Stamps.com to Present at Five Investor Conferences in February and March

LOS ANGELES, February 27, 2007 – Stamps.com^® Inc. (Nasdaq: STMP) is pleased to announce its participation in five investor conferences this February and March. Additional information is available on our Web site at http://investor.stamps.com or through the conference’s host.

Jefferies 3rd Annual Internet Conference
Wednesday, February 28, 2007
Presentation Time: 2:30 PM ET
The St. Regis Hotel
2 East 55th Street at 5th Avenue
New York, NY 10022
Web cast site: http://www.wsw.com/webcast/jeff15/stmp

2007 Montgomery Technology Conference
Tuesday, March 6, 2007
Presentation Time: 12:15 PM PT
Fairmont Miramar
101 Wilshire Blvd.
Santa Monica, CA 90401

Thomas Weisel Partner’s Internet & Digital Media Conference 2007
Wednesday, March 7, 2007
Presentation Time:  11:30 AM PT
The Four Seasons Hotel, San Francisco
757 Market Street.
San Francisco, CA 94103

JPMorgan Global Internet Conference
Tuesday, March 12, 2007
Presentation Time: 4:45 PM ET
The Westin New York at Times Square
270 West 43rd Street
New York, NY 10036

B. Riley & Co. 8th Annual Las Vegas Investor Conference
Tuesday, March 13, 2007
Presentation Time: 12:35 AM PT
The Palms Casino Resort
4321 West Flamingo Road
Las Vegas, NV 89103

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

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 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 30 million individual PhotoStamps have been shipped to 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.