STAMPS.COM TO RELEASE FIRST QUARTER EARNINGS ON APRIL 17, 2001

Earnings Conference Call will be Broadcast Live over the Internet

Earnings Conference Call will be Broadcast Live over the Internet

SANTA MONICA, Calif. – Wednesday, April 11, 2001 – Stamps.com(TM) (Nasdaq: STMP) today announced that it plans to release its financial results for the first quarter, 2001, after the Nasdaq Stock Market closes on Tuesday, April 17, 2001, and will host a conference call at 5:00p.m ET that same day.

The conference call will be broadcast live at sdcmainprod.wpengine.com. For those unable to listen in at the designated time, an archived webcast of the call will be available on the company’s Website approximately one hour following the live call and will remain on the site for one month.

About Stamps.com

Stamps.com(TM) is the leading provider of Internet mailing and shipping services. Stamps.com Internet Postage(TM) is an Internet mailing and shipping solution for small businesses and home offices that allows customers to print U.S. Postal Service-approved postage on envelopes or labels with just a computer, printer and Internet connection. The iShip(TM) service from Stamps.com provides a powerful, Internet-based multi-carrier shipping solution that is more efficient and cost-effective than traditional paper-based or single-carrier solutions. Stamps.com has more than 300,000 customers. 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 the company’s ability to achieve profitability, 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 for the fiscal year ended December 31, 2000, and its Current Reports on Form 8-K. 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 iShip, and the Stamps.com and iShip logos are trademarks of Stamps.com Inc. All other brands and names are property of their respective owners.