X0306 4 2018-12-21 0000771497 ABM INDUSTRIES INC /DE/ ABM 0001539527 SCAGLIONE DIEGO ANTHONY ONE LIBERTY PLAZA 7TH FLOOR NEW YORK NY 10006 1 EVP & Chief Financial Officer Common Stock 2018-12-21 4 A 0 8781.0000 0.0000 A 53722.0000 D Common Stock 2018-12-21 4 A 0 1745.0000 0.0000 A 55467.0000 D Common Stock 2019-09-12 4 A 0 101.0000 0.0000 A 55568.0000 D Common Stock 2019-09-12 4 F 0 1053.0000 36.8500 D 54515.0000 D Represents the number of shares earned in connection with performance shares previously granted on 1/12/2016, based on achievement of certain targets in the period ended 10/31/2018. Inadvertently, these performance shares were not reported at the time they were earned (12/21/2018), but were reported on a subsequent Form 4 disclosing their vesting and payout on 1/12/2019. As a result, none of these performance shares are being added to the reporting person's beneficial ownership total in this Form 4 to avoid double-counting. Represents the number of shares earned in connection with TSR performance shares previously granted on 9/12/2016, based on TSR performance in the 3-year period ended 10/31/2018 as compared to the S&P SmallCap 600 Index. Such TSR performance shares vested on 9/12/2019. Inadvertently, these TSR performance shares were not reported at the time they were earned (12/21/2018). Dividend equivalent rights (DERs) accrued on earned TSR-performance shares under the 2006 Equity Incentive Plan. Each DER is the economic equivalent of one share of ABM common stock. Includes 25,807 unvested RSUs and 2,955 vested RSUs, the receipt of which has been deferred, and DERs relating to the unvested and vested RSUs, adjusted to reflect the cumulative effect of fractional shares. By: David R. Goldman, by power of attorney 2019-09-16