Arbitron Inc.

COLUMBIA, Maryland, August 11, 2011 - New position to oversee company's day-to-day operations and execute growth strategies Arbitron Inc.

COLUMBIA, Maryland, July 28, 2011 - Finnish research & technology company expands Arbitron technology portfolio and global footprint; Discloses impact of acquisition on 2011 earnings; Reiterates 2011 full-year guidance for revenue and earnings per share Arbitron Inc., (NYSE: ARB) announced today that it has acquired Zokem Oy, a Finland-based mobile audience measurement and analytics firm for a payment of approximately $11.7 million in cash at closing with possible additional incremental cash payments through 2014 of up to $12 million based on future financial performance.