DUK · Duke Energy appointed Joyce Mullen, former CEO of Insight Enterprises,…

Duke Energy appointed Joyce Mullen, former CEO of Insight Enterprises, to its board of directors effective September 28, 2026, with assignments to the Audit Committee and the Operations and Nuclear Oversight Committee. This is a routine board appointment with no material financial impact, a standard governance filing with no financial data or strategic changes disclosed.

• Joyce Mullen appointed to Duke Energy board effective Sept. 28, 2026
• Mullen will serve on Audit Committee and Operations and Nuclear Oversight Committee
• Mullen retired as president and CEO of Insight Enterprises in April 2026
• Board determined Mullen is independent under NYSE and SEC standards