UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 5 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). ( ) Form 3 Holdings Reported ( ) Form 4 Transactions Reported 1. Name and Address of Reporting Person Patkus, M. Lee 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/Year 12/31/2001 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other (specify below) Executive Vice President 7. Individual or Joint/Group Reporting (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

Explanation of Responses: (1) Total includes 352.3958 shares acquired 9/28/01 and 12/31/01 under the Harleysville Group Inc. Dividend Reinvestment Plan. SIGNATURE OF REPORTING PERSON /s/ M. Lee Patkus DATE 02/07/2002

HARLEYSVILLE GROUP INC 5