NEW YORK: Omnicom Group's PR revenue grew 4.4% organically compared with the prior year to $306.9 million in the first quarter.

The holding company owns and operates Fleishman-Hillard, Ketchum, Porter Novelli, Cone, and Mercury Public Affairs. It acquired Marina Maher Communications last November.

PR accounted for 9.3% of Omnicom's Q1 business, while advertising made up 46.9%, and CRM was 36.3%. Specialty marketing was 7.5% of Omnicom's first-quarter business.

Omnicom president and CEO John Wren said on an earnings call that ...