X0202 4 2008-04-22 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 2008-04-22 4 S 0 200 22.34 D 439654 D Common Stock 2008-04-22 4 S 0 200 22.35 D 439454 D Common Stock 2008-04-22 4 S 0 400 22.37 D 439054 D Common Stock 2008-04-22 4 S 0 300 22.38 D 438754 D Common Stock 2008-04-22 4 S 0 300 22.39 D 438454 D Common Stock 2008-04-22 4 S 0 300 22.4 D 438154 D Common Stock 2008-04-22 4 S 0 800 22.41 D 437354 D Common Stock 2008-04-22 4 S 0 400 22.42 D 436954 D Common Stock 2008-04-22 4 S 0 200 22.43 D 436754 D Common Stock 2008-04-22 4 S 0 300 22.44 D 436454 D Common Stock 2008-04-22 4 S 0 100 22.45 D 436354 D Common Stock 2008-04-22 4 S 0 100 22.46 D 436254 D Common Stock 2008-04-22 4 S 0 200 22.48 D 436054 D Common Stock 2008-04-22 4 S 0 100 22.49 D 435954 D Common Stock 2008-04-22 4 S 0 200 22.5 D 435754 D Common Stock 2008-04-22 4 S 0 300 22.51 D 435454 D Common Stock 2008-04-22 4 S 0 100 22.53 D 435354 D Common Stock 2008-04-22 4 S 0 200 22.56 D 435154 D Common Stock 2008-04-22 4 S 0 100 22.59 D 435054 D Common Stock 2008-04-22 4 S 0 100 22.61 D 434954 D Common Stock 2008-04-22 4 S 0 100 22.72 D 434854 D Common Stock 2008-04-22 4 S 0 11 22.83 D 434843 D Common Stock 2008-04-22 4 S 0 89 22.84 D 434754 D Common Stock 2008-04-22 4 S 0 200 22.86 D 434554 D Common Stock 2008-04-22 4 S 0 17 22.89 D 434537 D Common Stock 2008-04-22 4 S 0 83 22.9 D 434454 D Common Stock 2008-04-22 4 S 0 100 22.98 D 434354 D Common Stock 2008-04-22 4 S 0 100 23.02 D 434254 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 2008-04-24