X0303 4 2010-02-18 0000792013 HARLEYSVILLE GROUP INC HGIC 0001340383 Becker Allan R 355 MAPLE AVENUE HARLEYSVILLE PA 19438 0 1 0 0 Sr VP, Chief Actuary Common Stock 2010-02-18 4 A 0 1250 0 A 14850 D Employee Stock Option Right-to-Buy 33.94 2010-02-18 4 A 0 12955 0 A 2020-02-18 Common Stock 12955 12955 D Performance Units 2010-02-18 4 A 0 1250 0 A 2013-02-18 Common Stock 1250 1250 D Represents an award of time-based restricted stock units granted under the Harleysville Group Inc. Equity Incentive Plan. Each unit represents a contingent right to receive one share of HGI common stock. Total includes 152.811 shares acquired on 7/14/09 through participation in the HGI employee stock purchase plan; total also includes 81.42 shares acquired 3/30/09 through 6/30/09 from the HGI dividend reinvestment plan. The option vests in 3 equal annual installments beginning 2/18/2011. Represents performance-based restricted stock unit award at target. The performance period will end 2/18/2013 and the actual number of shares to be issued will be determined after such date based upon the achievement of identified performance goals. Each unit represents the contingent right to acquire one share of common stock. Candace J. Shustack, as Power of Attorney 2010-02-22