Okla. Stat. tit. 21, § 422
If two or more persons, being out of this state, conspire to commit any act against the peace of this state, the commission or attempted commission of which, within this state, would be treason against the state, they shall be guilty of a felony punishable by imprisonment in the State Penitentiary not exceeding ten (10) years.
R.L. 1910, § 2233; Amended by Laws 1997, HB 1213, c. 133, § 187 (effective date changed to July 1, 1999, by Laws 1998, 1st Extr. Sess., HB 1002, c. 2, §§ 23-26, emerg. eff. June 19, 1998) (superseded document available); Amended by Laws 1999, 1st Extr. Sess., HB 1009, c. 5, § 103, emerg. eff. July 1, 1999 (superseded document available).