Tax-Exempt Municipal Bonds Palatine Community Consolidated School District Number 15 Cook County, Illinois $43,650,000* General Obligation School Bonds, Series 2023 Order Period Wednesday, January 11, 2023* Maturity dates from December 1, 2023 - 2042 Interest will be paid semiannually beginning June 1, 2023 Rated "Aa2" by Moody's Interest on the Bonds is excludible from gross income of the owners thereof for federal income tax purposes and is not includible as an item of tax preference in computing the federal alternative minimum tax for individuals. Interest on the Bonds is not exempt from present State of Illinois income taxes. This announcement is neither an offer to sell nor a solicitation to buy these securities, nor shall this announcement constitute an offer to sell or a solicitation of an offer to buy these securities in any state in which such offer or solicitation would be unlawful. For a copy of the Preliminary Official Statement, contact a financial advisor from the financing team. BAIRD 15 Baird 312-332-5600 Mesirow Financial 312-595-4261 2023 Robert W. Baird & Co. Incorporated. Member SIPC. MC-1032271. Stifel, Nicolaus & Company, Inc. 800-659-2168 Municipal bonds/notes are not suitable for all investors, especially those in a lower tax bracket. Ratings are measured on a scale that generally ranges from AAA or Aaa (highest) to D or C (lowest). Bonds/notes are subject to market fluctuation and interest rate risk and may be worth more or less than original cost if sold prior to maturity. *Preliminary. Subject to change. Tax - Exempt Municipal Bonds Palatine Community Consolidated School District Number 15 Cook County , Illinois $ 43,650,000 * General Obligation School Bonds , Series 2023 Order Period Wednesday , January 11 , 2023 * Maturity dates from December 1 , 2023 - 2042 Interest will be paid semiannually beginning June 1 , 2023 Rated " Aa2 " by Moody's Interest on the Bonds is excludible from gross income of the owners thereof for federal income tax purposes and is not includible as an item of tax preference in computing the federal alternative minimum tax for individuals . Interest on the Bonds is not exempt from present State of Illinois income taxes . This announcement is neither an offer to sell nor a solicitation to buy these securities , nor shall this announcement constitute an offer to sell or a solicitation of an offer to buy these securities in any state in which such offer or solicitation would be unlawful . For a copy of the Preliminary Official Statement , contact a financial advisor from the financing team . BAIRD 15 Baird 312-332-5600 Mesirow Financial 312-595-4261 2023 Robert W. Baird & Co. Incorporated . Member SIPC . MC - 1032271 . Stifel , Nicolaus & Company , Inc. 800-659-2168 Municipal bonds / notes are not suitable for all investors , especially those in a lower tax bracket . Ratings are measured on a scale that generally ranges from AAA or Aaa ( highest ) to D or C ( lowest ) . Bonds / notes are subject to market fluctuation and interest rate risk and may be worth more or less than original cost if sold prior to maturity . * Preliminary . Subject to change .