Dear MTNT Shareholders,

MTNT’s Notice of the 2025 Annual Meeting of Shareholders, Annual Report, Proxy Card, Proxy Statement & Rules of Election were mailed to Voting Shareholders.

Please save the dates:
• June 25, 2025, 4 p.m. AKDT: Early Bird Proxy Deadline
• July 23, 2025, 4 p.m. AKDT: Proxy Deadline and e-Vote Prize Drawing
• July 26, 2025, 9 a.m. Registration Opens: Annual Meeting of Shareholders, McGrath, Alaska

You can triple your chances to be entered in the 2025 Annual Meeting Prize Drawings by: (1) Voting; (2) Voting by the Early Bird Deadline of June 25th; (3) Voting online at https://www.mtntvote.com/.

Please note that to be a valid Proxy at the meeting, Proxies must be received by the Inspector of Elections no later than 4 p.m. AKDT, Wed., July 23, 2025 to be a valid proxy at the 2025 Annual Meeting.

Please see below for more information. You may also visit MTNT’s website at https://mtnt.net/our-shareholders-2/2025annualmeeting-1/ or the Shareholder Portal at https://mymtnt.com/.