X0306 4 2020-04-29 0000771497 ABM INDUSTRIES INC /DE/ ABM 0001539527 SCAGLIONE DIEGO ANTHONY 551 FIFTH AVENUE SUITE 300 NEW YORK NY 10176 1 EVP & Chief Financial Officer Common Stock 2020-04-29 4 S 0 3000.0000 35.0700 D 65520.0000 D The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on January 14, 2020. Includes 30,257 unvested restricted stock units, 2,984 vested restricted stock units, the receipt of which has been deferred, and 3,644 performance shares earned but not vested with respect to TSR performance shares granted on 9/11/2017. Such restricted stock units and performance shares include Dividend Equivalent Rights. By: David R. Goldman, by power of attorney 2020-04-30