PRESS RELEASE

Portland, OR – May 11th, 2011 – Tripwire, Inc. a global leader in IT Security and Compliance Automation solutions, today announced that leading private equity investment firm Thoma Bravo, LLC has entered into a definitive agreement to purchase Tripwire, Inc. The transaction aims to leverage Tripwire's excellent brand reputation and significant growth to expand its portfolio of solutions and further distinguish it as the marquee IT Security and Compliance Automation platform vendor.

The acquisition is expected to close by the end of May. Financial details were not disclosed. Tripwire will continue to operate as an independent entity and current CEO, Jim Johnson, will continue as CEO of Tripwire.

"Tripwire and Thoma Bravo are aligned in our goals to continue growing the company. The backing by Thoma Bravo allows us to stay focused and accelerates our vision," said Jim Johnson. "Tripwire customers will benefit from our dedication to customer service and our continued commitment to our VIA™ strategy."

"Thoma Bravo partners with existing management teams that have the vision to be leaders in their industries," said Seth Boro, Partner at Thoma Bravo. "We feel strongly that the Tripwire team will be a valuable partner as we solidify the company's leadership position in IT Security and Compliance Automation." "Thoma Bravo looks forward to implementing operational best practices alongside Tripwire's management team," added Thoma Bravo Vice President Robert Sayle. "Given that Tripwire has already built a solid brand reputation, Thoma Bravo is confident it can accelerate growth of the company through our buy and build strategy."

Steve Baloff, managing director at Advanced Technology Ventures, one of Tripwire's original investors in addition to Bessemer, BA Ventures and IVP, is very optimistic about the future prospects afforded by the Tripwire and Thoma Bravo partnership. Steve said, "The Tripwire management team, led by Jim Johnson, has done a tremendous job in building a world class franchise. In combination with the Thoma Bravo team, Tripwire has an exciting future."

"This acquisition marks an exciting opportunity for Tripwire and is great news for Oregon business as it keeps the talent and expertise in Portland," said William Lattin, Chairman of Tripwire Board of Directors. "We look forward to watching Tripwire's next phase of growth with Thoma Bravo."

Headquartered in Portland, Oregon, Tripwire has over 5,700 customers in 94 countries, serving 46% of Fortune 500 companies. Tripwire currently employs approximately 350 people around the world.

J.P. Morgan Securities LLC advised Tripwire as financial advisor, and Perkins, Coie served as legal counsel. Kirkland & Ellis served as legal counsel to Thoma Bravo.

About Tripwire, Inc. Tripwire is a leading global provider of IT security and compliance automation solutions that help businesses, government agencies, and service providers take control of their physical, virtual, and cloud infrastructure. Thousands of customers rely on Tripwire's integrated solutions to help protect sensitive data, prove compliance and prevent outages. Tripwire VIA™, the integrated compliance and security software platform delivers best-of-breed file integrity, policy compliance and log and event management solutions, paving the way for organizations to proactively achieve continuous compliance, mitigate risk, and ensure operational control through Visibility, Intelligence and Automation. Learn more at www.tripwire.com and @TripwireInc on Twitter.

About Thoma Bravo, LLC Thoma Bravo is a leading private equity investment firm that has been providing equity and strategic support to experienced management teams building growing companies for 30 years. The firm originated the concept of industry consolidation investing, which seeks to create value through the strategic use of acquisitions to accelerate business growth. Thoma Bravo applies its investment strategy across multiple industries, with a particular focus on the software and service sectors, and works in partnership with management to implement its operating and consolidation expertise to build long-term value. Thoma Bravo has completed more than 50 acquisitions across 17 platform companies with total annual earnings in excess of $1 billion. For more information on Thoma Bravo, visit www.thomabravo.com.