NOTICE OF SALE OF BONDS In accordance with 62 O.S. 2021, § 354, notice is hereby given that the Board of Education of Independent School District Number 4 of Washington County, Oklahoma will receive bids by; sealed bid, facsimile bid, electronic (Parity®) bid or similar secure electronic bid on the 5 th day of May, 2026, at 6:00 o'clock p.m., at the Board Room, Copan Public Schools, 527 Hornet Lane, Copan, Oklahoma, for the sale of $200,000 of Building Bonds of said School District, which Bonds will mature $200,000 annually in two (2) years from their date until paid. Said Bonds shall be sold to the bidder bidding the lowest rate of interest the Bonds shall bear and agreeing to pay par and accrued interest for the Bonds. Each bidder shall submit with his bid a sum in cash, cashier's or certified check, electronic (wire) transfer or surety bond payable to the Treasurer of the District, equal to two (2%) percent of the amount of his bid. The Board reserves the right to reject all bids. WITNESS my official hand and seal this 7 th day of April, 2026. /s/ TASHA HOLLOPETER Clerk, Board of Education LPXLP April 17, 24 2026 LOKL0496515