Okla. Stat. tit. 18, § 18-437.24
Fees
The Secretary of State shall have charge and collect for:
(a) Filing articles of incorporation, Twenty-five Dollars
($25.00);
(b) Filing articles of amendment, Ten Dollars ($10.00);
(c) Filing articles of consolidation or merger, Twenty-five
Dollars ($25.00);
(d) Filing articles of conversion, Twenty-five Dollars
($25.00);
(e) Filing certificate of change of principal office, Ten
Dollars ($10.00);
(f) Issuing certificate of incorporation, amendment,
consolidation, merger or conversion, or any certified copy thereof,
Five Dollars ($5.00).