Harris Williams & Co. Advises ENTRIX, Inc. on its Sale to International Strategic Buyer Cardno Limited

June 11, 2010

Harris Williams & Co. announces the sale of ENTRIX, Inc. (ENTRIX), a portfolio company of The Riverside Company (Riverside), to strategic buyer Cardno Limited (Cardno). The transaction closed on June 10, 2010. Harris Williams & Co. acted as the exclusive advisor to ENTRIX. The transaction was led by Ned Valentine and Jim Reinhart.

"ENTRIX is a market leader in the environmental and natural resource management consulting industry with a track record of high quality service, innovation, and growth. Dan Taylor, Chairman, and Todd Williams, CEO, have positioned ENTRIX extremely well to provide business solutions to its clients in the face of multiple natural resource and economic constraints, including water resource and energy conservation. ENTRIX will serve as an ideal platform for Cardno to expand its presence in the U.S. and we look forward to watching the success of this partnership," said Ned Valentine, managing director at Harris Williams & Co.

ENTRIX (www.entrix.com) is one of the largest pure-play providers of environmental and natural resource consulting services in the U.S. The company specializes in water resources management, environmental risk management, facility permitting and compliance, and natural resource economics. ENTRIX has 615 staff located across 30 offices throughout the U.S. and international branches in Canada, Ecuador and Peru. ENTRIX was founded in 1984 and is headquartered in Houston, TX.

Riverside (www.riversidecompany.com) is a global private equity firm focused on acquiring leading small and medium-sized enterprises with a value of up to $200 million, and partnering with strong management teams to enhance the success of its companies through acquisitions and organic growth. Since its founding in 1988, the firm has invested in 231 transactions with a total enterprise value of $5.0 billion.

Cardno (www.cardno.com.au) is an integrated professional services provider, delivering the specialist expertise necessary to create and improve the physical and social infrastructure that underpins communities around the world. Cardno's team includes leading professionals who plan, design, manage and deliver sustainable projects or community programs. Cardno is an international company, listed on the Australian Securities Exchange [ASX: CDD].