NEW YORK, Nov. 29, 2012 /PRNewswire/ -- The Board of Directors of Omnicom Group Inc. declared a regular quarterly dividend of 30 cents per outstanding share of its common stock. The dividend is payable on December 31, 2012, approximately one week earlier than the corporation has historically paid its fourth quarter dividend. The dividend is payable to Omnicom Group common shareholders of record at the close of business on December 14, 2012. 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. SOURCE Omnicom Group Inc.