I-1 - Preliminary Official Statement - GO Bond 2025

CITY OF TIFFIN, IOWA GENERAL OBLIGATION DEBT PAYABLE FROM TAXES (As of March 2, 2025, Plus this Issue) Purpose: G.O. G.O. G.O. Urban Corporate Corporate Renewal and Purpose Purpose Refunding Bonds, Bonds, Bonds, Series Series Series 2017A 2019A 2020A Dated: 12/20/17 09/04/19 08/25/20 Original Amount: $5,140,000 $4,500,000 $7,670,000 Maturity: 1-Jun 1-Jun 1-Jun Interest Rates: 3.00-3.15% 2.00-2.35% 2.00% Fiscal Year 2025 $330,000 $400,000 $770,000 2025 2026 340,000 405,000 790,000 2026 2027 350,000 415,000 800,000 2027 2028 360,000 425,000 460,000 2028 2029 370,000 435,000 475,000 2029 2030 385,000 445,000 480,000 2030 2031 395,000 455,000 450,000 2031 2032 405,000 0 455,000 2032 2033 420,000 0 260,000 2033 2034 0 0 270,000 2034 2035 0 0 280,000 2035 2036 0 0 0 2036 2037 0 0 0 2037 2038 0 0 0 2038 2039 0 0 0 2039 2040 0 0 0 2040 $3,355,000 $2,980,000 $5,490,000 (1) – 25 –