QUINSTREET INC

You may revoke your proxy by: (1) sending in another signed proxy card with a later date prior to the deadlines noted above under “— How to Vote”; (2) providing subsequent Internet or telephone voting instructions prior to the deadlines noted above; (3) notifying our Corporate Secretary in writing at the address set forth below under “Board of Directors — Contacting the Board and Further Information on Corporate Governance” prior to the deadlines noted above that you have revoked your proxy; or (4) voting in person at the meeting.