X0202 4 2008-05-13 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 2008-05-13 4 M 0 14800 6.15 A 445154 D Common Stock 2008-05-13 4 S 0 100 24.09 D 445054 D Common Stock 2008-05-13 4 S 0 100 24.23 D 444954 D Common Stock 2008-05-13 4 S 0 100 24.25 D 444854 D Common Stock 2008-05-13 4 S 0 200 24.26 D 444654 D Common Stock 2008-05-13 4 S 0 200 24.27 D 444454 D Common Stock 2008-05-13 4 S 0 500 24.28 D 443954 D Common Stock 2008-05-13 4 S 0 1000 24.29 D 442954 D Common Stock 2008-05-13 4 S 0 700 24.3 D 442254 D Common Stock 2008-05-13 4 S 0 800 24.31 D 441454 D Common Stock 2008-05-13 4 S 0 200 24.32 D 441254 D Common Stock 2008-05-13 4 S 0 400 24.34 D 440854 D Common Stock 2008-05-13 4 S 0 800 24.35 D 440054 D Common Stock 2008-05-13 4 S 0 2300 24.36 D 437754 D Common Stock 2008-05-13 4 S 0 2400 24.37 D 435354 D Common Stock 2008-05-13 4 S 0 2600 24.38 D 432754 D Common Stock 2008-05-13 4 S 0 1900 24.39 D 430854 D Common Stock 2008-05-13 4 S 0 100 24.4 D 430754 D Common Stock 2008-05-13 4 S 0 300 24.41 D 430454 D Common Stock 2008-05-13 4 S 0 100 24.42 D 430354 D Stock Options (Right to buy) 6.15 2008-05-13 4 M 0 14800 0 D 2008-08-15 Common Stock 14800 193618 D Currently exercisable. 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 2008-05-14