X0202 4 2008-05-06 0000799729 PAREXEL INTERNATIONAL CORP PRXL 0001007706 VON RICKENBACH JOSEF H PAREXEL INTERNATIONAL CORPORATION 200 WEST STREET WALTHAM MA 02451 1 1 0 0 Chairman & CEO Common Stock 2008-05-06 4 S 0 600 25.62 D 438454 D Common Stock 2008-05-06 4 S 0 300 25.63 D 438154 D Common Stock 2008-05-06 4 S 0 500 25.64 D 437654 D Common Stock 2008-05-06 4 S 0 100 25.65 D 437554 D Common Stock 2008-05-06 4 S 0 100 25.66 D 437454 D Common Stock 2008-05-06 4 S 0 100 25.67 D 437354 D Common Stock 2008-05-06 4 S 0 100 25.68 D 437254 D Common Stock 2008-05-06 4 S 0 242 25.7 D 437012 D Common Stock 2008-05-06 4 S 0 400 25.71 D 436612 D Common Stock 2008-05-06 4 S 0 58 25.73 D 436554 D Common Stock 2008-05-06 4 S 0 1201 25.74 D 435353 D Common Stock 2008-05-06 4 S 0 1099 25.75 D 434254 D Common Stock 2008-05-06 4 S 0 300 25.76 D 433954 D Common Stock 2008-05-06 4 S 0 100 25.77 D 433854 D Common Stock 2008-05-06 4 S 0 200 25.79 D 433654 D Common Stock 2008-05-06 4 S 0 400 25.8 D 433254 D Common Stock 2008-05-06 4 S 0 100 25.81 D 433154 D Common Stock 2008-05-06 4 S 0 200 25.82 D 432954 D Common Stock 2008-05-06 4 S 0 200 25.83 D 432754 D Common Stock 2008-05-06 4 S 0 200 25.84 D 432554 D Common Stock 2008-05-06 4 S 0 100 25.85 D 432454 D Common Stock 2008-05-06 4 S 0 100 25.86 D 432354 D Common Stock 2008-05-06 4 S 0 200 25.88 D 432154 D Common Stock 2008-05-06 4 S 0 300 25.9 D 431854 D Common Stock 2008-05-06 4 S 0 400 25.91 D 431454 D Common Stock 2008-05-06 4 S 0 100 25.92 D 431354 D Common Stock 2008-05-06 4 S 0 100 25.93 D 431254 D Common Stock 2008-05-06 4 S 0 200 25.94 D 431054 D Common Stock 2008-05-06 4 S 0 200 25.99 D 430854 D Common Stock 2008-05-06 4 S 0 500 26 D 430354 D The reported sale was effected by a broker pursuant to instructions set forth in a Rule 10b5-1 trading plan adopted by the reporting person. Josef H. von Rickenbach 2008-05-08