STAMPS.COM™ APPOINTS SENIOR VICE PRESIDENT AND GENERAL MANAGER OF ENTERPRISE STRATEGIC BUSINESS UNIT

Enterprise SBU Also Unveils iShip™ Enterprise Service at Mailcom 2000

SANTA MONICA, Calif. – May 3, 2000 – Stamps.com™ (Nasdaq: STMP), the leading provider of Internet mailing and shipping services, today announced that David Duckwitz, former senior vice president of Computer Associates (CA), has joined the company as the new senior vice president and general manager of its Enterprise Strategic Business Unit (SBU). The Enterprise SBU also unveiled today its iShip™ Enterprise Service to attendees at Mailcom 2000 in Atlantic City, NJ (Atlantic City Convention Center, Booth #1418). The iShip solution enables corporate employees to compare multi-carrier shipping service options, track shipments, print labels and pre-process mailroom shipments from any Web-enabled desktop within the company.

Stamps.com recently announced the organization of the company around three SBUs: Enterprise, Small Business and E-commerce. As general manager of the Enterprise SBU, which provides Fortune 1000 companies an Internet-based, multi-carrier mailing and shipping service, Duckwitz will direct its revenue, sales and marketing and operations.

“David Duckwitz has a proven track record in the enterprise application software industry and we’re very pleased to have him on the Stamps.com executive team,” said Stamps.com Chairman and CEO John Payne. “David has solid management experience in the technology sector, specifically in the sales and marketing discipline. With the recent unveiling of the iShip Enterprise Service and David at the helm, I believe we’ve got the winning formula for success. His leadership and sales and marketing strengths will ensure our company’s continued rapid growth in the enterprise marketplace.”

“There’s a tremendous opportunity for the Enterprise SBU as evidenced by the positive response the iShip Enterprise Service is already receiving,” said Duckwitz. “I enjoy challenges and am excited to be a part of the Stamps.com Enterprise SBU. I see a tremendous opportunity for Stamps.com to take the leadership position in the online shipping space for large businesses, as many corporations have yet to realize the potential of the Internet to enhance and streamline their operations.”

Duckwitz has more than 15 years of experience in the application software industry. The past six years were spent at Computer Associates, International, where he held several senior management positions, including senior vice president of worldwide sales, interBiz Supply Chain Group. While in this position he was responsible for launching sales of the company’s e-Business applications targeted in the manufacturing and logistics enterprise space. Duckwitz was formerly employed by ASK Group, which was acquired by CA, and also spent five years (1985-1990) with Hewlett-Packard.

Duckwitz received a bachelor’s degree in computer information systems from California State Polytechnic University, Pomona.

About Stamps.com

Stamps.com™ is the easiest, smartest way to mail or ship letters, packages or small parcels anywhere and at anytime. Anchored by its partnerships with the U.S. Postal Service and United Parcel Service (UPS), Stamps.com has three customer-centric business units focused on providing its unique Internet mailing and shipping solutions to small businesses, large corporations and e-commerce companies. Stamps.com’s services allow any size business to choose the best carrier, cost and delivery terms for every mailing or shipping transaction based on sophisticated, real-time rating, tracking and pricing tools.

Stamps.com has strategic 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.

“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, which could cause actual results to differ materially from those in the forward-looking statements, are detailed in filings with the Securities and Exchange Commission made from time to time by Stamps.com, including its annual report on Form 10-K/A for fiscal year ended December 31, 1999. 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.

Stamps.com and the Stamps.com logos are trademarks of Stamps.com Inc. All other brands and names are property of their respective owners.