• John McArthur, executive vice president of regulated utilities; Mark Mulhern, executive vice president and chief administrative officer, and Paula Sims, chief integration and innovation officer, resigned Tuesday, a day after CEO Jim Rogers testified to regulators about why Duke's board ousted former Progress CEO Bill Johnson a day after Duke and Progress merged.
• A company statement said, "We regret that John, Mark and Paula have decided to move on from Duke Energy. Since we closed the merger, we have spoken extensively with the members of our senior management committee. Our hope was that we could all work together to capitalize on the significant opportunities we now have as one company."
• Duke said it would replace the three by drawing on the "deep bench of executives" from the two companies.

From the release:

Duke Energy Corporation today announced that John McArthur, executive vice president of Regulated Utilities, Mark Mulhern, executive vice president and chief administrative officer, and Paula Sims, chief integration and innovation officer, have resigned, effective immediately. ...