PRELIMINARY OFFICIAL STATEMENT DATED OCTOBER 13, 2020 NEW AND RENEWAL ISSUES RATINGS: (See “RATINGS” herein) BOOK-ENTRY-ONLY BONDS AND NOTES In the opinion of Bond Counsel to the County, under existing statutes, regulations, administrative rulings, and court decisions, and assuming continuing compliance by the County with its covenants relating to certain requirements contained in the Internal Revenue Code of 1986, as amended (the “Code”), and the accuracy of certain representations made by the County, interest on the Series A Bonds, the Series B Bonds and the Series C BANs (the “Tax-Exempt Obligations”) is excluded from gross income of the owners thereof for Federal income tax purposes and is not an “item of tax preference” for purposes of the Federal alternative minimum tax imposed on individuals. In the opinion of Bond Counsel, interest on the Series C Bonds and the Series D Notes is NOT constitute an offer to sell or the excluded from gross income for Federal income tax purposes. Bond Counsel is also of the opinion that under existing statutes interest on the Bonds and the tration or qualification under the Notes is exempt from personal income taxes imposed by the State of New York or any political subdivision thereof (including The City of New York). No opinion is expressed regarding other Federal or State tax consequences arising with respect to the Bonds. See “TAX MATTERS” herein. The Tax-Exempt Obligations will NOT be designated by the County as “qualified tax-exempt obligations” pursuant to the provision of Section 265 of the Code. COUNTY OF SUFFOLK NEW YORK $105,195,000* PUBLIC IMPROVEMENT SERIAL BONDS – 2020 SERIES A (the “Series A Bonds”) Date of Issue: November 4, 2020 Maturity Dates: November 1, 2021-2031 (as shown on the inside cover) $59,670,000** REFUNDING SERIAL BONDS – 2020 SERIES B (the “Series B Bonds”) Date of Issue: November 18, 2020 Maturity Dates: May 15, 2021-2031 (as shown on the inside cover) $123,715,000** icial Statement. This Preliminary Official Statement does not ffer, solicitation or sale would be unlawful prior to the regis REFUNDING SERIAL BONDS – 2020 SERIES C (FEDERALLY TAXABLE) (the “Series C Bonds” and together with the Series A Bonds and the Series B Bonds, the “Bonds”) Date of Issue: November 18, 2020 Maturity Dates: December 15, 2020, June 15, 2021-2034 (as shown on the inside cover) $30,000,000 BOND ANTICIPATION NOTES – 2020 SERIES C (the “Series C BANs”) Date of Issue: November 4, 2020 Maturity Date: April 16, 2021 $10,000,000 BOND ANTICIPATION NOTES – 2020 SERIES D (FEDERALLY TAXABLE) (the “Series D BANs” and together with the Series C BANs, the “Notes”) Date of Issue: November 4, 2020 Maturity Date: June 25, 2021 The Bonds and the Notes are general obligations of the County of Suffolk, New York (the “County”), and will contain a pledge of the faith and credit of the County for the payment of the principal thereof and interest thereon and, unless paid from other sources, the Bonds and the Notes are payable from ad valorem taxes which may be levied upon all the taxable real property within the County, subject to certain statutory limitations imposed by Chapter 97 of the Laws of 2011 of the State of New York, as amended. See “TAX LEVY LIMITATION LAW,” herein. The Series A Bonds are dated the Date of Issue thereof and will bear interest from such date until maturity at the annual rate or rates as specified by the purchaser of the Series A Bonds, payable on November 1, 2021 and semi-annually thereafter on May 1 and November 1 in each year until maturity. The Bonds will mature on November 1, as shown on the inside cover page hereof. The Series A Bonds maturing in certain years ed in it are subject to completion and amendment in a final Off of the Bonds and the Notes, in any jurisdiction in which such o are subject to redemption prior to their stated maturity. (See “THE BONDS AND THE NOTES – Optional Redemption,” herein.) The Series B Bonds are dated the Date of Issue thereof and will bear interest from such date until maturity at the annual rate or rates as specified by the Underwriters of the Series B Bonds, payable on May 15, 2021, November 15, 2021 and semi-annually thereafter in each year until maturity. The Bonds will mature on May 15 in each year, as shown on the inside cover page hereof. The Series B Bonds will not be subject to redemption prior to maturity. The Series C Bonds are dated the Date of Issue thereof and will bear interest from such date until maturity at the annual rate or rates as specified by the Underwriters of the Series C Bonds, payable on December 15, 2020, June 15, 2021 and semi-annually thereafter in each year until maturity. The Bonds will mature on the dates in the years, as shown on the inside cover page hereof. The Series C Bonds maturing in certain years are subject to redemption prior to their stated maturity. (See “THE BONDS AND THE NOTES – Optional