NOTICE OF SALE WILBARGER CREEK MUNICIPAL UTILITY DISTRICT NO. 1 UNLIMITED TAX BONDS, SERIES 2026 (A political subdivision of the State of Texas located in Travis County, Texas) $2,200,000 Selling: Thursday, February 5, 2026 Bids Due: 9:00 AM, C.S.T. Place and Time of Award: The District will consider the award of the sale of the Bonds on Thursday, February 5, 2026, at 12:00 PM, C.S.T, at the designated meeting place outside the boundaries of the District, at Armbrust & Brown, PLLC, 100 Congress Avenue, Suite 1300, Austin, Texas 78701. Action will be taken immediately by the Board of Directors of the District to accept or reject the best bid. Each bidder must deliver a Bank Cashier's Check in the amount of $88,000 payable to the order of Wilbarger Creek Municipal Utility District No. 1 as a good faith deposit to: Public Finance Group LLC, 17128 Casanova Ave, Pflugerville, Texas 78660, by 9:00 AM, C.S.T. on the date of the sale. The District and Public Finance Group LLC assume no responsibility or liability with respect to any irregularities associated with the submission of any bids. The District and Public Finance Group LLC will not be responsible for submitting any bids received after the deadline. For the purpose of determining compliance with any and all time deadlines set forth in this Official Notice of Sale, for all alternative bidding procedures, the official time shall be maintained only by the Parity Electronic Bid Submission System ("PARITY"). Procedure Number 1: Electronic Bidding Procedures: Any prospective bidder that intends to submit an electronic bid must submit its electronic bid through the facilities of PARITY between 8:00 AM, C.S.T. and 9:00 AM, C.S.T., on Thursday, February 5, 2026. Subscription to the i-Deal LLC's BIDCOMP Competitive Bidding System is required in order to submit an electronic bid through PARITY. Further information about PARITY, including any fee charged, may be obtained from Parity Customer Support, 1359 Broadway, 2nd Floor, New York, New York 10018, (212) 849-5021. An electronic bid made through the facilities of PARITY shall be deemed a sealed irrevocable offer to purchase the Bonds on the terms provided in this Official Notice of Sale and shall be binding upon the bidder as if made by a signed, sealed bid delivered to the District. Procedure Number 2: Bids by Electronic Mail (only in the event PARITY is unavailable): Any prospective bidder that intends to submit a bid by electronic mail, in the event PARITY is not functioning or available, must submit its bid between 9:00 AM, C.S.T. and 9:00 AM, C.S.T., on Thursday, February 5, 2026. Electronic mail bids to the attention of Cheryl Allen will be accepted at callen@publicfinancegrp.com. All bids must be submitted on the "Official Bid Form" without alteration or interlineations. Copies of the Official Bid Form accompany the Preliminary Official Statement. Information: The Bonds are more completely described in the "Official Notice of Sale," "Official Bid Form" and the "Preliminary Official Statement" which may be obtained from Public Finance Group LLC, P.O. Box 81849, Austin, Texas 78708, Financial Advisor to the District. The bidder whose bid is the winning bid in accordance with the "Official Notice of Sale" will be notified immediately and must submit a signed Official Bid Form in connection with the sale by 10:30 AM, C.S.T. on Thursday, February 5, 2026, to Cheryl Allen, Public Finance Group LLC at callen@publicfinancegrp.com. The District reserves the right to reject any or all bids for the Bonds and to waive any and all irregularities except time of filing. This notice does not constitute an offer to sell the Bonds but is merely notice of sale of the Bonds as required by law. The offer to sell the Bonds will be made only by means of the "Official Notice of Sale," the "Preliminary Official Statement" and the "Official Bid Form." Board of Directors Wilbarger Creek Municipal Utility District No. 1 January 23 2026 IPLAAS0119853