NEW YORK, Feb. 12, 2014 /PRNewswire/ -- Omnicom Group Inc. (NYSE: OMC) today filed its Annual Report on Form 10-K with the U.S. Securities and Exchange Commission, which provides a comprehensive overview of the company for the year ended December 31, 2013.

This report is available on www.omnicomgroup.com/InvestorRelations as well as on the SEC's website at www.sec.gov.

Omnicom Group Inc. (NYSE: OMC) (www.omnicomgroup.com) is a leading global marketing and corporate communications company. Omnicom's branded networks and numerous specialty firms provide advertising, strategic media planning and buying, digital and interactive marketing, direct and promotional marketing, public relations and other specialty communications services to over 5,000 clients in more than 100 countries.

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