X0306 4 2012-11-05 0 0001364962 IMPERVA INC IMPV 0001219234 GOUW RANZETTA THERESIA C/O IMPERVA, INC. 3400 BRIDGE PARKWAY, STE. 200 REDWOOD SHORES CA 94065 1 0 0 0 Common Stock 2012-11-05 4 J 0 1599607 0 D 0 I See footnote Common Stock 2012-11-05 4 J 0 314216 0 D 0 I See footnote Common Stock 2012-11-05 4 J 0 138534 0 D 0 I See footnote Common Stock 2012-11-05 4 J 0 34910 0 A 76468 I See footnote Represents a pro rata distribution for no consideration of all remaining shares previously held by Accel VIII L.P. to its general and limited partners. Accel VIII Associates L.L.C.("A8A") is the General Partner of Accel VIII L.P. and has the sole voting and investment power with respect to the shares. The Reporting Person, a director of the Issuer, is one of the Managing Members of and shares voting and investment powers in such entities. The Reporting Person disclaims beneficial ownership of all shares held by the foregoing entities except to the extent of her pecuniary interest therein. Represents a pro rata distribution of all remaining shares previously held by Accel Internet Fund IV L.P. to its general and limited partners without consideration. A8A is the General Partner of Accel Internet Fund IV L.P. and has the sole voting and investment power with respect to such entity. The Reporting Person, a director of the Issuer, is one of the Managing Members of and shares voting and investment powers in such entity. The Reporting Person disclaims beneficial ownership of all shares held by the foregoing entities except to the extent of her pecuniary interest therein. Represents a pro rata distribution for no consideration of all remaining shares previously held by Accel Investors 2002 L.L.C. to its members. The Reporting Person, a director of the Issuer, is one of the Managing Members of and shares voting and investment powers in Accel Investors 2002 L.L.C. The Reporting Person disclaims beneficial ownership of all shares held by the foregoing entity except to the extent of her pecuniary interest therein. Pro rata distribution by Accel VIII L.P., Accel Investors 2002 L.L.C. and Accel Internet Fund IV L.P. without consideration. Shares are directly owned by the Brookline Living Trust, dated August 7, 2003. The Reporting Person is a Trustee of the Trust and shares voting and investment powers. The Reporting Person disclaims beneficial ownership except to the extent of her pecuniary interest therein. Tram Phi, as Attorney-in-Fact 2012-11-07