Redemption,” herein.) nt and the information contain The Notes are dated their respective Dates of Issue and shall bear interest from such dates until their respective maturity dates, at the annual rate(s) as specified by the purchaser(s) of such Notes. The Notes will not be subject to redemption prior to maturity. Underwriters of the Series B Bonds and the Series C Bonds: JEFFERIES FHN CAPITAL MARKETS LOOP CAPITAL MARKETS _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ * Preliminary, subject to change pursuant to the accompanying Notice of Bond Sale, as described on the inside cover page hereof. ** Preliminary, subject to change. solicitation of an offer to buy, and there may not be any sale securities laws of that jurisdiction. This Preliminary Official Stateme The Bonds and the Notes will be issued in fully registered form, and when issued, will be registered in the name of Cede & Co., as nominee of The Depository Trust Company (“DTC”), Jersey City, New Jersey. DTC will act as securities depository for the Bonds and the Notes. Individual purchases may be made in book-entry form only, in the principal amount of $5,000 or integral multiples thereof. Purchasers will not receive certificates representing their ownership interests in the Bonds and the Notes. Payment of the principal of and interest on the Bonds and the Notes will be made by the County to DTC, which will in turn remit such principal and interest to its participants for subsequent disbursement to the beneficial owners of the Bonds and the Notes as described herein. See “THE BONDS AND THE NOTES – Book-Entry- Only System” herein. The Bonds and the Notes are each offered when, as, and if issued by the County and accepted by the purchaser(s) thereof, subject to the receipt of the respective final approving opinions of Harris Beach PLLC, Hempstead, New York, Bond Counsel, and certain other conditions. Hawkins Delafield & Wood LLP will deliver an opinion as to certain matters, as Disclosure Counsel to the County. Certain matters will be passed upon for the Underwriter of the Series B Bonds and the Series C Bonds by its counsel, Orrick, Herrington & Sutcliffe, LLP, New York, New York. Capital Markets Advisors, LLC has served as Financial Advisor to the County in connection with the issuance of the Bonds and the Notes. It is expected that delivery of the Bonds and the Notes in book-entry form, will be made in Jersey City, New Jersey on their respective Dates of Issue. Harris Beach PLLC has not participated in the preparation of the demographic, financial or statistical data contained in this Official Statement, or verified the accuracy, completeness or fairness thereof, and, accordingly, expresses no opinion with respect thereto. THIS OFFICIAL STATEMENT IS IN A FORM DEEMED FINAL BY THE COUNTY FOR PURPOSES OF SECURITIES AND EXCHANGE COMMISSION RULE 15c2-12 (THE “RULE”) EXCEPT FOR CERTAIN INFORMATION THAT HAS BEEN OMITTED HEREFROM IN ACCORDANCE WITH SAID RULE AND THAT WILL BE SUPPLIED WHEN THIS OFFICIAL STATEMENT IS UPDATED FOLLOWING THE SALE OF THE OBLIGATIONS DESCRIBED HEREIN. FOR A DESCRIPTION OF THE COUNTY’S AGREEMENT TO PROVIDE CONTINUING DISCLOSURE FOR THE BONDS AND THE NOTES AS DESCRIBED IN THE RULE, SEE “DISCLOSURE UNDERTAKINGS” HEREIN. Dated: October __, 2020 The Series A Bonds mature on November 1 in each year, subject to optional redemption, as set forth below: Interest Interest Year Amount* Rate Yield CUSIP*** Year Amount* Rate Yield CUSIP*** 2021 $8,920,000 % % 2027 $ 9,565,000 % % 2022 9,035,000 2028 9,760,000 2023 9,165,000 2029 9,970,000** 2024 9,305,000 2030 10,190,000** 2025 9,455,000 2031 10,435,000** 2026 9,395,000 * The aggregate principal amount of the Series A Bonds and the principal maturities thereof are subject to adjustment following their sale, pursuant to the terms of the accompanying Notice of Bond Sale to achieve substantially level or declining annual debt service as provided in the Local Finance Law and to permit the County to comply with the applicable Federal tax law restrictions. ** Subject to optional redemption prior to maturity (See “THE BONDS AND THE NOTES – Optional Redemption” herein). *** CUSIP numbers have been assigned by an independent company not affiliated with the County and are included solely for the convenience of the holders of the Series A Bonds. The County is not responsible for the selection or uses of these CUSIP numbers and no representation is made as to their correctness on the Series A Bonds or as indicated above. The Series B Bonds will mature on May 15 in each year, subject to optional redemption, as set forth below: Interest Interest Year Amount* Rate Yield CUSIP** Date Amount* Rate Yield CUSIP** 2021 $5,950,000 % % 2027 $3,245,000 % % 2022 6,015,000 2028 3,425,000 2023 7,285,000 2029 3,600,000 2024 7,280,000 2030 3,600,000 2025 7,655,000 2031 3,800,000 2026 7,815,000 * Preliminary, subject to change.