NorthWestern Energy Group, Inc.

NWE · Electric & Other Services Combined

Electric, Gas, and Sanitary Services boards →

Directors

Avg Age

6.1

Avg Tenure (yrs)

89%

Independent

Independent Non-independent Near rotation

Board Members

Linda Sullivan Chair

Brian Bird Director

1 director with 10+ years of tenure.

...and 7 more directors

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Source: SEC DEF 14A proxy statement filed 2026-03-12. Data extracted and structured by FindABoardSeat.