NWN Corporation Recognized on the Everything Channel Fast Growth 100 List Strategic Organic and Acquisition Growth Attributed to 87th Ranking

October 25, 2010

Waltham, MA, September 28, 2010 – NWN Corporation, a leading systems integration company, today
announced that it has been recognized by Everything Channel on the CRN Fast Growth 100 list. The list
recognizes solution providers with growth rates in excess of 26 percent, average two-year revenue
growth of 110 percent, and average annual sales of products and services of $120.8 million. The ranking
is based on two years’ growth of net sales from calendar year 2007 to calendar year 2009.

With 2009 net sales of $209,000,000, NWN had a 31.85% increase in gross revenue and ranked 87th on
the list. Contributing to this achievement was the acquisition of Sacramento, CA-based Western Blue.

CEO Mont Phelps stated, “It’s been a great honor to, again, be in Everything Channel’s Fast Growth 100
List. Contributing to our success is our product and service offerings; our highly-certified engineers; and
the work ethics of our teams.”

“The Fast Growth 100 are channel innovators and mavericks who are growing in considerable size and
influence. As business-oriented IT consultants, these organizations work closely with customers to
identify multivendor IT solutions to solve their business problems. We congratulate NWN Corporation on
their well-earned success despite current economic conditions,” said Kelley Damore, Vice President,
Editorial Director for Everything Channel.

The Fast Growth awards will be presented Oct. 21 at the 2010 Fast Growth conference at the Hyatt
Regency in Boston. To learn more about the Fast Growth 100, visit the Fast Growth Community at
crn.community.com. The Fast Growth community is a forum for leading channel executives to exchange
ideas, share best practices and engage in discussions about effective channel management programs.
The forum features exclusive content such as blogs from the Fast Growth winners themselves.

About NWN Corporation

NWN Corporation, a certified woman-owned business, provides clients with a complete range of end-toend
IT services and solutions. The company brings clients the premier products in the industry,
tailored to their specific needs and situations. These include technologies from Cisco, Microsoft, HP,
EMC and many others. Clients include private and public sector organizations in every line of
work including major banks, universities, manufacturers, hospitals, and state and local government
agencies. NWN solutions include Application Development; Data Center and Virtualization; End User
Computing; IT Staffing; nCare® Managed Services; Network Infrastructure; Security; Smart
GovernmentTM; and Unified Communications and Collaboration.

With eleven branches throughout the eastern US, Western US and in Texas, NWN provides IT services
and solutions to clients operating locally, nationally and internationally. In addition to corporate
headquarters and a branch in Waltham, MA, NWN serves clients with branches in Farmington, CT; Mt.
Laurel, NJ; Raleigh, NC; Greensboro, NC; Charlotte, NC; Greenville, SC; Houston, TX; Fresno, CA;
Sacramento, CA and Salt Lake City, UT.

Everything Channel
Everything Channel is the premier provider of IT channel-focused events, media, research, consulting,
and sales and marketing services. With over 30 years of experience and engagement, Everything
Channel has the unmatched channel expertise to execute integrated solutions for technology executives
managing partner recruitment, enablement and go-to-market strategy in order to accelerate technology
sales. Everything Channel is a UBM company. To learn more about Everything Channel, visit us at

http://www.everythingchannel.com.

About United Business Media Limited (www.unitedbusinessmedia.com)
UBM (UBM.L) focuses on two principal activities: worldwide information distribution, targeting and
monitoring; and, the development and monetization of B2B communities and markets. UBM’s
businesses inform markets and serve professional commercial communities – from doctors to game
developers, from journalists to jewelry traders, from farmers to pharmacists – with integrated events,
online, print and business information products. Our 6,500 staff in more than 30 countries are organized
into specialist teams that serve these communities, bringing buyers and sellers together, helping them to
do business and their markets to work effectively and efficiently.

Contacts

Jill Aaronson

Everything Channel

(516) 562-7847

Jillian.aaronson@ec.ubm.com

Chari Darneal

NWN Corporation

916.669.2338

cdarneal@NWNIT.com