...- Indiana Bond Bank's special program gas revenue bonds were issued to provide a mechanism for financing the prepayment of supplies of natural gas to be delivered over time. - We assigned 'A- (sf)' ratings to the series 2007A, 2007B-1, and 2007B-2 bonds. - The ratings are based on the lowest-rated credit within the flow of funds in the transaction. NEW YORK (S&P Global Ratings) Feb. 25, 2021--S&P Global Ratings today assigned its 'A- (sf)' ratings to Indiana Bond Bank's special program gas revenue bonds series 2007A, 2007B-1, and 2007B-2 bonds. Indiana Bond Bank (issuer) is a separate body corporate and politic, constituting an instrumentality of the state for the public purposes set forth in the laws of the state of Indiana. The issuer purchased with proceeds from the bonds, the gas revenue note issued by Indiana Municipal Gas Purchasing Authority Inc. (authority). The gas revenue note is backed by the cash flows related to a gas purchase agreement with the gas supplier (originally with...