SUMMARY NOTICE OF SALE Bids will be received by Colleton County, South Carolina, on Wednesday, June 3, 2026 pursuant to, and subject to the terms of, the Official Notice of Sale with respect to the sale of the (i) $2,665,000 General Obligation Bond, Series 2026A of Colleton County, South Carolina (the "Series 2026A Bond"), and (ii) $9,235,000 General Obligation Bond (Taxable), Series 2026B of Colleton County, South Carolina (the "Taxable Series 2026B Bond", and, together with the Series 2026A Bond, the "Bonds"). Offers for the Series 2026A Bond are due by or before 11:00 a.m. South Carolina time; offers for the Taxable Series 2026B bond are due by or before 11:30 a.m. South Carolina time. The par amount of the Bonds are subject to adjustment as set forth in the Official Notice of Sale. The Official Notice of Sale and other information are available from the County's Placement Agent: Brent Robertson (robertsonb@stifel.com) or Alice Cao (caoa@stifel.com). IPL0338367 May 8 2026