X0304 4 2012-02-06 0 0000771497 ABM INDUSTRIES INC /DE/ ABM 0001335123 Andre Erin M 551 FIFTH AVENUE SUITE 300 NEW YORK NY 10176 0 1 0 0 Senior VP - Human Resources Common Stock 2012-02-06 4 A 0 43 23.06 A 10817 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 5,359 RSUs and DERs relating to the RSUs, adjusted to reflect the cumulative effect of fractional shares, and 1,760 performance shares earned but not vested with respect to performance shares granted on 1/11/2010 and 1/11/2011 and DERs related thereto. By: Barbara L. Smithers, by power of attorney 2012-02-07