Aug 18, 2026

DUQUESNE LIGHT COMPANY
Duquesne Light Holdings Appoints Highmark Health CEO David L. Holmberg to Boards of Directors

August 18, 2026
David L. Holmberg, CEO of Highmark Health, has been named vice chairman of the boards of directors of Duquesne Light Holdings (DLH) and Duquesne Light. . .

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