X0303 4 2010-02-05 0000230557 SELECTIVE INSURANCE GROUP INC SIGI 0001298607 Lanza Michael H 40 WANTAGE AVENUE BRANCHVILLE NJ 07890 1 EVP and General Counsel Common Stock 2010-02-08 4 S 0 1320 15.24 D 5673 D Stock Option 15.53 2010-02-05 4 A 0 6439 0 A 2011-02-05 2020-02-05 Common Stock 6439 6439 D Represents the weighted average sale price. The highest price at which shares were sold was $15.2401 and the lowest price at which shares were sold was $15.24. The reporting person hereby undertakes to provide upon request to the SEC's staff, the issuer or its security holders, full information regarding the number of shares sold at each separate price. This option will vest 1/3 per year starting February 5, 2011. /s/ Michael H. Lanza 2010-02-09