Okla. Stat. tit. 70, § 70-17-116.17: Benefit calculations and increase

A. Beginning July 1, 2000, a classified member who retired

prior to July 1, 1999, who continues to receive benefits on or after

July 1, 2000, shall have the member’s retirement allowance

calculated on the member’s current average salary plus Five Hundred

Dollars ($500.00).

B. Beginning July 1, 2000, a nonclassified member who retired

prior to July 1, 1999, who continues to receive benefits on or after

July 1, 2000, shall have the member’s retirement allowance

calculated on the member’s current average salary plus Two Hundred

Fifty Dollars ($250.00).

C. Beginning July 1, 2000, those individuals receiving benefits

pursuant to subsection (3) of Section 17-105 of Title 70 of the

Oklahoma Statutes whose benefits commenced prior to July 1, 1999,

shall receive an increase in benefits of one and eight-tenths

percent (1.8%).