Advertising.com Atop comScore Media Metrix's Ranking of Online Consumer Reach for Third Consecutive Year

Advertising Network Reaches 88% of U.S. Online Consumers According to comScore Media Metrix

BALTIMORE, MD -- (MARKET WIRE) -- May 31, 2007 -- Advertising.com Inc., a wholly owned subsidiary of AOL LLC, announced today that comScore Media Metrix has ranked the company's display advertising network as the number one source of online consumer reach for the 36th consecutive month.

In April 2007, ads served across the Advertising.com display network reached 88% of U.S. online consumers or 156,037,000 unique visitors. This reach surpasses all other entities measured by comScore Media Metrix, including those within its top property, ad-supported property and ad network rankings.

Network                 Unique Visitors      Percent Reach
-------                 ---------------      -------------
Advertising.com           156,037,000            87.6%
ValueClick                132,000,000            74.1%
Tribal Fusion             116,051,000            65.2%
Casale Media Network      115,617,000            64.9%
Blue Lithium              111,195,000            62.4%
Traffic Marketplace       107,788,000            60.5%
Specific Media            104,148,000            58.5%

"Advertising.com has long been the network leader in display advertising, as evidenced not only by our reach but also by our continued growth and success," said Lynda Clarizio, president of Advertising.com. "With the recent acquisition of Third Screen Media, and, in 2006, Lightningcast, our reach has grown even further to include mobile and video platforms. Whatever device, format or solution is next, look to Advertising.com to lead the way."

The Advertising.com network is also a leading source of international reach among advertising networks according to comScore Media Metrix April 2007 data:

Country          Unique Visitors  Percent Reach   Rank by Unique Visitors
                                                vs. Alternative Networks
-------          ---------------  -------------  ------------------------
United Kingdom      27,489,000        88.2%                  1
Germany             17,795,000        54.6%                  1
France              12,885,000        50.8%                  1
Spain*               8,068,000        59.2%                 N/A
Sweden*              3,893,000        74.0%                 N/A
Denmark*             2,066,000        67.9%                 N/A
Norway*              1,827,000        69.7%                 N/A

*Advertising.com is the only network measured by comScore Media Metrix in
Spain, Denmark, Sweden and Norway.

"Advertising.com is breaking new ground across the world," said Brendan Condon, managing director of Advertising.com International. "We recently launched operations in Japan and are growing throughout Europe. We look forward to expanding our industry-leading reach to these emerging markets."