X0202 4 2006-08-11 0000792013 HARLEYSVILLE GROUP INC HGIC 0001069524 STRAUSS CATHERINE B 355 MAPLE AVENUE HARLEYSVILLE PA 19438 0 1 0 0 Exec. VP Common Stock 2006-08-11 4 M 0 9230 24.50 A 27121 D Common Stock 2006-08-11 4 M 0 9230 19.625 A 36351 D Common Stock 2006-08-11 4 M 0 9230 16.3125 A 45581 D Common Stock 2006-08-11 4 S 0 930 32.20 D 44651 D Common Stock 2006-08-11 4 S 0 1100 32.15 D 43551 D Common Stock 2006-08-11 4 S 0 100 32.13 D 43451 D Common Stock 2006-08-11 4 S 0 200 32.05 D 43251 D Common Stock 2006-08-11 4 S 0 1500 32.00 D 41751 D Common Stock 2006-08-11 4 S 0 94 31.78 D 41657 D Common Stock 2006-08-11 4 S 0 74 31.76 D 41583 D Common Stock 2006-08-11 4 S 0 1100 31.75 D 40483 D Common Stock 2006-08-11 4 S 0 5000 31.70 D 35483 D Common Stock 2006-08-11 4 S 0 1100 31.64 D 34383 D Common Stock 2006-08-11 4 S 0 4000 31.60 D 30383 D Common Stock 2006-08-11 4 S 0 100 31.56 D 30283 D Common Stock 2006-08-11 4 S 0 200 31.55 D 30083 D Common Stock 2006-08-11 4 S 0 100 31.54 D 29983 D Common Stock 2006-08-11 4 S 0 2000 31.52 D 27983 D Common Stock 2006-08-11 4 S 0 2200 31.50 D 25783 D Common Stock 2006-08-11 4 S 0 1 31.4948 D 25782 D Common Stock 2006-08-14 4 S 0 2100 31.90 D 23682 D Common Stock 2006-08-14 4 S 0 2300 31.85 D 21382 D Common Stock 2006-08-14 4 S 0 3000 31.72 D 18382 D Common Stock 2006-08-14 4 S 0 261 31.50 D 18121 D Employee Stock Option-Right to Buy 24.50 2006-08-11 4 M 0 9230 0 A 2008-05-20 Common Stock 9230 81688 D Employee Stock Option-Right to Buy 19.625 2006-08-11 4 M 0 9230 0 A 2009-05-26 Common Stock 9230 72458 D Employee Stock Option-Right to Buy 16.3125 2006-08-11 4 M 0 8230 0 A 2010-05-17 Common Stock 9230 63228 D The option vested in 2 equal annual installments beginning on 5/20/99. The option vested in 2 equal annual installments beginning on 5/26/00. The option vested in 2 equal annual installments beginning on 5/17/01. /s/ Catherine B. Strauss 2006-08-15