Stamps.com Third Quarter 2008 Financial Results Call Invitation

LOS ANGELES, CA--(Marketwire - October 3, 2008) - Stamps.com® (NASDAQ: STMP), the intelligent online postage alternative to a postage meter, today announced an invitation to join the Stamps.com Third Quarter 2008 Financial Results Conference Call. The call will take place Thursday, October 23, 2008 at 5:00 pm ET and will be web cast from our Investor Relations Web site at http://investor.stamps.com. The third quarter 2008 earnings press release will precede the earnings call at 4:30 pm ET on October 23, 2008.

If you have any questions, please call Stamps.com Investor Relations at (310) 482-5830 or e-mail us at invrel@stamps.com.

We look forward to your participation.

This message is not an offer to sell securities and is not soliciting an offer to buy securities.

About Stamps.com and PhotoStamps

Stamps.com (NASDAQ: STMP) is a leading provider of Internet-based postage services. Stamps.com's online postage service 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 PC Postage partnerships with Avery Dennison, Microsoft, EarthLink, HP, NCR, Office Depot, the U.S. Postal Service and others.

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. PhotoStamps is currently available under authorization of the U.S. Postal Service for its fourth phase market test with an authorization through May 16, 2009. Customers may create full custom PhotoStamps with their own digital photograph, or they may choose a licensed image from one of many PhotoStamps collections such as NFL®, Collegiate, and now the limited edition American Idol® collection. Since launching PhotoStamps in May 2005, more than 60 million individual PhotoStamps have been shipped to customers. Stamps.com currently has PhotoStamps partnerships with Apple, Google/Picassa, HP/Snapfish, Adobe, and others.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: This release includes forward-looking statements about our anticipated results and our PhotoStamps spend that involve risks and uncertainties. Important factors, including the Company's ability to complete and ship its products, maintain desirable economics for 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 year ended December 31, 2007, 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.

Contact Information: Stamps.com Investor Contact: Stamps.com Investor Relations (310) 482-5830 http://investor.stamps.com Press Contact: Dena Cook Brew Media Relations (310) 600-7160 dena@brewpr.com