BLSW Bridgeline Software (MM)

Bridgeline Software, Inc. (Nasdaq:BLSW), a developer of unified web application management software and award-winning interactive technology solutions, announced today that BtoB Magazine, a leading national publication for marketing strategists, has named Bridgeline as one of the top interactive technology companies in the United States for the second year in a row. Each year, BtoB Magazine exclusively honors the achievements of the top business-to-business agencies and interactive technology firms in the United States. Qualifying honorees for 2010 had to offer full-service interactive marketing communication services and were judged on exceptional work performed in 2009, their percentage of business that is b-to-b, client wins, and demonstrated growth of the business.

"This recognition by BtoB Magazine comes on the heels of recent honors from KMWorld Magazine and the CODiE Awards, and clearly illustrates the depth of Bridgeline's solution-oriented focus on interactive technology," said Bridgeline Software's President & CEO, Thomas Massie. "We not only bring to our customers award-winning web application management software, but are able to deliver world-class interactive solutions on that platform. We are extremely honored that once again, BtoB has chosen to recognize Bridgeline for the work that we do each day for our customers."

About BtoB

BtoB is a magazine for marketing strategists that delivers timely editorial on all disciplines of business-to-business marketing. Published monthly by Crain Communications Inc., BtoB provides more than 45,000 subscribers with the information and analysis they need to develop a winning integrated marketing strategy for their companies. Learn more at www.btobonline.com.

About Bridgeline Software

Bridgeline is a developer of web application management software and award-winning interactive business technology solutions that help organizations optimize business processes. The iAPPS Product Suite is an innovative SaaS solution that unifies Content Management, Analytics, eCommerce, and eMarketing capabilities -- enabling business users to swiftly enhance and optimize the value of their web properties.

Combined with award-winning interactive technology services by Microsoft Gold Certified development teams, Bridgeline helps customers to cost-effectively maximize the value of their rapidly changing web applications. Bridgeline's teams of developers specialize in web application development, usability engineering, SharePoint development, rich media development, and search engine optimization.

Bridgeline is headquartered near Boston with additional locations in Atlanta, Chicago, Cleveland, Denver, New York, Washington, D.C., and Bangalore, India. Bridgeline Software currently has over 600 customers ranging from middle market organizations to divisions within Fortune 1,000 companies that include: Healthcore, The Bank of New York Mellon, Marriott International, Berkshire Life, PODS, Honeywell, Budget Rental Car, Washington Redskins, AARP, National Financial Partners, The Packard Foundation, DTCC, Cadaret, Grant & Co., National Insurance Crime Bureau, the American Academy of Pediatrics, and Shaw Industries (a Berkshire Hathaway company). To learn more about Bridgeline, please visit www.bridgelinesw.com.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

All statements included in this press release, other than statements or characterizations of historical fact, are forward-looking statements. These forward-looking statements are based on our current expectations, estimates and projections about our industry, management's beliefs, and certain assumptions made by us, all of which are subject to change. Forward-looking statements can often be identified by words such as "anticipates," "expects," "intends," "plans," "predicts," "believes," "seeks," "estimates," "may," "will," "should," "would," "could," "potential," "continue," "ongoing," similar expressions, and variations or negatives of these words. These forward-looking statements are not guarantees of future results and are subject to risks, uncertainties and assumptions including the risks described in our filings with the Securities and Exchange Commission that could cause our actual results to differ materially and adversely from those expressed in any forward-looking statement. We expressly disclaim any obligation to update any forward-looking statement.

CONTACT: Bridgeline Software, Inc.

Brian Bolton, Vice President of Marketing

781.497.3013

bbolton@bridgelinesw.com