Okla. Stat. tit. 62, § 62-57.173: Schedule of repayment - Interest

The Series D Bonds shall be serial coupon bonds. Said bonds and

the interest thereon shall be payable at such place or places as may

be designated by the State of Oklahoma Building Bonds Commission.

The Series D Bonds shall mature on January 15 in the years and

amounts, respectively, as follows:

YEAR AMOUNT

1976 $ 395,000

1977 420,000

1978 445,000

1979 470,000

1980 495,000

1981 520,000

1982 550,000

1983 580,000

1984 615,000

1985 650,000

1986 685,000

1987 725,000

1988 765,000

1989 810,000

1990 855,000

1991 900,000

1992 950,000

1993 1,000,000

1994 1,055,000

1995 1,115,000

The Series D Bonds shall bear interest, payable semiannually on

January 15 and July 15 of each year, shall be in such denomination

or denominations, shall be in such form either coupon or registered,

shall carry such registration or conversion privileges, shall be

executed in such manner, shall be payable in such medium of payment

at such place or places, as shall be provided by resolution or

resolutions to be adopted by the State of Oklahoma Building Bonds

Commission; provided, that all such bonds maturing on and after ten

(10) years from their dates may, at the discretion of the

Commission, be made subject to call and redemption, in inverse order

of bond numbers, at par or with premium, and accrued interest, with

the detailed provisions for such calling and redemption thereof and

the amount of the premium, if any, to be fixed by the Commission in

the resolution or resolutions for the issuance of such bonds. Until

such time as the Sinking Fund shall be sufficient to retire all

outstanding State of Oklahoma Building Bonds of 1968, including

interest thereon, there shall be paid into the Sinking Fund during

each fiscal year from the sources hereinabove pledged such amounts

as shall be necessary to pay the interest and principal as they

become due. All bonds issued pursuant to this act shall have all

the qualities and incidents of negotiable paper, and neither said

bonds nor the interest earned thereon shall be subject to taxation

by the State of Oklahoma or any county, municipality or political

subdivision thereof.