Stamps.com to Present at Investor Conferences Sponsored by B. Riley & Co., Craig-Hallum, and Needham & Co.

LOS ANGELES, CA--(Marketwire - May 21, 2012) - Stamps.com® (NASDAQ: STMP), the leading provider of USPS® postage online and shipping software to over 400,000 customers, today announced that its Co-President and Chief Financial Officer, Kyle Huebner, will present an overview of Stamps.com's business at investor conferences sponsored by B. Riley & Co., Craig-Hallum, and Needham & Co.

The 13^th Annual B. Riley Investor Conference will be held at the Loews Santa Monica Beach Hotel in Santa Monica, CA. Mr. Huebner will present on Tuesday, May 22, 2012 at 9:30 a.m. Pacific Time.

The Craig-Hallum Institutional Investor Conference will be held at The Marriott City Center Minneapolis in Minneapolis, Minnesota. Mr. Huebner will present on Wednesday, May 30, 2012 at 1:55 p.m. Central Time.

The 7^th Annual Needham Internet & Digital Media Conference will be held at the Jumeirah Essex House in New York, NY. Mr. Huebner will present on Tuesday, June 5, 2012 at 2:00 p.m. Eastern Time.

Additional details for these conferences, including live audio webcast links, are available on our investor relations website at http://investor.stamps.com.

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 Dennison, 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.