NEW YORK, July 16, 2026 – The Board of Directors of Omnicom (NYSE: OMC) declared a quarterly dividend of 80 cents per outstanding share of the corporation’s common stock. The dividend is payable on October 9, 2026 to Omnicom common shareholders of record at the close of business on September 18, 2026.

About Omnicom

Omnicom (NYSE: OMC) is the world’s leading marketing and sales company, built for intelligent growth in the next era. Powered by Omni and its proprietary data and identity, Omnicom’s Connected Capabilities unite the company’s world‑class agency brands, exceptional talent, and deep domain expertise across media, commerce, consulting, precision marketing, advertising, production, health, public relations, branding, and experiential to address clients’ most critical growth priorities. For more information, visit www.omc.com.