Your Stamps.com $80 Offer

FREE 5lb Digital Scale

As a new Stamps.com customer you will receive a FREE 5 lb. Digital Scale. The scale is a $50 value and is yours to keep with no additional obligation. Just pay for shipping and handling (typically $9.99 or less).

$25 Postage Offer

As a new Stamps.com customer you will receive $5 in free postage that you can use during your trial period. After you complete your trial period, you are eligible for an additional $20 in postage. We will give you two $10 postage coupons. You can redeem one coupon per month once you complete your trial.

FREE Supplies Kit

To help you get started we will ship you a free Supplies Kit that includes free postage labels to use with the service (a $5 value). However, you don't need to wait for the Supplies Kit to arrive in order to print postage. You can immediately take advantage of features such as printing shipping labels on plain paper or printing postage directly on envelopes!

Stamps.Com Fourth Quarter And Fiscal Year 2004 Financial Results Call Invitation

LOS ANGELES, January 21, 2005 – This is an invitation to join the Stamps.com (Nasdaq: STMP – News) Fourth Quarter and Fiscal Year 2004 Financial Results Conference Call. The call will take place Thursday, February 17, 2005 from 2:00pm to 3:00pm ET. The dial–in number is (913) 981–5533 (no passcode necessary). Additionally, the call will be web cast via the Investor Relations website at http://investor.stamps.com. The Fourth Quarter Earnings press release will precede the Earnings Call at 8am ET on February 17, 2005.

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!

Stamps.com Investor Contact:
Austin Rettig
Director, Investor Relations
(310) 482–5822
http://investor.stamps.com

The Stamps.com financial results conference call will be web cast today at 2:00 p.m. Eastern Time and may be accessed at investor.stamps.com. The Company plans to discuss its business outlook during the conference call. Following the conclusion of the web cast, a replay of the call will be available at the same location.

About Stamps.com

Stamps.com (Nasdaq: STMP – News) is a leading provider of Internet–based postage services. Stamps.com enables customers to print U.S. Postal Service–approved postage with just a PC, printer and Internet connection. The company targets its services to small businesses, home offices, and individuals, and currently has partnerships with companies including Auctionwatch, CompUSA, Earthlink, HP, Microsoft, NCR, Office Depot and the U.S. Postal Service.

“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 complete its products and obtain 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, 2003, 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.