NOTICE OF SALE TRAVIS COUNTY MUNICIPAL UTILITY DISTRICT NO. 26 UNLIMITED TAX ROAD BONDS, SERIES 2026 (A political subdivision of the State of Texas located in Travis County, Texas) $5,200,000 Selling: Wednesday, September 16, 2026 Bids Due: 9:00 AM, C.D.T. Place and Time of Award: The District will consider the award of the sale of the Bonds on Wednesday, September 16, 2026, at 11:00 AM, C.D.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 $104,000 payable to the order of Travis County Municipal Utility District No. 26 as a good faith deposit to: Masterson Advisors LLC, 3 Greenway Plaza, Suite 1100, Houston, Texas 77046, by 9:00 AM, C.D.T. on the date of the sale. The District and Masterson Advisors LLC assume no responsibility or liability with respect to any irregularities associated with the submission of any bids. The District and Masterson Advisors LLC will not be responsible for submitting any bids received after the deadline. Procedure Number 1: Bids Delivered to the District: Sealed bids, plainly marked "Bid for Bonds," should be addressed to "President and Board of Directors, Travis County Municipal Utility District No. 26" and delivered to Masterson Advisors LLC, 3013 Carlisle Drive, Austin, Texas 78757 prior to 9:00 AM, Central Standard Time, on Wednesday, September 16, 2026. All bids must be submitted in duplicate on the Official Bid Form, without alteration or interlineation. Procedure Number 2: Electronic Bidding Procedures: Any prospective bidder that intends to submit an electronic bid must submit its electronic bid through the facilities of the Parity Electronic Bid Submission System ("PARITY") by 9:00 AM, C.D.T., on Wednesday, September 16, 2026. Bidders must submit by email (john.barganski@mastersonadvisors.com/713-814-0568), prior to 9:00 AM, Central Standard Time on Wednesday, September 16, 2026, a signed Official Bid Form to John Barganski, Masterson Advisors LLC, 3013 Carlisle Drive, Austin, Texas 78757. 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. 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 PARITY. 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 3: Bids by Telephone: Bidders must submit by e-mail (john.barganski@mastersonadvisors.com/713-814-0568) prior to 9:00 AM, Central Standard Time on Wednesday, September 16, 2026 a signed Official Bid Form to John Barganski, Masterson Advisors LLC, 3013 Carlisle Drive, Austin, Texas 78757, and submit their bid by telephone on the date of the sale. Telephone bidders that have provided a signed Official Bid Form will be telephoned by a representative of Masterson Advisors LLC, as financial advisor for the District, between 8:30AM and 8:50AM, C.D.T on the date of the sale. Facsimile bids will not be accepted. 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 Masterson Advisors LLC, 3013 Carlisle Drive, Austin, Texas 78757, Financial Advisor to the District. 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 Travis County Municipal Utility District No. 26 September 2 2026 IPLAAS0160595