FOR IMMEDIATE RELEASE

Stamps.com Launches PhotoStamps for Mac OS X Version 10.4 'Tiger'

WWDC, SAN FRANCISCO, CA -- June 8, 2005 -- Stamps.com (Nasdaq:
(http://finance.yahoo.com/q?s=stmp&d=t)STMP), a leading provider of
Internet-based postage services, today announced the launch of PhotoStamps
for Mac. PhotoStamps, the popular form of postage that lets consumers turn
their digital photos, designs or images into valid U.S. postage, is now
available as a stand alone application that seamlessly integrates the
design and order process with images in the users' iPhoto libraries. The
application will be available later this month at
(http://www.photostamps.com)www.photostamps.com.

"Tiger and its development tools are incredibly advanced, allowing us to
easily create the integration," said Stamps.com President and CEO Ken
McBride. "Mac users are innovative and design-oriented, making them the
ideal target for PhotoStamps. We are excited to offer Mac users new
customization options for this popular product."

"The hundreds of new features in Tiger are changing the way people use the
computer," said Ron Okamoto, Apple's vice president of Worldwide Developer
Relations. "We're thrilled to see Stamps.com utilize the power and
innovation of Tiger to provide Mac users with the ability to create highly
customized PhotoStamps."

PhotoStamps for Mac offers advanced features, including unlimited color
options for borders. Tiger users will have additional image effects that
they can apply to the photo. People can use PhotoStamps to create
customized postage with pictures of their children, pets, vacations,
celebrations and more. PhotoStamps can be used as regular postage to send
letters, postcards or packages and are currently available for the most
common mail rates in denominations ranging from $0.23 to $3.85. Each sheet
includes 20 individual PhotoStamps.

Ordering PhotoStamps is easy. Consumers simply upload a digital photograph
or image file, customize the look and feel by choosing from thousands of
border colors to complement the image, select the value of postage and
place the order. The interface is fun, functional and incredibly
easy-to-use.

About Stamps.com and PhotoStamps

Stamps.com (Nasdaq: (http://finance.yahoo.com/q?s=stmp&d=t)STMP -
(http://finance.yahoo.com/q/h?s=stmp)News) is a leading provider of
Internet-based postage services. Stamps.com enables over 375,000 customers
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
partnerships with companies including Microsoft, CompUSA, EarthLink, HP,
NCR, Office Depot, Vendio and the U.S. Postal Service.

PhotoStamps is a patented Stamps.com product that couples the technology of
PC Postage with the simplicity of a web-based image upload and order
process. PhotoStamps was extremely popular during the initial market test
which was announced on Aug. 10, and ran through Sept. 30, 2004. During that
7 1/2 week period, more than 2.75 million individual PhotoStamps were
ordered. PhotoStamps is expected to be available under authorization of the
U.S. Postal Service for a second, year-long market test beginning May 17,
2005.