Arbitron Releases Fall 2001 RADAR Radio Network Ratings; 31 Radar-rated Networks Reach 77 Percent of U.S. Consumers During a Typical Week.

Business Editors

NEW YORK--(BUSINESS WIRE)--Dec. 17, 2001

Arbitron Inc. (NYSE:ARB) announced today the release of its Fall 2001 RADAR(R) radio network audience report (RADAR 71) covering the 12-month period of October 11, 2000 to October 16, 2001.

RADAR (Radio's All Dimension Audience Research) is a national radio ratings service that measures audiences to radio commercials aired on 31 radio networks operated by ABC, American Urban Radio Network, Premiere and Westwood One. The service produces radio listening estimates using a 12,000-person telephone survey of persons age 12 and over throughout the United States.

Selected audience results from RADAR 71 (October 11, 2000 to October 16, 2001)

During the RADAR 71 survey period, 76.7 percent of U.S. consumers ages 12+ and 76.2 percent 18+ heard one or more network radio commercials in the course of a week. Among the prime audience demographics sought by advertisers, the commercials aired on the 31 radio networks reached:

      78.6 percent persons 12-34
      76.7 percent adults 18-24
      77.6 percent adults 18-34
      79.2 percent adults 25-54

      In addition, network radio reached upper-income adults. 91.6
percent of adults 18+ in households earning $70,000 or more are in the
network radio audience each week. Network radio commercials were heard
by 76.5 percent of working women and 79.1 percent of adults with a
college degree.

                 RADAR 71 - Fall 2001 Network Rankings
                    All Broadcasts: Mon-Sun 6A-12M
                       Persons 12+ / Total U.S.
                 October 11, 2000, to October 16, 2001

RADAR rated Network                 Audience      AQH Rating     Rank
                                      (000)           (%)
Westwood CNN Max Radio Network        6,988           3.0          1
Premiere Morning Drive AM Network xb  5,675           2.4          2
Premiere Diamond Network          xb  4,608           2.0          3

RADAR rated Network                 Audience      AQH Rating     Rank
                                      (000)           (%)

Premiere Morning Drive FM Network xb  4,166           1.8          4
Premiere Pulse Network                4,030           1.7          5
ABC Prime Radio Network               3,973           1.7          6
Premiere Focus Network            xb  3,836           1.6          7
Westwood Source Max Radio Network     3,525           1.5          8
Westwood Blaise Radio Network     xb  3,236           1.4          9
Premiere Action Network               3,150           1.3         10
American Urban Pinnacle Network   xb  2,942           1.2         11
Premiere Ruby Network             xb  2,941           1.2         12
Westwood Navigator Radio Network  xb  2,758           1.2         13
Premiere Axis Network             xb  2,508           1.1         14
Premiere Pearl Network                2,495           1.1         15
Premiere Emerald Network              2,423           1.0         16
ABC News/Talk Production Network  xb  2,391           1.0         17
Premiere Sapphire Network             2,238           1.0         18
ABC FM Radio Network              xb  2,212           0.9         19
ABC Young Adult Radio Network     xb  2,196           0.9         20
ABC Advantage Radio Network           2,173           0.9         21
American Urban Renaissance Network    2,116           0.9         22
ABC Genesis Radio Network             2,098           0.9         23
Westwood CBS Radio Network            1,985           0.8         24
ABC Platinum Radio Network            1,883           0.8         25
Westwood NBC Radio Network            1,773           0.8         26
Westwood NeXt Radio Network           1,616           0.7         27
ABC Urban Advantage Network           1,521           0.6         28
Westwood Edge Radio Network       xb  1,116           0.5         29
Westwood WONE Radio Network           1,004           0.4         30
ABC Galaxy Radio Network                755           0.3         31

      xb indicates no broadcasts in one or more of the component
dayparts that make up Monday-Sunday 6am-Midnight.

For a more detailed description of each of the RADAR-networks, go to http://www.arbitron.com/national_radio/radar_networks.htm

Arbitron purchased the RADAR(R) radio network audience measurement service from Statistical Research, Inc. (SRI), Westfield, New Jersey, on July 2, 2001. RADAR's unique combination of national radio audience measurement and an industry-standard commercial clearance collection and reporting system is designed to give advertisers increased confidence in network radio audience delivery.

About Arbitron

Arbitron Inc. (NYSE: ARB) is an international media and marketing research firm serving radio broadcasters, cable companies, advertisers and advertising agencies 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 Webcast 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, TV 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 750 full-time employees; its executive offices are located in New York City.

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

RADAR is a registered trademark of Arbitron Inc.

This press release is available on the Arbitron Web site at and the KCSA Web site at www.kcsa.com. You may register to receive Arbitron's future press releases or to download a complete Digital Investor Kit(TM) including press releases, regulatory filings and corporate materials by clicking on the "Digital Investor Kit" icon at www.kcsa.com