Bright Light Corrects and Replaces Management Change Announcement.

SAN FRANCISCO--(BUSINESS WIRE)--May 17, 1999--

NetGravity President and CEO Appointed to Bright Light Board

Bright Light Attracts Accomplished Internet Services

Executive to Board of Directors

Bright Light Technologies, Inc. (www.brightlight.com), a leading email services company, announced today the appointment of Eric W. Spivey, 38, to its board of directors.

Mr. Spivey will contribute his extensive experience in building Internet and information businesses to help guide the evolution of Bright Light's rapidly expanding Bright Mail Anti-Spam Service and its future email-based services.

"Eric's roots and contacts in the Internet Service Provider community as well as his grasp of the value-added services that those companies and their customers need now and in the future make him an ideal addition to our board," said Sunil Paul, CEO and founder of Bright Light Technologies. "We are pleased that he has joined us and feel he will play an indispensable role in the evolution of Bright Light."

Prior to his recent appointment as president and CEO of NetGravity Inc. (Nasdaq:NETG), Spivey was chairman and CEO of Netcom On-Line Communications Services, Inc., a $165 million global Internet firm with 850 employees and over 500,000 customers. He joined the company in 1996 as president of Netcom International, where he successfully established operations in Canada, U.K., and Brazil. Before joining Netcom, he held senior executive positions with Dun & Bradstreet and A.C. Nielsen across North America, Europe, Asia-Pacific and Latin America. Mr. Spivey holds a Bachelor of Arts degree from the University of California - Santa Barbara and a Master's of Business Administration from the University of Texas - at Austin.

"Bright Light has identified and delivered a solution to one of the Internet's most critical problems, spam, and has assembled an impressive set of industry partners and customers committed to deploying that solution," said Eric Spivey. "I look forward to helping Bright Light identify, build and deliver new email services that, like the current Bright Mail service, improve the email experience for consumer and business users."

Mr. Spivey will join current Bright Light board members Sunil Paul; Bud Colligan, partner at Accel Partners and former Chairman and CEO of Macromedia; and Mark Pincus, President, CEO, and founder of Tioga Systems. In addition to its board members, the company benefits from working with an influential group of investors and advisors, which includes Andreas Bechtolsheim, founder of Granite Systems and co-founder of Sun Microsystems; Esther Dyson, chairman of EDventure Holdings; Carter McClelland, Co-Director of Investment Banking, NationsBanc Montgomery Securities LLC; and Ben Rosen, chairman and acting CEO of Compaq Computer Corporation.

About Bright Light Technologies

Bright Light Technologies develops advanced email services and software to enhance the quality and utility of email. Its first product, the Bright Mail(TM) Anti-Spam Service, fights unsolicited bulk email -- otherwise known as spam -- which is one of the biggest obstacles to the continued evolution of the Internet and e-business. Delivery of the service began in December 1998. The company currently provides anti-spam filtering services (via ten Spam Wall(TM) site locations) to networks comprised of over three million email customers. Twenty-two Global Probe Network(TM) partners contribute email addresses to enable spam detection and abatement through the 24x7-manned Bright Light Operations Center(TM) (BLOC). Probe partners include AT&T WorldNet, Concentric Network, Earthlink, Excite, FastNet, FlashNet, Juno Online Services and USA.NET. Bright Light has formed technology and distribution partnerships with email system providers Netscape, Sendmail and Software.com. More information about Bright Light products and services can be found at www.brightlight.com.

Note to Editors: Bright Light Technologies is a registered trademark and Bright Mail, Probe Network, Spam Wall and Bright Light Operations Center are trademarks of Bright Light Technologies, Inc. All other brands or products are trademarks or registered trademarks of their respective holders and should be treated as such.