STAMPS.COM JOINS FORCES WITH U S WEST TO REACH CUSTOMERS OF THE LARGEST DSL SUPPLIER IN THE COUNTRY

Telecom Leader Selects Stamps.com’s Software-Only Solution as the
Premier Internet Postage(TM) Provider For Its Customers

SANTA MONICA, CA – January 13, 2000 – Stamps.comTM (Nasdaq: STMP), the leader in Internet Postage(TM) and shipping services, today announced a marketing alliance with U S WEST, the largest DSL supplier in the country, to provide Stamp.com’s service to small businesses and consumers across the country.

As part of this new alliance, Stamps.com will offer its free and easy-to-use Internet Postage software through U S WEST’s home page and the company’s Small Business Group. Targeting a similar customer base as Stamps.com — small businesses and consumers — U S WEST reaches 25 million customers in 14 states.

Stamps.com is the only Internet Postage service that requires no hardware or metering device and no start-up fees or long term contracts. Stamps.com is also the only Internet Postage provider to offer customer support 24 hours a day, seven days a week by phone, on e-mail and through live messaging.

“Working with a leading telecom company such as U S WEST is significant because it allows us to reach exactly the kind of people who are most likely to find online postage useful: small businesses and individuals who use the Internet,” said Chris Hylen, Sr. Vice President of Marketing at Stamps.com. “This new alliance will give us added exposure to DSL subscribers who have small businesses and home offices.”

“Our alliance with Stamps.com will definitely add value to our customers,” said U S WEST Vice President of Marketing Matt Scheuing. “This relationship aligns perfectly with our core business. By integrating Stamps.com’s convenient online postage service with our high-speed DSL Internet access, we are taking true small business & home business solutions one step further.”

About Stamps.com

Founded in 1996, Santa Monica-based Stamps.com is the only commercially approved true Internet Postage service. The company’s innovative technology eliminates the need for specialized hardware by giving customers the flexibility to print postage over the Internet – securely, accurately and fast. Through partnerships with major companies like America Online, IBM, Microsoft, MindSpring, Office Depot, Quicken.com and 3M, Stamps.com has tremendous reach into the small office/home office and consumer markets. More information about the company can be found at sdcmainprod.wpengine.com.

About U S WEST

U S WEST provides a full range of telecommunications and other services – including wireline, wireless PCS, data networking, directory and information services – to more than 25 million customers nationally and in 14 states. More information about U S WEST can be found on the Internet at http://www.uswest.com.

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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, 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 Form 10-Q for the quarter ended September 30, 1999 and its registration statement on Form S-4, as amended, that was filed with the SEC on January 7, 2000. Stamps.com and U S WEST undertake 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.

Internet Postage, Stamps.com and the Stamps.com logo are trademarks of Stamps.com Inc. All other brands and names are property of their respective owners.