AdForce and Engage to Enable Customer Profile Driven Internet Advertising.

ANDOVER, Mass.--(BUSINESS WIRE)--June 14, 1999--

CMGI, Inc. (Nasdaq:CMGI), and Engage Technologies, Inc., a provider of profile driven Internet marketing solutions and majority-owned subsidiary of CMGI, today announced that Engage and AdForce, Inc. (NASDAQ:ADFC), a provider of centralized online ad management services, have entered into an agreement to provide customer profile driven ad targeting services. The collaborative solution would combine AdForce's centralized online ad management system with Engage's Precision Profiling technology and consumer interest data from Engage Knowledge, a Web wide database containing over 30 million anonymous consumer interest profiles.

This strategic agreement licenses AdForce to deliver to its customers a more comprehensive ad targeting solution by augmenting existing targeting technologies with visitor profiled based targeting. Increasing ad sales through advertising effectiveness across diverse channels, sites and networks, would assist AdForce customers in strategically selling additional inventory with the intention of lifting overall CPMs. By combining the precision of direct marketing with AdForce's extensive reach across the Internet, advertisers will gain customer targeting efficiencies over AdForce's network.

"We are pleased to partner with Engage, a premier profile driven marketing solution provider with a clear privacy policy and relationship with CMGI," said Chuck Berger, CEO of AdForce. "Our combined technologies and services create another milestone in delivering one-to-one marketing. This agreement will leverage our outsourced advertising capabilities and will provide our customers with additional targeting options."

"We are pleased that AdForce has chosen Engage Knowledge and Engage's Precision Profiling technology to enhance AdForce's adserving and ad management services," said Paul Schaut, CEO of Engage. "With Engage profiling data and AdForce's extensive Internet reach, 58% as measured by MediaMetrix, AdForce can now offer advertisers the reach of mass marketing with the precision of direct marketing through profile enabled advertising."

About AdForce: (www.adforce.com)

AdForce is "The Force in .com Marketing(sm)" and a leading provider of centralized advertising services, enabling online publishers, ad rep firms and advertisers to leverage the unique advantages of the Internet as the first fully interactive medium. Deploying advanced scalable technology and backed by robust data centers, the AdForce service delivers billions of ad impressions monthly for prominent Internet advertisers and publishers to target, deliver, measure and analyze Internet advertising programs for the best results. AdForce has strategic relationships with America Online, Inc., and Experian (formerly Metromail). The company has offices in Cupertino, CA, Costa Mesa, CA, and New York, NY.

About CMGI:

A recognized leader in the Internet economy, CMGI (Nasdaq:CMGI) has built a substantial base of Internet operating companies and, through its @Ventures affiliate, has taken strategic positions in a growing series of synergistic Internet enterprises which enhance the value of its core holdings. This unique method of generating equity for its shareholders is what CMGI calls "creating net value." Microsoft, Intel, and Sumitomo hold minority positions in CMGI.

CMGI's majority-owned subsidiaries include Activerse, Adsmart, Engage, iCast, Magnitude Network, NaviSite, NaviNet, Planet Direct and ZineZone. The Company's @Ventures affiliates have ownership interests in Lycos, Inc. (Nasdaq:LCOS), Critical Path (Nasdaq:CPTH), Silknet (Nasdaq:SILK), Ancestry.com, Asimba, blaxxun, CarParts.com, Chemdex, eCircles.com, Furniture.com, HotLinks, KOZ.com, MotherNature.com, NextMonet.com, OneCore.com, Productopia, Promedix.com, Raging Bull, Softway Systems, Speech Machines, ThingWorld.com, Universal Learning Technology, Vicinity, Virtual Ink and Visto.

CMGI is also the majority-owner of SalesLink, InSolutions and On-Demand Solutions, leaders in the direct marketing, fulfillment and turnkey arenas. CMGI Corporate headquarters is located at 100 Brickstone Square, Andover, MA 01810. Telephone: [phone]. Fax: [phone]. Additional information is available on the company's Web site http://www.cmgi.com

About Engage:

Engage, a majority-owned subsidiary of CMGI, Inc., (Nasdaq:CMGI), offers profile driven Internet marketing solutions. In 1998, the completed merger with Accipiter, Inc., an industry leading online advertising management provider, facilitated the integration of Engage Web Visitor Precision Profiling technology with Accipiter online advertising solutions. On April 7, 1999, Engage acquired substantially all of the stock of I/PRO, a leader in World Wide Web traffic verification, analysis, and research. I/PRO operates as a wholly-owned subsidiary of Engage.

Engage and I/PRO solutions are in place across leading Web sites including beeb@ the BBC, Chicago Tribune, CNET, Dell Computer Corp., E! Online, Excite, Infoseek, Lycos, MSNBC, Netscape, NBC, Sony Online Entertainment, Ticketmaster, USA Networks, and USA TODAY Online. Engage corporate headquarters is located at 100 Brickstone Square, Andover, MA 01810 with offices in Chicago, London, Los Angeles, New York, Raleigh, Redwood City, San Francisco and Japan through Engage Technologies Japan. For more information on Engage, please visit www.engage.com

This press release contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Act of 1934, as amended. These statements are subject to the "safe harbor" created by those sections and include, but are not limited to: AdForce's expectation that the combined technologies will actually augment current advertising capabilities, resulting in increased ad sales. Actual results for future periods could differ materially from those predicted in these forward-looking statements. Factors that could cause actual events or results to differ include, but are not limited to AdForce's ability to successfully integrate new features and functionality with its existing technology to meet market demands, overall market acceptance of targeted advertising, AdForce's ability to maintain the performance and reliability of its systems, competitive pressures, continued consolidation in the industry affecting AdForce's customers or competitors, and other risks described in AdForce's Registration Statement on Form S-1, as amended, filed with the Securities and Exchange Commission. AdForce undertakes no obligation to update forward-looking statements to reflect events or circumstances occurring after the date of such statement.