STAMPS.COM EXPANDS MARKETING AND DISTRIBUTION PLATFORM FOR ITS INTERNET MAILING
AND SHIPPING SERVICES

Company Inks New Deals With ADP, NetLedger and Register.com

SANTA MONICA, Calif. – March 30, 2000 – Stamps.com(TM) (Nasdaq: STMP), the leading provider of Internet mailing and shipping services, today announced three new partners – ADP, NetLedger and Register.com (Nasdaq: RCOM) – which will expand the marketing and distribution platform of the company’s mailing and shipping services.

“By broadening our partnership portfolio, we are bringing the convenience of our service to more online users than ever before,” said Robert Pickell, vice president of marketing for Stamps.com. “Additionally, these new alliances will bring our customers even more value-added services from our partners.”

Details of the new Stamps.com partnerships include:

  • Register.com: Register.com (www.register.com), a leading registrar of Internet domain names, has created a Mailing and Shipping category in its Business Resources area in which Stamps.com will be prominently positioned. Stamps.com is also being included on the Register.com “Getting Started” page.

  • ADP: ADP’s Emerging Business Services Division is the world’s leading provider of integrated business administrative solutions that help small business clients efficiently manage their internal processes, allowing them to focus on core competencies. ADP will market and promote Stamps.com’s service to more than 10 million small businesses at the Emerging Business Services Web site, www.ebs.adp.com, and plans to distribute Stamps.com’s Internet Postage(TM) software with ADP payroll materials delivered to current clients. Additionally, ADP will include an article about the benefits of Stamps.com services in quarterly newsletters sent to ADP customers nationwide.

  • Register.com: Register.com (www.register.com), a leading registrar of Internet domain names, has created a Mailing and Shipping category in its Business Resources area in which Stamps.com will be prominently positioned. Stamps.com is also being included on the Register.com “Getting Started” page.

  • NetLedger: As the world’s first provider of a Web-based accounting solution to small businesses, NetLedger will be promoting Stamps.com through its online Business Services Directory at its Web site (www.netledger.com). Additionally, NetLedger will promote Stamps.com in marketing materials distributed to NetLedger’s small business customer base.

  • Register.com: Register.com (www.register.com), a leading registrar of Internet domain names, has created a Mailing and Shipping category in its Business Resources area in which Stamps.com will be prominently positioned. Stamps.com is also being included on the Register.com “Getting Started” page.

About Stamps.com

Stamps.com™ is the leading provider of easy, convenient and cost-effective Internet mailing and shipping services for small businesses, large corporations and e-commerce vendors. Anchored by its partnerships with the U.S. Postal Service and United Parcel Service (UPS), Stamps.com’s customers can choose the best carrier for any transaction based on cost comparisons and delivery options. With just an Internet connection, Stamps.com customers will have immediate access to select a carrier, print postage or multi-carrier shipping labels, schedule a pick-up and track a package.

Stamps.com has partnerships with major companies such as America Online, eBay, Hewlett-Packard, IBM, Intel, Mail Boxes Etc., Microsoft, Office Depot, Intuit and 3M. Visit sdcmainprod.wpengine.com for more information.

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“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This release may contain forward-looking statements that involve risks and uncertainties. Important factors, including Stamps.com’s ability to manage its growth and the integration of iShip.com, could cause actual results to differ materially from those in the forward-looking statements and are detailed in filings with the Securities and Exchange Commission made from time to time by Stamps.com, including its Form 10-Q for the quarter ended September 30, 1999 and its registration statement on Form S-4, as amended, that was declared by the SEC on February 14, 2000. Stamps.com undertakes no obligation to release publicly any revisions to any forward- looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

Internet Postage, Stamps.com, the Stamps.com logo, iShip.com, and the iShip.com logo are trademarks of Stamps.com Inc. All other brands and names are property of their respective owners.