ALTESSA MUNICIPAL UTILITY DISTRICT UNLIMITED TAX BONDS, SERIES 2025 (A political subdivision of the State of Texas located in Bastrop and Travis Counties, Texas) $2,150,000

ALTESSA MUNICIPAL UTILITY DISTRICT UNLIMITED TAX BONDS, SERIES 2025 (A political subdivision of the State of Texas located in Bastrop and Travis Counties, Texas) $2,150,000 Selling: Thursday, November 13, 2025 Bids Due: 10:00 A.M., C.S.T. Place and Time of Award: The District will consider the award of the sale of the Bonds on Thursday, November 13, 2025 at 12:00 P.M., C.S.T. at the designated meeting place located outside the boundaries of the District, at the offices of 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 $86,000 payable to the order of Altessa Municipal Utility District as a good faith deposit to Public Finance Group LLC, 17128 Casanova Ave, Pflugerville, Texas 78660, by 10:00 A.M. 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 electronic bids. 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"). Electronic Bidding Procedures: Any prospective bidder that intends to submit an electronic bid must submit its electronic bid through the facilities of PARITY between 9:00 A.M., C.S.T. and 10:00 A.M., C.S.T., on Thursday, November 13, 2025, as described in the "Official Notice of Sale" described below. The District and Public Finance Group LLC assume no responsibility or liability with the respect to any irregularities associated with the submission of electronic bids. 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. The District will neither confirm any subscription nor be responsible for the failure of any prospective bidder to subscribe to 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. Neither Public Finance Group LLC nor the District shall be responsible for any malfunction or mistake made by, or as a result of the use of the facilities of PARITY, the use of such facilities being the sole risk of the prospective bidder. Bids by Electronic Mail (only if PARITY is unavailable): Any prospective bidder that intends to submit a bid by Electronic Mail, in the event PARITY is not functioning or unavailable, must submit its bid between 9:00 A.M., C.S.T. and 10:00 A.M., C.S.T., on the date of the bid opening. 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. The District and Public Finance Group LLC are not responsible if such electronic mail is malfunctioning which prevents a bid or bids from being submitted on a timely basis. The District and Public Finance Group LLC assume no responsibility or liability with respect to any irregularities associated with the submission of bids if the electronic mail bid option is exercised. Regardless of bid submission method, the District and Public Finance Group LLC will not be responsible for submitting any bids received after the above deadlines. 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 lowest bid in accordance with the "Official Notice of Sale" will be notified immediately by Public Finance Group LLC and must submit a signed Official Bid Form in connection with the sale by 10:30 A.M., C.S.T. on Thursday, November 13, 2025 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 Altessa Municipal Utility District October 24 2025 IPLAAS0107595