We anticipate pricing the week of May 4, 2026, the following TAX-ADVANTAGED Bonds: $74,300,000* TOWNSHIP HIGH SCHOOL DISTRICT NUMBER 87 DUPAGE COUNTY, ILLINOIS (GLENBARD) GENERAL OBLIGATION SCHOOL BONDS SERIES 2026 Interest on these bonds is free from federal income tax. Interest on these bonds is not exempt from Illinois state income tax.** These bonds are rated AA+ (Stable Outlook) by S&P. This announcement is neither an offer to sell nor a solicitation of an offer to buy any of these securities. Any offer to sell will be made only pursuant to the final official statement. Lead Manager Stifel (630) 845-7900 Co-Manager Blaylock Van, LLC (312) 391-9494 *Preliminary; subject to change ** For a complete discussion of tax matters, please see the preliminary official statement. Stifel, Nicolaus & Company, Incorporated Member SIPC and NYSE | Stifel.com STIFEL We anticipate pricing the week of May 4 , 2026 , the following TAX - ADVANTAGED Bonds : $ 74,300,000 * TOWNSHIP HIGH SCHOOL DISTRICT NUMBER 87 DUPAGE COUNTY , ILLINOIS ( GLENBARD ) GENERAL OBLIGATION SCHOOL BONDS SERIES 2026 Interest on these bonds is free from federal income tax . Interest on these bonds is not exempt from Illinois state income tax . ** These bonds are rated AA + ( Stable Outlook ) by S & P . This announcement is neither an offer to sell nor a solicitation of an offer to buy any of these securities . Any offer to sell will be made only pursuant to the final official statement . Lead Manager Stifel ( 630 ) 845-7900 Co - Manager Blaylock Van , LLC ( 312 ) 391-9494 * Preliminary ; subject to change ** For a complete discussion of tax matters , please see the preliminary official statement . Stifel , Nicolaus & Company , Incorporated Member SIPC and NYSE | Stifel.com STIFEL