Tri-State Generation & Transmission Elects Wheatland Representative to Board

What Happened
Tri-State Generation and Transmission Association, Inc. filed an 8-K reporting that, on September 22, 2026, its member Wheatland Rural Electric Association certified the election of Amy Miller as the director representing Wheatland on Tri‑State’s Board of Directors. The filing was executed on September 23, 2026 and signed by Bryan R. Davis, Senior Vice President/Chief Financial Officer. Mrs. Miller is expected to serve on Tri‑State’s External Affairs‑Member Relations Committee.

Key Details

• Election certified: September 22, 2026.
• Director elected: Amy Miller, representing Wheatland Rural Electric Association.
• Committee assignment: External Affairs‑Member Relations Committee (expected).
• 8‑K filed and signed: September 23, 2026 by Bryan R. Davis, SVP/CFO (Item 5.02 disclosure).

Why It Matters
This is a governance update reflecting a change in Tri‑State’s board representation for the Wheatland member. For investors, such director appointments are primarily relevant for monitoring board composition and member representation in this member‑owned utility; the filing does not report financial results or operational changes and indicates a routine governance action rather than an immediate financial impact.