We Anticipate Pricing the Week of May 6, 2019, the Following TAX-EXEMPTBonds: $4,715,000* St. Charles Public Library District Kane and DuPage Counties, Illinois General Obligation Debt Certificates (Limited Tax), Series 2019 Interest on the certificates will be free from federal taxes, but will be subject to Illinois state income taxes.** . A rating in the AA category from S&P is anticipated for the Certificates. . 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. For a preliminary official statement and more information, please call (800) 238-3712 |(630) 845-7905 477 South Third Street, Suite 210 | Geneva, Illinois 60134 or contact your Stifel Financial Advisor. STIFEL " Preliminary; subject to change For a complete discussion of tax matters, please see the preliminary official statement. Sifel, Nicolaus& Company, Incorporated | Member SIPC &NYSE www.stifel.com We Anticipate Pricing the Week of May 6, 2019, the Following TAX-EXEMPTBonds: $4,715,000* St. Charles Public Library District Kane and DuPage Counties, Illinois General Obligation Debt Certificates (Limited Tax), Series 2019 Interest on the certificates will be free from federal taxes, but will be subject to Illinois state income taxes.** . A rating in the AA category from S&P is anticipated for the Certificates. . 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. For a preliminary official statement and more information, please call (800) 238-3712 |(630) 845-7905 477 South Third Street, Suite 210 | Geneva, Illinois 60134 or contact your Stifel Financial Advisor. STIFEL " Preliminary; subject to change For a complete discussion of tax matters, please see the preliminary official statement. Sifel, Nicolaus& Company, Incorporated | Member SIPC &NYSE www.stifel.com