X0202 4 2008-05-20 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 2008-05-20 4 M 0 14800 6.15 A 445154 D Common Stock 2008-05-20 4 S 0 100 24.17 D 445054 D Common Stock 2008-05-20 4 S 0 100 24.48 D 444954 D Common Stock 2008-05-20 4 S 0 100 24.5 D 444854 D Common Stock 2008-05-20 4 S 0 100 24.57 D 444754 D Common Stock 2008-05-20 4 S 0 100 24.6 D 444654 D Common Stock 2008-05-20 4 S 0 100 24.62 D 444554 D Common Stock 2008-05-20 4 S 0 100 24.66 D 444454 D Common Stock 2008-05-20 4 S 0 200 24.69 D 444254 D Common Stock 2008-05-20 4 S 0 200 24.7 D 444054 D Common Stock 2008-05-20 4 S 0 200 24.72 D 443854 D Common Stock 2008-05-20 4 S 0 300 24.73 D 443554 D Common Stock 2008-05-20 4 S 0 200 24.74 D 443354 D Common Stock 2008-05-20 4 S 0 2200 24.75 D 441154 D Common Stock 2008-05-20 4 S 0 1100 24.76 D 440054 D Common Stock 2008-05-20 4 S 0 700 24.77 D 439354 D Common Stock 2008-05-20 4 S 0 1400 24.78 D 437954 D Common Stock 2008-05-20 4 S 0 1900 24.79 D 436054 D Common Stock 2008-05-20 4 S 0 3100 24.8 D 432954 D Common Stock 2008-05-20 4 S 0 500 24.81 D 432454 D Common Stock 2008-05-20 4 S 0 300 24.82 D 432154 D Common Stock 2008-05-20 4 S 0 200 24.83 D 431954 D Common Stock 2008-05-20 4 S 0 200 24.84 D 431754 D Common Stock 2008-05-20 4 S 0 200 24.85 D 431554 D Common Stock 2008-05-20 4 S 0 20 24.86 D 431534 D Common Stock 2008-05-20 4 S 0 380 24.87 D 431154 D Common Stock 2008-05-20 4 S 0 399 24.88 D 430755 D Common Stock 2008-05-20 4 S 0 101 24.89 D 430654 D Common Stock 2008-05-20 4 S 0 300 24.9 D 430354 D Stock Options (Right to buy) 6.15 2008-05-20 4 M 0 14800 0 D 2008-08-15 Common Stock 14800 178818 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 2008-05-22