STAMPS.COM BECOMES THE STANDARD IN INTERNET MAILING AND SHIPPING FOR TOP AUCTION RESOURCE AND TRADING SITES

Andale™, AuctionRover.com™, AuctionWatch.com And Swap.com Select Stamps.com
As The Number One Internet Mailing And Shipping Service For Power Sellers

SANTA MONICA, Calif. – March 15, 2000 – Stamps.com™ (Nasdaq: STMP), the leading provider of Internet mailing and shipping services, today announced its auction “Power Sellers” program with strategic alliances with leading online auction and resource sites. The new partnerships – Andale™, AuctionRover.com™, AuctionWatch.com and Swap.com – will allow online auction users and power sellers to take advantage of the convenience and time-savings of Stamps.com’s online mailing and shipping services.

“Stamps.com has taken bold steps to bring its service to an emerging market, the high volume online auction user,” said Loren Smith, president and COO of Stamps.com. “By securing partnerships with premier auction resource sites, Stamps.com offers buyers and sellers a value-added Internet service to see the sale from purchase to delivery. With Stamps.com, the seller can immediately determine the cost to ship a package with their courier of choice, and then print the appropriate shipping or postage label right from the desktop.”

The fastest-growing Internet mailing and shipping company with more than 150,000 customers to date, Stamps.com Internet Postage does not require the purchase of an additional hardware device, such as a meter, electronic vault or dongle. With just an online connection, computer and printer, Stamps.com customers are able to leverage the Internet to give them immediate access to purchase and print postage right from their desktop.

“Stamps.com provides auction power sellers a state-of-the-industry tool to enhance their auction experience. We’re pleased to have Stamps.com on board as our premier online mailing and shipping partner,” stated AuctionWatch.com CEO, Rodrigo Sales.

Details of new Stamps.com partnerships include:

  • Andale: Andale, Inc. is committed to providing its customers with a superior auction management product, both by innovating its own technology and by partnering with best-of-breed technology partners such as Stamps.com. In addition, Andale provides the industry’s only Service Level Agreement that guarantees availability and reliability to its customer base. Stamps.com’s valuable Internet Postage services will be promoted to Andale’s targeted power sellers through Web links and through distribution of Stamps.com software in Andale’s Internet Entrepreneur In-A-Box Kit.

  • AuctionRover: Online auction resource site AuctionRover will exclusively market and distribute Stamps.com software through Web links and emails. This partnership adds another key feature to AuctionRover’s AuctionManager™, a leading auction management system for quickly and easily listing items across multiple auction sites. AuctionRover enables sellers to post items across multiple auction sites such as eBay, Amazon and Yahoo! Auctions. AuctionRover’s proprietary cross-auction search engine, RocketRover™, provides an extensive, categorized and searchable index of leading auction sites, including the first licensed search of auction giant eBay.

  • AuctionWatch.com: AuctionWatch.com will incorporate Stamps.com’s as a key value-added service within the auction sales process and will promote the service to AuctionWatch.com ‘s influential power seller community through member correspondence and prominent Web site placement. With over 800,000 unique visitors per month (PC Data Online), AuctionWatch.com is a leading provider of auction services and information that enhance the buying and selling process. Ranked as one of the top-ten “stickiest” sites by NetRatings, AuctionWatch.com is widely recognized by both businesses and consumers as the one-stop resource for all of their auction needs.

  • Swap.com: An Idealab! company, Swap.com is the Internet’s only trading site for kids of all ages. From DVDs to video games, electronics to sports equipment, swappers can trade stuff they have, for stuff they want. The safe and controlled environment for teens and kids can be parent-monitored and includes the Secret Shipping(sm) option, which redirects packages so that mailing identities and addresses are not revealed to swapping partners. As Swap.com’s only Internet Postage provider, Stamps.com will be featured in Web promotions, and distributed in member e-mails.

About Stamps.com

Stamps.com™ is the leading provider of easy, convenient and cost-effective Internet mailing and shipping services to small businesses, large corporations and e-commerce vendors. Anchored by its partnerships with the U.S. Postal Service and United Parcel Service (UPS), Stamps.com creates an efficient marketplace whereby customers can choose the best carrier for any transaction based on cost comparisons and delivery options. With just an Internet connection, Stamps.com customers will have immediate access to select a carrier, print postage or multi-carrier shipping labels, schedule a pick-up and track a package.

Stamps.com has partnerships with major companies such as America Online, eBay, Hewlett-Packard, IBM, Intel, Mail Boxes Etc., Microsoft, Office Depot, Intuit and 3M. Visit sdcmainprod.wpengine.com for more information.

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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, including Stamps.com’s ability to manage its growth and the integration of iShip.com, could cause actual results to differ materially from those in the forward-looking statements and 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 declared by the SEC on February 14, 2000. 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.

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