NEW YORK, November 10, 2003-Arbitron Inc. (NYSE: ARB) and TNS Media Intelligence/CMR have signed a marketing agreement to provide TNSMI/CMR's spot television advertising tracking data to Arbitron's regional and local advertising agency customers.

Arbitron's TAPSCAN® Software Suite now includes Market Analysis, a new service that will enable agencies to process TNSMI/CMR's spot TV ad tracking data. Arbitron is the only company authorized to license TNSMI/CMR local TV intelligence to regional and local advertising agency clients.

TNS Media Intelligence/CMR is a leading provider of strategic advertising and marketing information to advertisers, ad agencies and media properties. The company's tracking technologies collect occurrence and expenditure data, as well as the creative executions of more than 1.9 million brands spanning 20 media. TNSMI/CMR's spot TV data are important to clients seeking timely, comprehensive information on the local television marketplace.

Arbitron's Advertiser/Agency Services division provides multimedia planning and buying software and services as well as audience measurement information to more than 3,000 national advertising agencies and advertisers. This agreement will enable Arbitron's regional and local agency customers to get even greater value from the company's rich TAPSCAN software, which provides agencies with the tools that they need for market research, media planning and scheduling, and postanalysis. Market Analysis reports on 100 local TV markets will be provided to subscribers monthly. Agencies can subscribe to the entire TAPSCAN Software Suite, the Market Analysis service alone or TAPSCAN alone without the Market Analysis feature.

Arbitron will provide live instructor-led training over the Web and other training options to Market Analysis subscribers. More information about Market Analysis can be found at Arbitron's Web site at http://www.arbitron.com/ad_agencies/marketanalysis.htm.

Customer Benefits
"As a leader in local market media services, we believe our customers will benefit greatly from TNSMI/CMR's ad monitoring capabilities," said Carol Hanley, senior vice president of sales for Arbitron's Advertiser/Agency Services. "Now our customers in regional and local markets will have the means to track spot TV spending and audience delivery for competing brands; quickly identify competitive opportunities; monitor the effectiveness of their ad buying; and prepare compelling presentations to get new business."

"This marketing alliance brings together two of the industry's foremost information providers-TNS Media Intelligence/CMR and Arbitron," said George Shababb, senior vice president, Strategic Planning and Business Development, TNSMI/CMR. "Having TNS Media Intelligence/CMR spot TV data integrated into Arbitron's Market Analysis application, allows us to offer critically important spot television intelligence to a wider base of regional and local agencies."

About TNS Media Intelligence/CMR
TNS Media Intelligence/CMR is the leading provider of strategic advertising and marketing information-across media, brand, industry and market. The company's tracking technologies collect occurrence and expenditure data, as well as the creative executions of more than 1.9 million brands spanning 20 media. TNS Media Intelligence/CMR is headquartered in New York City and maintains sales locations in major markets throughout the United States.

Within the TNS organization, TNS Media Intelligence/CMR is a key member of the media intelligence sector-dedicated to providing worldwide tracking, analysis, evaluation and consultative services for the media and marketing communities. TNS Media Intelligence is the market leader in the U.S. and France, with significant operations in Europe and Asia. For further information, visit www.tnsmi-cmr.com.

About Arbitron
Arbitron Inc. (NYSE: ARB) is an international media and marketing research firm serving radio broadcasters, cable companies, advertisers, advertising agencies and outdoor advertising companies in the United States, Mexico and Europe. Arbitron's core businesses are measuring network and local market radio audiences across the United States; surveying the retail, media and product patterns of local market consumers; and providing application software used for analyzing media audience and marketing information data. Arbitron Internet Broadcast Services measures the audiences of audio and video content on the Internet, commonly known as webcasts. The Company is developing the Portable People Meter, a new technology for radio, television and cable ratings. Arbitron's marketing and business units are supported by a world-renowned research and technology organization located in Columbia, Maryland. Arbitron has approximately 825 full-time employees; its executive offices are located in New York City.

Through its Scarborough Research joint venture with VNU, Inc., Arbitron also provides media and marketing research services to the broadcast television, magazine, newspaper, outdoor and online industries.

TAPSCAN® is a registered mark of TAPSCAN Inc., used under license.