OFFICIAL NOTICE OF SALE $15,000,000 NORTH PARKWAY MUNICIPAL MANAGEMENT DISTRICT NO. 1 (A Political Subdivision of the State of Texas Located in Collin County, Texas) SINGLE FAMILY DEFINED AREA NO. 1 UNLIMITED TAX ROAD BONDS, SERIES 2026 Selling: October 13, 2026, at 9:00 a.m., local time The Bonds are obligations solely of North Parkway Municipal Management District No. 1 (the "District"), secured solely by ad valorem taxes levied on property located only within the Single Family Defined Area No. 1 (the "Defined Area"), which is located within the District, and are not obligations of the State of Texas; Collin County, Texas; Celina, Texas; or any other political subdivision or agency. THE DISTRICT WILL NOT DESIGNATE THE BONDS AS "QUALIFIED TAX-EXEMPT OBLIGATIONS" FOR FINANCIAL INSTITUTIONS. THE SALE Place and Time of Bid Opening . . . The District will open sealed bids for purchase of the Bonds at the designated meeting place outside the boundaries of the District at 1800 Valley View Lane, Fourth Floor, Suite 400, Farmers Branch, Texas 75234 on October 13, 2026, at 9:00 a.m., local time. The award of the Bonds will take place at 1:00 p.m. at the District's Board of Directors (the "Board") Meeting at its regular meeting place located outside the boundaries of the District, at 1800 Valley View Lane, Fourth Floor, Suite 400, Farmers Branch, Texas 75234 the same day. Submission of Bids . . . Bids for the Bonds may be: 1. Delivered as sealed bids or 2. Submitted electronically through the facilities of PARITY. Any bid received after 9:00 a.m., local time, the scheduled time for bid opening, will not be accepted and will be returned unopened. All bids must be submitted on the "Official Bid Form" without alteration or interlineation and accompanied by a Cashier's Check payable to the District in the amount of $300,000. Information…Bonds will mature serially on September 1, 2029, through 2055, will be dated November 1, 2026, and interest will accrue from the date of delivery. The "Official Notice of Sale," the "Preliminary Official Statement" and the "Official Bid Form" may be obtained from the District's Municipal Advisor, Chris Lane, SAMCO Capital Markets, Inc., 6805 Capital of Texas Highway, Suite 350, Austin, Texas 78731. The District reserves the right to reject any and all bids 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 Texas law. The offer to sell the Bonds will only be made by means of the "Official Notice of Sale," the "Preliminary Official Statement" and the "Official Bid Form." Dated: September 29, 2026 Board of Directors North Parkway Municipal Management District No. 1 IPLDMN0166417