Emissions

Carolyn Chin elected to CH2M HILL board of directors

DENVER, Colo., May 6, 2003 — Technology, marketing, and financial expert Carolyn Chin was elected to the CH2M HILL Board of Directors at the firm’s annual shareholders meeting in Denver.

Chin is chairman of C3 Partners, a consulting firm that advises companies and non-profits on strategy, marketing, e-commerce, technology and general management. She also is chairman of the Board of Commtouch (Nasdaq), a provider of anti-SPAM solutions.

Chin also served as chairman of the Board and interim CEO for KindMark, a provider of e-philanthropy technology and services. Her other prior experience includes senior positions at MarketXT, Reuters America, IBM, Citibank, AT&T, Macy’s, and the U.S. Departments of Housing and Urban Development and Health, Education, Welfare. At IBM, she was the founder and general manager of e-Commerce Services worldwide, laying a foundation for IBM’s leadership in e-Business.

“It is a great honor to be chosen to serve on the CH2M HILL Board of Directors,” Chin said. “CH2M HILL is admired and respected by customers and employees for its competency and strong sense of responsibility and business ethics. I look forward to working with the company’s very capable team.”

“Ms. Chin brings a wealth of experience and knowledge to the CH2M HILL Board of Directors. Her management experience and background in information technology, along with broad industry experience, especially in financial services, are exceptionally valuable to CH2M HILL. She is a savvy business leader whose expertise provides her with an understanding of the challenges we face in today’s very competitive business environment,” said Ralph R. Peterson, CH2M HILL chairman, president and CEO. “We are very fortunate to have Ms. Chin as a member of our Board of Directors.”

In addition to her position on the CH2M HILL Board of Directors, Chin has served on corporate boards and advisory boards including: Allegiance Bank; EJV Partners; Citicorp Retail Services; MediaPearls; Northwestern Mutual Life; Global Asset Management; Avis; Horton; and Swissotel.

Her non-profit involvement includes Committee for Economic Development (CED), Business Executives for National Security (BENS), American Management Association (AMA), NYC Outward Bound, Committee of 100, and Redford Institute.

She also served as a member of the U.S. delegation to the Dartmouth Conferences for bilateral discussions with the USSR, and she was a U.S. delegate to bilateral discussions with China on trade and Taiwan.

Chin received an MBA from the Harvard Business School and a bachelor’s degree in Engineering from Rensselaer Polytechnic Institute and was a White House Fellow. She currently resides in New York City and New Jersey.

CH2M HILL is an employee-owned, global firm providing engineering, construction, operations, and related technical services to public and private clients in numerous industries. The firm’s work is concentrated in the areas of water, energy, environment, transportation, communications, construction and industrial facilities. Headquartered in Denver, CH2M HILL has more than 10,500 employees working in 165 offices worldwide, where respect for the environment is reflected in safe, innovative and environmentally sound work practices.