富达国民信息服务美股招股说明书(2026-03-05版)

$2,000,000,000 4.450% Senior Notes due 2028$2,300,000,000 4.550% Senior Notes due 2029$500,000,000 Floating Rate Senior Notes due 2029 We are offering $2,000,000,000 aggregate principal amount of 4.450% senior notes due 2028 (the “2028 Notes”), $2,300,000,000 aggregate principal amount of 4.550% senior notesdue 2029 (the “2029 Notes”), $500,000,000 aggregate principal amount of floating rate senior notes due 2029 (the “Floating Rate Notes”) and $2,000,000,000 aggregate principal amount of4.800% senior notes due 2031 (the “2031 Notes” and, together with the 2028 Notes and the 2029 Notes, the “Fixed Rate Notes,” and the Fixed Rate Notes together with the Floating RateNotes, the “Senior Notes”). The 2028 Notes will mature on March10, 2028, the 2029 Notes and the Floating Rate Notes will mature on March10, 2029 and the 2031 Notes will mature onMarch10, 2031. The 2028 Notes will bear interest at a rate of 4.450% per annum, the 2029 Notes will bear interest at a rate of 4.550% per annum and the 2031 Notes will bear interest at arate of 4.800% per annum. We will pay interest semi-annually in arrears on the Fixed Rate Notes on March10 and September10 of each year, beginning on September10, 2026. The FloatingRate Notes will bear interest at a rate per annum equal to a benchmark rate, which will initially be Compounded SOFR (as defined herein), plus a spread of 121basis points (1.210%). We will Upon the occurrence of a Change of Control Triggering Event (as defined herein) with respect to a series of Senior Notes, we will be required to make an offer to purchase the SeniorNotes of the applicable series at a price equal to 101% of their aggregate principal amount, plus accrued and unpaid interest, if any, to, but excluding, the date of purchase. We may alsoredeem any series of Fixed Rate Notes in whole or in part at any time at the applicable redemption prices described in this prospectus supplement under the heading “Description of the Senior The Senior Notes constitute new issues of securities for which there are no established trading markets. We do not plan to apply to list the Senior Notes on any securities exchange.Currently, there is no public market for the Senior Notes. Investing in the Senior Notes involves risk. See “Risk Factors” beginning on page S-8 of this prospectus supplement and the risk factors set forth in our Annual Report onForm 10-K for the year ended December31, 2025, which are incorporated by reference in this prospectus supplement and the accompanying prospectus. Neither the Securities and Exchange Commission (the “SEC”) nor any state securities commission has approved or disapproved of these securities or determined that thisprospectus supplement or the accompanying prospectus is accurate or complete. Any representation to the contrary is a criminal offense. Table of Contents We have not, and the underwriters have not, authorized anyone else to provide you with additional information or with information different fromthat in this prospectus supplement, the accompanying prospectus, the documents incorporated by reference herein or therein and any free writingprospectus that we have authorized for use in connection with this offering. We are not, and the underwriters are not, making an offer to sell thesesecurities in any jurisdiction where the offer or sale is not permitted. You should assume that the information provided by this prospectus supplement,the accompanying prospectus, the documents incorporated by reference herein or therein and any free writing prospectus that we have authorized for use The distribution of this prospectus supplement and the accompanying prospectus and the offering or sale of the Senior Notes in some jurisdictionsmay be restricted by law. Persons who come into possession of this prospectus supplement and the accompanying prospectus are required by us and theunderwriters to inform themselves about and to observe any applicable restrictions. This prospectus supplement and the accompanying prospectus may We expect delivery of the Senior Notes will be made against payment therefor on or about March10, 2026, which is the fourth business dayfollowing the date of pricing of the Senior Notes (such settlement being referred to as “T+4”). Under Rule 15c6-1 of the Securities Exchange Act of1934, as amended (the “Exchange Act”), trades in the secondary market generally are required to settle in one business day unless the parties to any suchtrade expressly agree otherwise. Accordingly, purchasers who wish to trade the Senior Notes on any date prior to one business day before delivery will Table of Contents ABOUT THIS PROSPECTUS SUPPLEMENT The terms “FIS,” “we,” “us,” the “Company” and “our” refer to Fidelity National Information Services, Inc. and its subsidiaries, except withrespect to the terms of the Senior Notes, including on the cover page, “Summary—The Offering” and “Description of the Senior Notes,” for which such This prospectus supplement relates to a pr