ABM Industries Responds to World Trade Center Tragedy.

Business & News Editors

SAN FRANCISCO--(BUSINESS WIRE)--Sept. 11, 2001

Speaking from San Francisco mid-morning today, President and Chief Executive Officer Henrik Slipsager of ABM Industries Incorporated (NYSE:ABM) confirmed that the World Trade Center in New York is the Company's largest single job site, with annual sales of approximately $65 million (3% of ABM's consolidated revenues) and upwards of 800 operating engineers, janitorial workers and lighting technicians from three subsidiaries of the Company working various shifts throughout the day and night. "We're very concerned about the well-being of those employees and all other occupants and neighbors of the Center, as well as the rescue and other emergency service personnel now at that location. Our thoughts and prayers are with them, and with their families, co-workers and other friends. It is, of course, far too early for us to assess the human and financial toll of this tragedy."

ABM Industries Incorporated is the largest facility services contractor listed on the New York Stock Exchange. With annualized revenues in excess of $1.9 billion and more than 60,000 employees, ABM provides air conditioning, elevator, engineering, janitorial, lighting, parking and security services at thousands of commercial, industrial, institutional and retail facilities in hundreds of cities across North America. The ABM Family of Services includes American Building Maintenance, Ampco System Parking, American Commercial Security (ACSS), Amtech Elevator, Amtech Lighting, ABM Engineering, ABM Janitorial, and CommAir Mechanical.