X0303 4 2010-12-15 0 0000868857 AECOM TECHNOLOGY CORP ACM 0001163359 GRIEGO LINDA M C/O AECOM TECHNOLOGY CORPORATION 555 S. FLOWER STREET, SUITE 3700 LOS ANGELES CA 90071 1 0 0 0 Common Stock 2010-12-15 4 S 0 63 27.93 D 7485 D Common Stock 2010-12-15 4 S 0 134 27.92 D 7351 D Common Stock 2010-12-15 4 S 0 82 27.91 D 7269 D Common Stock 2010-12-15 4 S 0 305 27.90 D 6964 D Common Stock 2010-12-15 4 S 0 102 27.89 D 6862 D Common Stock 2010-12-15 4 S 0 276 27.88 D 6586 D Common Stock 2010-12-15 4 S 0 1198 27.87 D 5388 D Common Stock 2010-12-15 4 S 0 87 27.86 D 5301 D Common Stock 2010-12-15 4 S 0 71 27.85 D 5230 D Common Stock 2010-12-15 4 S 0 181 27.84 D 5049 D Common Stock 2010-12-15 4 S 0 55 27.83 D 4994 D Common Stock 2010-12-15 4 S 0 71 27.82 D 4923 D Common Stock 2010-12-15 4 S 0 158 27.81 D 4765 D Common Stock 2010-12-15 4 S 0 110 27.80 D 4655 D Common Stock 2010-12-15 4 S 0 87 27.79 D 4568 D Common Stock 2010-12-15 4 S 0 387 27.78 D 4181 D Common Stock 2010-12-15 4 S 0 55 27.77 D 4126 D Common Stock 2010-12-15 4 S 0 102 27.76 D 4024 D Common Stock 2010-12-15 4 S 0 194 27.75 D 3830 D Common Stock 2010-12-15 4 S 0 174 27.74 D 3656 D Common Stock 2010-12-15 4 S 0 324 27.73 D 3332 D Common Stock 2010-12-15 4 S 0 481 27.71 D 2851 D Restricted Stock Unit Common Stock 1744 1744 D Stock Option 11.485 2005-11-02 2012-05-02 Common Stock 10000 10000 D Stock Option 12.535 2006-09-02 2013-03-02 Common Stock 10000 10000 D Stock Option 15.405 2007-09-02 2014-03-02 Common Stock 10000 10000 D Stock Option 27.00 2008-08-28 2015-02-28 Common Stock 10000 10000 D Stock Option 21.010 2010-03-05 2016-03-05 Common Stock 10000 10000 D Stock Option 28.67 2011-03-05 2017-03-05 Common Stock 4956 4956 D The sales in this Form 4 were made pursuant to an election to sell shares to assist with the tax liability associated with the settlement of the common stock units. Each restricted stock unit represents a contingent right to receive one share of AECOM common stock. The restricted stock units vest on March 5, 2011. 2 0f 2 /s/ David Y. Gan, Attorney-in-Fact for Linda M. Griego 2010-12-17