SPRINT ENTERS INTO CO-MARKETING AGREEMENT WITH STAMPS.COM TO REACH
OWNERS OF HOME-BASED BUSINESSES

SANTA MONICA, Calif. – May 17, 2000 -Stamps.com™ (Nasdaq: STMP), the leading provider of Internet mailing and shipping services, and Sprint (NYSE: FON) today announced the companies have entered into an agreement to deliver value-added services to owners of home-based businesses and offices.

Sprint will sponsor Stamps.com’s new customer welcome kit and will offer up to $90 in free Internet Postage™ when customers sign-up for Sprint long-distance services. Additionally, Sprint will promote Stamps.com to its targeted home office customer base through Internet Postage CD mailings, bill inserts, inbound customer calls and other marketing activities.

“Both Stamps.com and Sprint are committed to providing value-added services to home office customers,” said John Payne, chairman and CEO, Stamps.com.

“In addition to adding value to our customers, we want to add convenience and affordable products that simplify their telecommunications needs,” said Larry Porterfield, vice president, Marketing and Sales, Sprint. “We are continuously striving to find new solutions to help home office customers bring efficiency to their business.”

To learn more about this offer, or to enroll, visit www.sprint.com/homeoffice or call 1-800-304-2219.

About Stamps.com

Stamps.com™ is the leading provider of easy, convenient and cost-effective Internet mailing and shipping services to 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 creates an efficient marketplace whereby 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.

About Sprint

Sprint is a global communications company – at the forefront of integrating long-distance, local and wireless communications services, and one of the largest carriers of Internet traffic. Sprint operates and built the United States’ first nationwide all digital, fiber-optic network and is a leader in advanced data communications services. Sprint has $20 billion in annual revenues and serves more than 20 million business and residential customers.

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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.