STAMPS.COM DEBUTS PC POSTAGE VERSION 10.5, INTRODUCES USPS RATE SHOPPING ENGINE FOR E-COMMERCE SELLERS

EL SEGUNDO, Calif. – October 3, 2013 – Stamps.com® (Nasdaq:STMP), the leading provider of USPS postage online and shipping software to over 450,000 customers, today announced that it has launched PC Postage Version 10.5 software. The software introduces several new USPS products and services that lower shipping costs and improve time efficiency for small business owners and e-commerce sellers.

“With shipping rates changing every year, it can be a time-consuming process for shippers to ensure they are getting the most cost-efficient option for their packages. With the launch of Stamps.com Version 10.5, which includes the innovative USPS Rate Shopping Engine, shippers can now easily identify their best shipping options,” said Stamps.com Chairman and CEO Ken McBride. “The Rate Shopping Engine takes into consideration both the desired delivery time and the shipping cost, and highlights the best rate within the software. It’s simple, effective and cost-saving.”

Key features of Stamps.com Version 10.5:

Introducing the USPS Rate Shopping Engine
Designed for e-commerce sellers, this unique tool calculates the optimal mail class and shipping rate for packages. The tool automatically selects the best mail class based on cost, delivery date and package size, identifying the best rate for the shipment.

More printing options for Certified Mail® postage
Customers can now print Certified Mail postage directly on a plain piece of paper. The tracking barcode and postage will show through the special Certified Mail envelope window. Just print, fold and insert.

Faster Batch order processing
Our engineering team upgraded the Batch shipping feature. Now e-commerce sellers can process and print their shipping labels 49% faster than before.

New and existing customers can download Stamps.com PC Postage Version 10.5 for free at http://sdcmainprod.wpengine.com/download/.

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 currently has PC Postage partnerships with Avery, Microsoft, HP, the U.S. Postal Service and others.

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.

Stamps.com Investor Contact:
Stamps.com Investor Relations
(310) 482-5830
http://investor.stamps.com

Press Contact:
Eric Nash
Stamps.com
(310) 482-5942
[email protected]