X0202 4 2008-04-23 0000778164 Pacific Ethanol, Inc. PEIX 0001052192 CASCADE INVESTMENT LLC 2365 CARILLON POINT KIRKLAND WA 98033 0 0 1 0 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 0 0 1 0 Common Stock 2008-04-23 4 S 0 200 3.37 D 992524 D Common Stock 2008-04-23 4 S 0 600 3.35 D 991924 D Common Stock 2008-04-23 4 S 0 100 3.34 D 991824 D Common Stock 2008-04-23 4 S 0 200 3.32 D 991624 D Common Stock 2008-04-23 4 S 0 100 3.31 D 991524 D Common Stock 2008-04-23 4 S 0 1200 3.30 D 990324 D Common Stock 2008-04-23 4 S 0 3100 3.29 D 987224 D Common Stock 2008-04-23 4 S 0 4600 3.28 D 982624 D Common Stock 2008-04-23 4 S 0 2800 3.26 D 979824 D Common Stock 2008-04-23 4 S 0 5484 3.25 D 974340 D Common Stock 2008-04-23 4 S 0 4116 3.24 D 970224 D Common Stock 2008-04-23 4 S 0 500 3.23 D 969724 D Common Stock 2008-04-23 4 S 0 350 3.22 D 969374 D Common Stock 2008-04-23 4 S 0 8250 3.21 D 961124 D Common Stock 2008-04-23 4 S 0 11300 3.20 D 949824 D Common Stock 2008-04-23 4 S 0 3300 3.19 D 946524 D Common Stock 2008-04-23 4 S 0 13300 3.18 D 933224 D Common Stock 2008-04-23 4 S 0 21600 3.17 D 911624 D Common Stock 2008-04-23 4 S 0 18100 3.16 D 893524 D Common Stock 2008-04-23 4 S 0 800 3.15 D 892724 D * Duly authorized under Special Power of Attorney appointing Michael Larson attorney-in-fact, dated February 3, 2006, by and on behalf of William H. Gates III, filed as Exhibit 99.1 to Cascade Investment, L.L.C.'s Amendment No. 2 to Schedule 13G with respect to Arch Capital Group Ltd. on March 7, 2006, SEC File No. 005-45257, and incorporated by reference herein. Cascade Investment, L.L.C. By: /s/ Michael Larson, Business Manager 2008-04-25 William H. Gates III By: /s/ Michael Larson*, Attorney-In-Fact 2008-04-25