Material Agreement (Form 8-K)

Underwriting Agreement

On June 16, 2026, Fiserv, Inc. (the "Company") entered into an Underwriting Agreement (the "Underwriting Agreement") with Citigroup Global Markets Limited, J.P. Morgan Securities plc, TD Global Finance unlimited company and Wells Fargo Securities International Limited, as representatives of the several underwriters listed therein (the "Underwriters"), pursuant to which the Company agreed to sell, and the Underwriters agreed to purchase, subject to the terms and conditions set forth therein, €500,000,000 aggregate principal amount of the Company's 3.750% Senior Notes due 2030 (the "2030 Notes") and €500,000,000 aggregate principal amount of the Company's 4.250% Senior Notes due 2034 (the "2034 Notes" and, together with the 2030 Notes, the "Notes"), in a public offering (the "Offering"). The Offering is expected to close on June 23, 2026, subject to customary closing conditions.

The Underwriting Agreement contains customary representations, warranties and agreements of the Company, conditions to closing, indemnification rights and obligations of the parties and termination provisions. The description of the Underwriting Agreement set forth above is qualified by reference to the Underwriting Agreement filed as Exhibit 1.1 to this Current Report on Form 8-K and incorporated herein by reference.

The Notes are registered under the Securities Act of 1933, as amended, pursuant to a Registration Statement on Form S-3 (Registration No. 333-277241) that the Company filed with the Securities and Exchange Commission on February 22, 2024, as amended by the Post-Effective Amendment No. 1 to the Registration Statement that the Company filed with the Securities and Exchange Commission on April 24, 2025. The Company is also filing the Underwriting Agreement as part of this Current Report on Form 8-K for purposes of such Registration Statement.