Okla. Stat. tit. 82, § 862.1
In addition to the powers, rights and privileges enumerated in Section 862 of this title, the Grand River Dam Authority shall be exempt from the provisions of the:
2. Oklahoma Open Meeting Act, exclusively limited to authorizing the Grand River Dam Authority Board of Directors to confer on matters pertaining to:
Laws 2001, SB 440, c. 397, § 7, emerg. eff. June 4, 2001; Amended by Laws 2003, SB 426, c. 461, § 18, emerg. eff. July 1, 2003 (superseded document available); Amended by Laws 2004, SB 377, c. 524, § 2 (superseded document available).