FISV: Leadership change · Company disclosure

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Resignation of Chief Executive Officer and Director On June 12, 2026, Michael P. Lyons resigned as Chief Executive Officer of Fiserv, Inc. (the “Company”) and as a member of the Board of Directors of the Company (the “Board”), effective immediately. Mr. Lyons’s resignation was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices. In connection with his resignation, Mr. Lyons will receive only his accrued but unpaid base salary through the date of his resignation, but is not entitled to any severance payments, accelerated vesting of equity, benefits continuation or any other benefits under his Offer Letter, dated January 22, 2025. Appointment of Chief Executive Officer and Director On June 14, 2026, Takis Georgakopoulos was appointed as Chief Executive Officer of the Company and as a member of the Board. Mr. Georgakopoulos, age 56, most recently served as Co-President, Head of Merchant and Technology of the Company since December 2025. Mr. Georgakopoulos served as Chief Operating Officer from April 2025 to December 2025 and as an Executive Vice President since September 2024. Prior to joining the Company, from 2007 to 2024, he served JPMorgan Chase & Co., a global financial services firm, in various leadership roles, most recently as Global Head of Payments for J.P. Morgan’s Corporate & Investment Bank from 2017 to 2024. Earlier in his career, Mr. Georgakopoulos was a partner at McKinsey & Company, where he helped lead McKinsey’s Asset Management practice. Upon his appointment as Chief Executive Officer, Mr. Georgakopoulos ceased to serve as Co