SAN FRANCISCO – August 2, 2005 –ABM Industries Incorporated (NYSE:ABM) today announced that Erin M. Andre has been named Senior Vice President, Human Resources. In her position, Andre will be responsible for managing all human resource functions for the company, including employee compensation, benefits and stock administration.

“We are pleased to welcome Erin to our management team,” said Henrik C. Slipsager, president and CEO of ABM Industries. “Erin’s extensive experience in human resources management and employee development, combined with her familiarity with the service industry, will prove invaluable as we continue to develop our most important asset – the employees of ABM. We look forward to having Erin work closely with our division presidents and our corporate team to enhance our HR programs and systems,” he added.

Prior to joining ABM, Andre most recently served as Vice President, Human Resources for National Energy and Gas Transmission Incorporated (“NGET”) where she was responsible for establishing and building the Human Resources department and infrastructure. In that role, she directed all HR activities for more than 2,000 multi site union and non-union employees. Before joining NGET, Andre worked at PG&E Corporation and its various subsidiary companies for more than 19 years. She held a number of increasingly responsible positions within Human Resources at PG&E, including Director, Human Resources Planning and Development.

A Bay Area native, Andre attended University of the Pacific and earned a Bachelor of Science degree in public administration.

About ABM Industries:

ABM Industries Incorporated is among the largest facility services contractors listed on the New York Stock Exchange. With fiscal 2004 revenues in excess of $2.4 billion and more than 73,000 employees, ABM provides janitorial, parking, security, engineering and lighting services for thousands of commercial, industrial, institutional and retail facilities in hundreds of cities across the United States and British Columbia, Canada. The ABM Family of Services includes ABM Janitorial; Ampco System Parking; ABM Security Services, which includes American Commercial Security Services (ACSS) and Security Services of America (SSA); ABM Facility Services; ABM Engineering; and Amtech Lighting Services.