SAN FRANCISCO, March 29, 2006-- The Board of Directors of ABM Industries Incorporated (NYSE:ABM) authorized the repurchase of up to two million shares of ABM's outstanding common stock at any time through October 31, 2006.  The authorized purchases would at most approximate four percent of the 49.3 million shares of ABM common stock outstanding on February 28, 2006.  The Company’s stock closed today at $17.83.

Purchases would be made from time-to-time through brokers and dealers on the New York Stock Exchange or in privately negotiated transactions with nonaffiliated stockholders.  The Company stated that the Board of Directors considers such purchases to be a prudent investment by the Company.

About ABM Industries
ABM Industries Incorporated is among the largest facility services contractors listed on the New York Stock Exchange. With 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.

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