SECTION 5. CREDIT RATE FOR

GULF TAX CREDIT BONDS

The credit rate for an issue of Gulf Tax Credit Bonds is the applicable Gulf Tax Credit Bond credit rate published each business day by the Bureau of Public Debt on its Internet site for State and Local Government Series securities at: http://www.publicdebt.treas.gov . The applicable Gulf Tax Credit Bond credit rate shall be applied to an issue of Gulf Tax Credit Bonds on the day the issue is sold. For this purpose, the issue is sold on the first day there is a binding, written contract for the sale or exchange of the bonds. The credit rates will be determined by the Treasury Department based on its estimate of the yield on outstanding AA rate corporate bonds of a similar maturity for the business day immediately prior to the date on which the issue is sold.