Linkbase Document
104			Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


		OMNICOM GROUP INC.
Date:	April 29, 2026	/s/ PHILIP J. ANGELASTRO
		Philip J. Angelastro Executive Vice President and Chief Financial Officer (Principal Financial Officer and Authorized Signatory)

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