Material Agreement (Form 8-K)

Closing of USD Notes Offering

On March 10, 2026, Fidelity National Information Services, Inc. ("FIS") completed the issuance and sale of its previously announced offering of U.S. dollar-denominated senior notes, consisting of $2,000,000,000 in aggregate principal amount of 4.450% Senior Notes due 2028 (the "2028 Fixed Rate Notes"), $2,300,000,000 in aggregate principal amount of 4.550% Senior Notes due 2029 (the "2029 Fixed Rate Notes"), $500,000,000 in aggregate principal amount of Floating Rate Senior Notes due 2029 (the "2029 Floating Rate Notes") and $2,000,000,000 in aggregate principal amount of 4.800% Senior Notes due 2031 (the "2031 Fixed Rate Notes" and, collectively with the 2028 Fixed Rate Notes, the 2029 Fixed Rate Notes and the 2029 Floating Rate Notes, the "USD Notes").

The sale of the USD Notes was made pursuant to the terms of an Underwriting Agreement, dated March 4, 2026, by and among FIS and Goldman Sachs & Co. LLC, Wells Fargo Securities, LLC, Citigroup Global Markets Inc., J.P. Morgan Securities LLC and TD Securities (USA) LLC, as representatives of the several underwriters named therein, a copy of which was previously filed as Exhibit 1.1 to FIS' Current Report on Form 8-K filedwith the Securities and Exchange Commission (the "Commission") on March 9, 2026.

The USD Notes were issued pursuant to (i) an Indenture, dated as of March 10, 2026 (attached hereto as Exhibit 4.1 and incorporated herein by reference), among FIS, certain other parties thereto and Regions Bank, as trustee ("Regions"), as amended and supplemented by the First Supplemental Indenture thereto with respect to the 2028 Fixed Rate Notes (attached hereto as Exhibit 4.2 and incorporated herein by reference), the Second Supplemental Indenture thereto with respect to the 2029 Fixed Rate Notes (attached hereto as Exhibit 4.3 and incorporated herein by reference) and the Third Supplemental Indenture thereto with respect to the 2029 Floating Rate Notes (attached hereto as Exhibit 4.4 and incorporated herein by reference), in each case dated as of March 10, 2026, between FIS and Regions and (ii) an Indenture (the "U.S. Bank Indenture"), dated as of March 10, 2026 (attached hereto as Exhibit 4.5 and incorporated herein by reference), among FIS, certain other parties thereto and U.S. Bank Trust Company, National Association, as trustee ("U.S. Bank"), as amended and supplemented by the Third Supplemental Indenture thereto with respect to the 2031 Fixed Rate Notes (attached hereto as Exhibit 4.8 and incorporated herein by reference), dated as of March 10, 2026, between FIS and U.S. Bank.

The USD Notes were offered and sold pursuant to the automatically effective Registration Statement on Form S-3 (File No. 333-288198) ofFIS filed with the Commission on June 20, 2025, as amended by the automatically effective Post-Effective Amendment No. 1 filed with the Commission on February 26, 2026 (as so amended, the "S-3"),as further supplemented by a preliminary prospectus supplement dated February 26, 2026 filed with the Commission pursuant to Rule 424(b)(5) under the Securities Act of 1933 (the "Securities Act") on February 26, 2026, a free writing prospectus dated March 4, 2026 filed with the Commission pursuant to Rule 433 under the Securities Act on March 4, 2026, and a final prospectus supplement dated March 4, 2026 filed with the Commission pursuant to Rule 424(b)(5) under the Securities Act on March 5, 2026.

Closing of Euro Notes Offering

Also on March 10, 2026, FIS completed the issuance and sale of its previously announced offering of Euro-denominated senior notes, consisting of €500,000,000 in aggregate principal amount of Floating Rate Senior Notes due 2028 (the "2028 Floating Rate Euro Notes") and €500,000,000 in aggregate principal amount of 3.450% Senior Notes due 2030 (the "2030 Fixed Rate Euro Notes" and, collectively with the 2028 Floating Rate Euro Notes, the "Euro Notes").

The sale of the Euro Notes was made pursuant to the terms of an Underwriting Agreement, dated March 5, 2026, by and among FIS and the several underwriters named therein, a copy of which was previously filed as Exhibit 1.2 to FIS' Current Report on Form 8-K filedwith the Commission on March 9, 2026.

The Euro Notes were issued pursuant to the U.S. Bank Indenture, as amended and supplemented by the First Supplemental Indenture thereto with respect to the 2028 Floating Rate Euro Notes (attached hereto as Exhibit 4.6 and incorporated herein by reference) and the Second Supplemental Indenture thereto with respect to the 2030 Fixed Rate Euro Notes (attached hereto as Exhibit 4.7 and incorporated herein by reference), in each case dated as of March 10, 2026, between FIS and U.S. Bank.

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The Euro Notes were offered and sold pursuant to the S-3,as further supplemented by a preliminary prospectus supplement dated February 26, 2026 filed with the Commission pursuant to Rule 424(b)(5) under the Securities Act on February 26, 2026, a free writing prospectus dated March 5, 2026 filed with the Commission pursuant to Rule 433 under the Securities Act on March 5, 2026, and a final prospectus supplement dated March 5, 2026 filed with the Commission pursuant to Rule 424(b)(5) under the Securities Act on March 6, 2026.

Opinion Letters

Copies of the opinion letters of Willkie Farr & Gallagher LLP relating to the validity of the USD Notes and the Euro Notes are filed as Exhibits 5.1 and 5.2 hereto, respectively, and copies of the opinion letters of Troutman Pepper Locke LLP concerning legal matters related to Georgia law in respect of the USD Notes and the Euro Notes are filed as Exhibits 5.3 and 5.4 hereto, respectively.