Media Rating Council grants accreditation to five additional Arbitron Portable People Meter markets

Radio Facts: Arbitron Inc. (NYSE: ARB) today announced that theMedia Rating Council ® Inc. (MRC) has accredited the radio average-quarter-hour monthlyratings data produced by the Portable People MeterTM (PPM ®) ratings service in fiveadditional markets: Los Angeles, Tampa-St. Petersburg-Clearwater, Baltimore, Riverside-San Bernardino, and San Antonio.Three of the markets”“Los Angeles, Baltimore and San Antonio”“are being granted MRCaccreditation for the first time.Two markets”“Riverside-San Bernardino and Tampa-St. Petersburg-Clearwater”“ areregaining accreditation, which had been withdrawn by the MRC in January 2012.The MRC has also voted to continue accreditation in nine markets”“Atlanta, Cincinnati,Houston, Kansas City, Milwaukee-Racine, Minneapolis-St. Paul, Philadelphia, Phoenix,and St. Louis.In total, 14 markets can now display the MRC double checkmark logo for the radioaverage-quarter-hour monthly ratings data produced by the Portable People Meter radioratings service.The MRC voted to not grant accreditation at this time in the remaining 34 PPM markets,and therefore PPM data in those markets continue to be unaccredited.”We are pleased the MRC has recognized the progress we have made; at the same time weunderstand there is still work to be done,” said Gregg Lindner, executive vice president,Service Innovation and Chief Research Officer, Arbitron Inc. “We will continue our effortsto maintain the MRC double checkmarks in our currently accredited PPM markets and toachieve service-wide accreditation for all PPM markets.”Arbitron Inc. “¢ 9705 Patuxent Woods Drive “¢ Columbia, Maryland 21046 “¢ www.arbitron.comMRC accredits five additional PPM markets Page 2 of 3July 18, 2012