X0201 4/A2003-05-202003-05-21 0000792013 HARLEYSVILLE GROUP INC HGIC 0001093280 HARLEYSVILLE MUTUAL INSURANCE CO /PA 355 MAPLE AVENUE HARLEYSVILLE PA 19438 0010Common Stock16666863DThis amendment corrects an inadvertent typographical error in the Table I-Column 5 "Amount of Securities Beneficially Owned" total reported in the original filing.Roger A. Brown, Secretary2003-09-16