STAMPS.COM INTEGRATES WITH VOLUSION® E-COMMERCE SOFTWARE

LOS ANGELES-June 29, 2010-Stamps.com® (Nasdaq:STMP), the leading provider of USPS® postage online and shipping software solutions to approximately 400,000 customers, today announced its new integration with Volusion®, the leading provider of e-commerce software. Volusion powers the storefronts of over 20,000 online businesses, including National Geographic, Motorola and Disney.

Available at no additional cost to new and existing Stamps.com customers, the new shopping cart shipping integration allows Volusion customers to print USPS postage for all mail classes, including Priority Mail®, Express Mail®, Media Mail®, Parcel Post® and First Class Mail® International, via the Stamps.com XML format. It also allows Volusion users to verify shipping addresses with CASS-certified Stamps.com software, batch print up to 1,000 labels at a time and take advantage of Stamps.com’s popular Hidden Postage™ feature.

“We continually collaborate with leading companies to provide valuable tools for our customers. Stamps.com complements our platform by providing Volusion customers with online postage services. This partnership further enhances the e-commerce experience by simplifying order processing and delivery tasks for merchants,” said Clay Olivier, Volusion COO/CMO.

In 2009, Volusion customers processed over $2 billion in e-commerce transactions. From one easy-to-use interface, Stamps.com will enable them to manage and fulfill orders from eBay®, Yahoo! Merchant, Google Checkout™, Paypal® Shops and their own web stores.

“Volusion provides one of the most revolutionary and respected shopping cart software solutions on the market, and Stamps.com is pleased to add value for Volusion customers by making the shipping process faster and easier than ever before,” said Stamps.com president and CEO Ken McBride.


About Stamps.com

Stamps.com (Nasdaq: STMP) is a leading provider of Internet-based postage services. Stamps.com’s service enables small businesses, high-volume shippers, enterprise shippers, 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 PC Postage partnerships with Avery Dennison, Microsoft, HP, Office Depot, USPS and others.


About Volusion

Volusion is the leader in shopping cart software for online businesses. Over the last 10 years, thousands of companies have used Volusion to succeed online, including market leaders such as Disney, Motorola, Chicago Tribune, Michigan State University and Crutchfield. For more information about Volusion, please visit http://www.volusion.com.


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