Okla. Stat. tit. 18, § 867
In addition to the immunity provisions of Section 866 of Title 18 of the Oklahoma Statutes, no member of the board of directors of a nonprofit corporation shall be personally liable to the corporation, or members thereof, for monetary damages for breach of fiduciary duty as a director, provided that such immunity from liability shall not extend to:
Laws 1987, HB 1169, c. 166, § 1, eff. November 1, 1987.