4 1 edgar.txt FORM 4 - 02/25/2003 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). 1. Name and Address of Reporting Person Whitlock, Jr., Robert G. Harleysville Group Inc. 355 Maple Avenue Harleysville, PA 19438 2. Issuer Name and Ticker or Trading Symbol Harleysville Group Inc. HGIC 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Day/Year 02/25/2003 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other (specify below) Senior Vice President & Chief Actuary 7. Individual or Joint/Group Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

Explanation of Responses: (1) Total reflects 471.3234 shares acquired on 1/15/03 under the Harleysville Group Inc. Employee Stock Purchase Plan. SIGNATURE OF REPORTING PERSON Robert G. Whitlock, Jr. /s/ Robert G. Whitlock, Jr. DATE 02/26/03

WHITLOCK ROBERT G JR 4