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AECOM Acquires HLA-Envirosciences

Leading Australian environmental firm joins AECOM's ENSR unit

LOS ANGELES & SYDNEY, Australia--(BUSINESS WIRE)--June 4, 2007--AECOM Technology Corporation (NYSE: ACM), a leading provider of professional technical and management support services for government and commercial clients around the world, has announced the acquisition of HLA-Envirosciences (HLA), an environmental health and safety consulting and engineering firm with 250 staff and nine offices across Australia.

HLA will be aligned with ENSR, AECOM's global environmental management business, which offers comprehensive environmental, health and safety services to industry and government clients worldwide.

ENSR and HLA will merge operations to provide greater project management depth, expanded technical expertise and seamless service delivery for clients worldwide. With more than 2,200 staff serving clients in offices around the world, the combined firm has a strong presence throughout the United States, Australia, Asia, Europe and Latin America.

"The addition of HLA to the AECOM family is an important milestone in our goal of continuing to expand our strong, global environmental offering to our clients," said John M. Dionisio, AECOM president and chief executive officer.

Bob Weber, ENSR president and chief executive officer, echoed Dionisio's sentiment. "The collective capabilities of ENSR, HLA and AECOM's other Australia-based businesses play a key role in strengthening our position as a leading environmental specialist across the Australia and Asia markets."

Like ENSR, HLA is an environmental management and health and safety services firm that specializes in solving complex environmental problems throughout the business life cycle - from new asset development to ongoing operations, and final asset disposal and restoration. HLA brings to ENSR a strong focus on the energy, mining and defense industries, and has been recognized with multiple Consultant Excellence Awards from the Urban Development Institute of Australia.

"By joining forces with AECOM and ENSR, we can provide our clients with greatly expanded services," said Chris Kidd, HLA's managing director and senior principal. "For clients with international operations, we can offer a much broader platform for service delivery."


AECOM is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities and environmental. With more than 30,000 employees around the world, AECOM is a leader in all of the key markets that it serves. AECOM companies provide 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 60 countries and has annual revenue of approximately $3.4 billion. More information on AECOM and its services can be found at

About ENSR

ENSR is a leading global environmental firm serving industrial clients and government agencies with more than 2,200 professional staff serving clients in offices around the world. ENSR provides comprehensive consulting, engineering, remediation, and environmental health and safety (EHS) management solutions. ENSR has won numerous environmental and health and safety industry and client awards as well as awards from the Environmental Business Journal. For more information on ENSR:

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