NEW YORK, February 19, 2026 – Omnicom (NYSE: OMC) will hold an Investor Day on Thursday, March 12, 2026 beginning at 9:00 a.m. Eastern Time. Presentations given by executive management and operational leaders are expected to conclude at approximately 12:30 p.m. Eastern Time. The live webcast will be available at Omnicom’s investor relations website, investor.omc.com. A webcast replay will be made available after the event concludes.

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, 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 omc.com.