X0306 4 2018-02-05 0 0000771497 ABM INDUSTRIES INC /DE/ ABM 0001376429 Kesavan Sudhakar ONE LIBERTY PLAZA 7TH FLOOR NEW YORK NY 10006 1 0 0 0 Common Stock 2018-02-05 4 A 0 52 34.96 A 24286 D Dividend equivalent rights (DERs) accrued on the restricted stock units granted under the 2006 Equity Incentive Plan. DERs vest in the same manner as the restricted stock units to which they relate. Each DER is the economic equivalent of one share of ABM common stock. Includes 10,473 RSUs and DERs relating to the RSUs, adjusted to reflect the cumulative effect of fractional shares. By: Barbara L. Smithers, by power of attorney 2018-02-06