ABM Industries Schedules Third Quarter Earnings Announcement and Investor Webcast

Early the next day, on Thursday, September 8, 2005 at 6:00 a.m. (PDT), ABM will host a live webcast of remarks by President & Chief Executive Officer Henrik C. Slipsager, and Executive Vice President & Chief Financial Officer George B. Sundby. Individuals interested in participating in the conference call are asked to register at 415/733-4061 by Thursday, September 1, 2005.

The webcast will be accessible at www.irconnect.com/primecast/05/q3/abm_3q2005.html
Listeners are asked to be online at least fifteen minutes early to register, as well as to download and install any complimentary audio software that might be required. Following the call, the webcast will be available at this URL for a period of one year.

In addition to the webcast, a limited number of toll-free telephone lines will also be available for listeners who are among the first to call 877/440-9648 within fifteen minutes before the event. Telephonic replays will be accessible during the period from two hours to seven days after the call by dialing 800/642-1687, and then entering ID # 9050893.

ABM Industries Incorporated

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, which includes American Commercial Security (ACSS) and Security Services of America (SSA); ABM Facility Services; ABM Engineering; and Amtech Lighting Services.

About Ampco System Parking

Established in 1966, Ampco System Parking is an industry leader in the operation of parking facilities. As a subsidiary of ABM Industries we have the strength, financial, and technological support to remain the most progressive and innovative parking service provider in the country.

Ampco System Parking is committed to providing the highest standard for customer service as well as client service. Currently we provide our services to clients nationwide; from locations with 10 stalls to those with more than 10,000 parking stalls. We manage all types of facilities with a variety of customer needs. The types of facilities we currently manage include airports, colleges and universities, commercial office complexes, hotels, municipalities, retail/entertainment complexes, transportation shuttle services, hospitals and medical centers, shopping malls, and special event venues.