I-1 - Preliminary Official Statement Series 2021A Refunding

CITY OF TIFFIN, IOWA GENERAL OBLIGATION DEBT PAYABLE FROM TAXES (As of February 2, 2021) 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 TOTAL TOTAL Interest Rates: 3.00-3.15% 2.00-2.35% 2.00% PRINCIPAL: PRIN & INT: 2021 $295,000 $370,000 $395,000 $1,060,000 $1,480,692 2021 2022 300,000 375,000 475,000 1,150,000 1,504,710 2022 2023 310,000 385,000 560,000 1,255,000 1,582,610 2023 2024 320,000 390,000 750,000 1,460,000 1,757,310 2024 2025 330,000 400,000 770,000 1,500,000 1,763,760 2025 2026 340,000 405,000 790,000 1,535,000 1,763,651 2026 2027 350,000 415,000 800,000 1,565,000 1,757,766 2027 2028 360,000 425,000 460,000 1,245,000 1,404,646 2028 2029 370,000 435,000 475,000 1,280,000 1,409,241 2029 2030 385,000 445,000 480,000 1,310,000 1,408,026 2030 2031 395,000 455,000 450,000 1,300,000 1,366,451 2031 2032 405,000 0 455,000 860,000 900,055 2032 2033 420,000 0 260,000 680,000 700,215 2033 2034 0 0 270,000 270,000 278,300 2034 2035 0 0 280,000 280,000 282,800 2035 $4,580,000 $4,500,000 $7,670,000 $16,750,000 $19,360,234 (1) (1) (1) (2) NOTE: 72% OF GENERAL OBLIGATION DEBT PAYABLE FROM TAXES WILL BE RETIRED WITHIN TEN YEARS. (1) Payments reflect mandatory sinking fund payments (2) A portion of these bonds current refunded the General Obligation Corporate Purpose and Refunding Bond, Series 2012A, dated September 1, 2012. M aturities 2021 through 2027, inclusive, were called for redemption on August 25, 2020, at a price of par plus accrued interest. A-12