News Release

AECOM To Join S&P MidCap 400

LOS ANGELES--(BUSINESS WIRE)--Feb. 26, 2009-- AECOM Technology Corporation (NYSE: ACM), a leading provider of professional technical and management support services for government and commercial clients around the world, announced today that it has been selected to be included in the S&P MidCap 400 after the close of trading on Tuesday, March 3.

Introduced in 1991, the S&P MidCap 400 is the most widely used index for mid-sized companies. Membership in the S&P MidCap 400 is based on unadjusted market capitalization of US$750 million to US$3.3 billion. AECOM will be added to the S&P MidCap 400 GICS Construction & Engineering Sub-Industry index.

“Inclusion in the S&P MidCap 400 is a significant milestone for AECOM, as it places us among a highly respected group of companies,” said John M. Dionisio, AECOM president and chief executive officer. “We are honored by this recognition and look forward to delivering continued growth by leveraging AECOM’s diversified global business model.”

Standard & Poor's Index Services, the world’s leading index provider, maintains a wide variety of investable and benchmark indices to meet an array of investor needs. Its family of indices includes the S&P 500, an index with $1.5 trillion invested and $4.85 trillion benchmarked, and the S&P Global 1200, a composite index comprising seven regional and country headline indices.


AECOM (NYSE: ACM) is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities, environmental and energy. With more than 43,000 employees around the world, AECOM is a leader in all of the key markets that it serves. AECOM provides a blend of global reach, local knowledge, innovation, and technical excellence in delivering solutions that enhance and sustain the world's built, natural and social environments. AECOM serves clients in more than 100 countries and had revenue of $5.6 billion during the 12-month period ended December 31, 2008. More information on AECOM and its services can be found at

About S&P

Standard & Poor's, a division of The McGraw-Hill Companies (NYSE:MHP), is the world's foremost provider of financial market intelligence, including independent credit ratings, indices, risk evaluation, investment research and data. With approximately 8,500 employees, including wholly owned affiliates, located in 23 countries and markets, Standard & Poor's is an essential part of the world's financial infrastructure and has played a leading role for more than 140 years in providing investors with the independent benchmarks they need to feel more confident about their investment and financial decisions. For more information, visit

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Source: AECOM Technology Corporation

AECOM Technology Corporation
Paul Gennaro, 212-973-3167
SVP & Chief Communications Officer