STAMPS.COM ANNOUNCES TEN NEW MARKETING AND DISTRIBUTION PARTNERSHIPS

Company to Offer Its Software-only Internet Postage(TM) Service to Millions of Small Businesses By Teaming up With Leading Companies, Including MindSpring and inc.com

SANTA MONICA, Calif. – December 20, 1999 – Stamps.com (Nasdaq: STMP) today announced ten new partnerships that will significantly expand distribution of its software-only Internet Postage™ service to small businesses.

Through new joint marketing programs and promotions with companies including AllBusiness.com, allbizdepot.com, Day-Timers, Inc., DYMO, Fax4Free.com, inc.com, Insight, Interland, liveprint.com and MindSpring Enterprises, Stamps.com continues to increase access to its service for small offices and home offices. 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 provide customer support 24 hours a day, seven days a week by phone, on e-mail and through live messaging.

“The best way to make our Internet Postage service available to the small office and home office users who can benefit from it the most, is by continuing to expand our partnerships with world-class companies that appeal to small businesses,” said Chris Hylen, senior vice president of Marketing at Stamps.com. “By doing so, we are reaching millions within our target market and are better able to leverage the strengths of our partners to increase our customer base.”

Details of the partnerships are listed below.

  • AllBusiness.com: Stamps.com will be the exclusive Internet Postage service on this premier web site for small and growing businesses (http://www.allbusiness.com). AllBusiness.com provides business owners with a single point of access to essential services, products, tools and information, including downloadable business forms, how-to articles and expert advice, helping them to start, manage and grow their business.

  • allbizdepot.com: Stamps.com is the exclusive provider of Internet Postage for allbizdepot.com (http://www.allbizdepot.com), the definitive, one-stop solution center for small businesses and startups looking for assistance in moving their businesses to the Web. Stamps.com will be featured in the mailing and shipping areas of allbizdepot.com, providing small business customers with a more comprehensive online resource to save them time and help them work more productively.

  • Day-Timers, Inc.: Stamps.com’s Internet Postage technology will be integrated into Day-Timers’ contact management software products (http://www.daytimers.com), including Day-Timer Organizer®, Organizer 2000 and Day-Timer AddressBook® 2000. Stamps.com will provide Day-Timers’ customers with yet another quality tool to keep them on schedule, while saving them valuable time and money.

  • DYMO: DYMO, the world’s leading brand of desktop label printers, will bundle Stamps.com Internet Postage technology with its LabelWriter® label printers. This will provide SOHO users with an easy way to print address and Internet Postage labels for envelopes, flats and packages, without having to feed envelopes or sheets of labels through standard printers. DYMO LabelWriter printers were the first label printers to receive approval from the USPS to print Internet Postage and are available through a wide variety of distribution channels.

  • Fax4Free.com: As part of the exclusive distribution agreement with Fax4Free (http://www.fax4free.com) the world’s free Web-based communication service, the Stamps.com name will be included on millions of Fax4Free cover pages with links provided on the user e-mail confirmations and in all quarterly e-mails to Fax4Free’s growing customer base. As a corporate sponsor of Fax4Free, Stamps.com will also be a featured link on Fax4Free’s home page.

  • inc.com: Stamps.com is the premier provider of Internet Postage on inc.com (http://www.inc.com), a name that has long been synonymous with small and growing businesses. Inc.com empowers its users by aggregating best-of-breed content, in part through relationships with a select number of companies that offer some of the industry’s most pragmatic solutions for business management.

  • Insight (Nasdaq: NSIT): Links to Stamps.com’s Web site and special offers will be featured on Insight’s Web site (http://www.insight.com). Both Insight and Stamps.com will provide links to special co-branded web pages on their respective sites where customers can take advantage of special offers and promotions from both companies. Insight also will market Stamps.com’s Internet Postage™ service by e-mailing its innovative e-catalogs and e-postcards to customers.

  • Interland: A worldwide leader in turnkey Web hosting solutions, Interland (http://www.interland.com) will make the Stamps.com’s Internet Postage service available to thousands of its small- and medium-sized business customers. As part of the agreement, Interland will offer Stamps.com’s service as part of its hosting plans, enabling users to conveniently print postage directly onto envelopes, labels or business documents using only a computer, printer and Internet connection.

  • liveprint.com: As the premier destination on the Web for marketing communications solutions, liveprint.com (http://liveprint.com) enables Stamps.com’s small-businesses customers to create, design and fulfill marketing pieces–such as business cards, stationery and promotional items–within minutes and with a few simple mouse clicks. Soon, liveprint.com customers will be able to mail their customized newsletters and other direct mail pieces using postage from Stamps.com, the site’s exclusive provider of Internet Postage.

  • MindSpring Enterprises: MindSpring, a leading Internet service provider focused on delivering exceptional customer service and technical support to its users, will be bundling Stamps.com software on various retail distributed installation CDs as well as providing a link to Stamps.com via their web site. Additionally, Stamps.com is the premier postage provider on the national ISP’s new business portal, the MindSpring BIZ Resource Center (http://www.mindspringbiz.com), which is designed to provide MindSpring’s business customers with a complete package of Internet access and Web-based tools for small businesses.

About Stamps.com

Stamps.com offers a convenient, cost-effective and easy-to-use service for purchasing and printing postage over the Internet. Its core service is approved by the US Postal Service and is currently the only commercially available offering that requires no additional hardware to purchase and print postage; the user’s existing PC, printer and Internet setup are sufficient. Through partnerships with major companies like America Online, IBM, Microsoft, Office Depot, Quicken.com and 3M, Stamps.com targets the small office/home office and consumer markets. More information about the company can be found at sdcmainprod.wpengine.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-1, as amended, that was declared effective by the SEC on December 6, 1999.

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.