California Code, Corporations Code - CORP § 6338

(a) A membership list is a corporate asset. Without consent of the board a membership list or any part thereof may not be obtained or used by any person for any purpose not reasonably related to a member's interest as a member. Without limiting the generality of the foregoing, without the consent of the board a membership list or any part thereof may not be:

(b) Any person who violates the provisions of subdivision (a) shall be liable for any damage such violation causes the corporation and shall account for and pay to the corporation any profit derived as a result of such violation. In addition, a court in its discretion may award exemplary damages for a fraudulent or malicious violation of subdivision (a).

(c) Nothing in this article shall be construed to limit the right of a corporation to obtain injunctive relief necessary to restrain misuse of a membership list or any part thereof.

(d) In any action or proceeding under this section, a court may award the corporation reasonable costs and expenses, including reasonable attorneys' fees, in connection with such action or proceeding.

(e) As used in this section, the term “membership list” means the record of the members' names and addresses.