MA 8-K: Smart Summary

Mastercard Incorporated announced that Sandra Arkell will transition from Corporate Controller and principal accounting officer to Chief Audit Executive effective August 3, 2026, and that Chris Mullett will be appointed as her successor in the Corporate Controller and principal accounting officer roles on the same date.

• Chief Audit Executive Sandra Arkell — transitioning from Corporate Controller and principal accounting officer to Chief Audit Executive, effective August 3, 2026
• Corporate Controller and Principal Accounting Officer Chris Mullett — appointed to succeed Sandra Arkell; age 52; joined Mastercard in November 2017; previously served as Chief Financial Officer, Europe (since May 2023), Chief Financial Officer, Technology, and Regional Controller, Asia Pacific; effective August 3, 2026

• Chris Mullett — base salary comparable to other employees at levels consistent with his position and scope of responsibility; eligible to participate in the Mastercard International Annual Incentive Compensation Plan and the Mastercard International Change-in-Control Severance Plan, as well as other employee compensation or benefit plans and programs generally made available to Company employees at levels consistent with his position and scope of responsibility

• Corporate Controller and Principal Accounting Officer Sandra Arkell — stepping down from current role effective August 3, 2026, to assume the role of Chief Audit Executive