Parsons appoints president of Water & Infrastructure Group

PASADENA, CA, August 13, 2007 -- Parsons announces the appointment of Richard "Rich" Wankmuller as President of Parsons Water & Infrastructure Inc. (PWI), effective August 6, 2007. In his new role, Wankmuller will be responsible for the business unit's worldwide operations.

PWI, a primary business unit of Parsons Corporation, provides customers worldwide with full-service engineering, construction, and management services in water, wastewater, and ports. Parsons is one of the largest 100% employee-owned engineering and construction firms in the United States, operating in more than 30 countries.

Wankmuller comes to Parsons after 17 successful years with MWH Global where he most recently held the position of President, Business Solutions Group, and also served as a director of the parent company, having served on the MWH Global Board of Directors for the last six years. Prior executive roles include a Brussels-based assignment with MWH as President of their Europe, Middle East, Africa, and India region and as Chief Operating Officer for MWH's U.S. municipal and federal services.

"Rich will be a valuable addition to PWI," stated Jim McNulty, Parsons Chairman and CEO. "His executive-level experience and knowledge of water/wastewater engineering and alternate delivery mechanisms will help us expand our business unit and increase our market share."

Wankmuller has more than 25 years of experience in program management, engineering, construction, and information technology, including running some of the world's largest water and infrastructure programs.

"I'm truly honored to join Parsons in this capacity, and I'm excited to have the opportunity to further the development of the corporation's rapidly expanding Water & Infrastructure group," said Wankmuller.

Wankmuller holds two degrees in civil engineering: a master's from Oregon State University and a bachelor's from the University of Delaware. He will be based in Pasadena, California.

Parsons, celebrating more than 60 years of setting industry standards, is a leader in many diversified markets such as water, transportation, construction, education and public buildings, infrastructure, planning, commercial, industrial manufacturing, communications, environmental, healthcare, life sciences, critical facilities, nuclear and special materials, and homeland security. Parsons provides technical and management solutions to private industrial customers worldwide, as well as federal, regional, and local government agencies.

###