Stamps.com Kicks Off NFL PhotoStamps

LOS ANGELES – September 22, 2006 – Stamps.com® (Nasdaq: STMP), the leading provider of Internet-based postage services, today announced the launch of PhotoStamps® featuring the entire NFL line-up of teams. The new PhotoStamps, created under a license with the NFL, are now available with designs featuring the team logos and helmet designs for all 32 NFL teams. Customers that order the NFL PhotoStamps by October 4, 2006 will also receive a unique collectible first release insignia on their sheet to mark the first ever release of postage featuring NFL logos.

“The NFL has an incredibly loyal fan base and we are excited to offer a new way for them to express their passion for their favorite teams,” said Ken McBride, Stamps.com President and CEO. “The new NFL PhotoStamps are a great gift for the sports lover and they will be a unique fan collector’s item.”

To order, customers simply visit www.photostamps.com and choose among 64 unique designs—two designs for each of the 32 NFL teams. Each specially designed sheet includes a team insignia and twenty 39-cent PhotoStamps. NFL PhotoStamps are valid postage and can be used just like ordinary postage to mail envelopes or postcards.

About Stamps.com and PhotoStamps

Stamps.com (Nasdaq: STMP) is a leading provider of Internet-based postage services. Stamps.com enables small businesses, enterprises, and consumers to print U.S. Postal Service-approved postage with just a PC, printer and Internet connection, right from their home or office. The Company targets its services to small businesses and home offices, and currently has partnerships with companies including Microsoft, CompUSA, EarthLink, HP, NCR, Office Depot, Vendio and the U.S. Postal Service.

PhotoStamps is a patented Stamps.com product that couples the technology of PC Postage with the simplicity of a web-based image upload and order process. Since launching PhotoStamps for the second market test in May 2005, more than 19 million individual PhotoStamps have been ordered by customers. PhotoStamps is currently available under authorization of the U.S. Postal Service for its third phase market test, with an initial authorization for one year through May 16, 2007 and an option for the Postal Service™ to extend the test for a second year. Photo NetStamps are available under the same market test as PhotoStamps.

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This release includes forward-looking statements about our anticipated results and available products that involve risks and uncertainties. Important factors, including the Company’s ability to complete and ship its products and obtain or maintain regulatory approval, 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, 2005, Quarterly Reports on Form 10-Q, and 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, the Stamps.com logo and PhotoStamps are trademarks or registered trademarks of Stamps.com Inc. All other brands and names are property of their respective owners.