SAN FRANCISCO – December 12, 2006 – The Board of Directors of ABM Industries Incorporated (NYSE: ABM) has declared an all-time-high first quarter cash dividend of $0.12 per common share payable on February 5, 2007 to stockholders of record on January 12, 2007. This will be ABM’s 163rd consecutive quarterly cash dividend, and is $0.01 (9.1%) above the $0.11 per share quarterly dividend rate declared and paid for the first quarter of 2006.

About ABM Industries

ABM Industries Incorporated (NYSE:ABM) is among the largest facility services contractors listed on the New York Stock Exchange. With fiscal 2006 revenues in excess of $2.7 billion and more than 75,000 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.