GovDelivery And Zumbox Partner To Deliver Considerable Cost Savings And Paper Reduction Opportunities For Government

Digital Postal Mail Solution Now Available for GovDelivery Local, State and Federal Government Clients

ST. PAUL, MN and WESTLAKE VILLAGE, CA – August 24, 2010 – GovDelivery, the leading provider of
government-to-citizen communication solutions, and Zumbox, the leader in digital postal mail services,
today announced a partnership to aid government agencies and municipalities across the United States
in dramatically reducing the financial and environmental costs associated with sending paper mail.

GovDelivery is the most comprehensive communication platform supporting government-to-citizen
communication through all relevant channels including email, text messaging, and social media.
Government clients use GovDelivery to send out more than 200 million messages every month on a
range of topics including flu reports, natural disaster updates and changes to local park hours. With the
launch of the GovDelivery and Zumbox partnership, GovDelivery clients can electronically send postal
mail that is specific to an address, such as utility bills and license renewal reminders.

Zumbox connects large transactional, financial and government mailers to consumer households for the
delivery and storage of digital postal mail online. For every U.S. street address, there is a corresponding
Zumbox, and the service is available at no cost for citizens. Users open and verify their Zumbox account
by signing up and entering their residence address at www.zumbox.com which generates a verification
code that is delivered to their residence via the U.S. Postal Service. Zumbox provides users with a simple,
time-saving and environmentally responsible solution for digital postal mail with online recordkeeping of
documents forever, for free.

Digital postal mail provides many benefits for government mailers large and small, particularly when
compared to traditional paper mail. Benefits range from dramatic cost savings – as much as $.60 to $1.20
per resident per month – to faster collections, significant increases in paper suppression rates, and better
customer service.

“Zumbox is a great channel for government information delivery and is a natural extension to our digital
communication platform,” said Scott Burns, CEO and co-founder of GovDelivery. “Our government clients
have been asking for additional tools to accelerate efforts to reduce paper and mailing costs, and working
with Zumbox allows

GovDelivery and Zumbox will offer digital postal mail delivery free of charge to any of GovDelivery’s over
350 government clients provided they begin using the service in 2010. Over 15 million people are signed
up to receive updates from the government through GovDelivery with over 250,000 new registrations
every month. Any person with a physical mailing address can sign up for Zumbox at no charge.

“GovDelivery brings tremendous expertise in serving the government market and a blue chip list of clients
that will both benefit Zumbox as it expands in this new market for us,” said John Payne, CEO “We expect
to have a big impact for their customers and the citizens they serve, both financially and environmentally.”

About GovDelivery
GovDelivery is the leading provider of government-to-citizen communication solutions. GovDelivery’s
digital subscription management solution provides organizations with a fully-automated, on-demand
public communication system. Organizations using GovDelivery provide citizens with better service and
access to relevant information by proactively delivering new information through email, mobile text alerts,
RSS and social media channels. GovDelivery’s clients include the U.S. Departments of Defense, State,
Labor, Transportation, Treasury, Homeland Security, Justice, Health and Human Services, state agencies
across 30 states, the cities of Washington, D.C., and Minneapolis and hundreds of other organizations
across the public sector. GovDelivery is a partner company of Internet Capital Group (Nasdaq: ICGE). For
more information, visit http://www.govdelivery.com.

About Zumbox
Zumbox is the world’s first paperless postal system. It connects large transactional, financial and
government mailers to consumer households for the delivery and storage of digital postal mail via the
Internet. Digital postal mail is an exact facsimile of paper mail created from a redirection of the print
stream originally intended for large mailing systems. For every U.S. street address, there is a
corresponding Zumbox - a digital mailbox - enabling mail and other content to be sent as digital files and
received online. Zumbox represents a more cost-effective, convenient and environmentally responsible
way to deliver postal mail. As a closed system of known, verified mailers and recipients, Zumbox provides
bank-level security and complies with PCI, HIPAA and BITS security standards. For more information,
visit http://www.zumbox.com.

Media Contact:
Jennie Olson
Director of Marketing
651?757?4111
jennie.olson@govdelivery.com

Joergen Aaboe
Director of Marketing
818?707?7416
jaaboe@zumbox.com