Omnicom to Pay $25.00 Per $1,000 to Noteholders Who Consent to Certain Amendments to its Zero Coupon Zero Yield Convertible Notes Due 2032

NEW YORK, July 30 /PRNewswire-FirstCall/ -- Omnicom Group Inc. (NYSE: OMC) announced today that it is seeking the consent of the holders of its Zero Coupon Zero Yield Convertible Notes due 2032 (the "Notes") to amend the Notes and the related Indenture to, among other things, (i) have noteholders waive their right to contingent cash interest, if payable, from October 31, 2008 through and including August 1, 2010 (the "Waiver Period") and (ii) eliminate Omnicom's right to redeem the 2032 Notes prior to August 2, 2010. The consent solicitation will expire on August 28, 2008.

Pursuant to the consent solicitation, Omnicom will make a cash payment equal to $25.00 per $1,000 aggregate principal amount of Notes, as promptly as practicable after the effective date of the consent solicitation, to a noteholder who (i) has not, as of immediately following the close of business on July 31, 2008, exercised its right pursuant to the Indenture to require Omnicom to repurchase its Notes or, if exercised, has withdrawn such exercise by the close of business on August 1, 2008, and (ii) has delivered and not withdrawn a valid consent to the amendments described above prior to the close of business on August 28, 2008.

This press release is not an offer to purchase, a solicitation of an offer to purchase or a solicitation of consents with respect to any Notes, nor is this announcement an offer or solicitation of an offer to sell new securities. The consent solicitation is being made solely by the Consent Solicitation Statement, copies of which are available from Omnicom on its website ( or by calling Omnicom at (212) 415-3393.

Omnicom Group Inc. (NYSE: OMC) ( Omnicom 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.
    -0-                             07/30/2008
    /CONTACT:  Omnicom, +1-212-415-3393/
    /Web site:

CO:  Omnicom Group Inc.
ST:  New York

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