SUMMARY NOTICE OF SALE $40,000,000* General Obligation Bonds, Series 2026A Sumter County, South Carolina Proposals by electronic mail will be received by the County Administrator or his designee of Sumter County, South Carolina (the "County") pursuant to the Official Notice of Sale. Sale Date: Such date as may be established by the County and communicated by electronic dissemination not less than 48 hours prior to the time the proposals are to be received. Sale Time: 11:00 a.m., South Carolina time Bonds Dated: Date of Delivery, on or about April 15, 2026 Interest Payments: May 1 and November 1 commencing November 1, 2026 Maturities: November 1, 2026 and May 1, 2027 through May 1, 2032 Redemption Provisions: The Bonds will not be subject to redemption prior to their stated maturities. Book-Entry-Only: The Bonds will be book-entry-only. Legal Opinion: Burr & Forman LLP, Columbia, SC Financial Advisor: Compass Municipal Advisors, LLC, Columbia, SC The Bonds will be issued in book-entry-only form in denominations of $5,000 or any integral multiple thereof. A copy of the Preliminary Official Statement in deemed final form and the Official Notice of Sale are available via the internet at officialstatements.compassmuni.com. For additional information, please contact the County's Bond Counsel, Francenia B. Heizer, Esquire, Burr & Forman LLP, telephone (803) 799-9800, e-mail: fheizer@burr.com or the County's Financial Advisor, Brian G. Nurick, Senior Managing Director, Compass Municipal Advisors LLC, telephone (803) 733-1604, e-mail: brian.nurick@compassmuni.com. *Preliminary, subject to adjustment IPL0323612 Mar 20 2026