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 Strauss, Catherine B. 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 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 includes 758.5189 shares acquired 1/15/03 under the Harleysville Group Inc. Employee Stock Purchase Plan and 118.7521 shares acquired 9/30/02 and 12/31/02 under the Harleysville Group Inc. Dividend Reinvestment Plan. SIGNATURE OF REPORTING PERSON Catherine B. Strauss /s/ Catherine B. Strauss DATE 02/26/03

STRAUSS CATHERINE B 4