Mr. Mark Peters reports

NORTHERN DYNASTY REMINDS SHAREHOLDERS OF VOTING DEADLINE FOR THE UPCOMING ANNUAL GENERAL MEETING OF SHAREHOLDERS

Northern Dynasty Minerals Ltd. is reminding shareholders of the coming deadline to vote at the company's annual general meeting, which is scheduled to be held at the Fairmont Hotel Vancouver, 900 West Georgia St., Vancouver, B.C., on June 30, 2023, at 10 a.m. local time. The board of directors of Northern Dynasty recommends that shareholders vote in favour of all the proposed items.

At the meeting, shareholders will be asked to elect the board of directors and appoint the auditor for the ensuing year.

Your vote is important -- please vote today

The proxy voting deadline is 10 a.m. PDT on Wednesday, June 28, 2023.

Questions and voting

Shareholders are encouraged to vote today through the Internet or telephone using the control number found on the proxy or voting instruction form that was mailed to you to ensure your vote is received in a timely manner.

If you have questions about the meeting matters, the voting instructions or require assistance completing your proxy form, please contact Northern Dynasty's strategic shareholder adviser and proxy solicitation agent, Laurel Hill, toll-free in North America at 1-877-452-7184, outside North America at 1-416-304-0211 or by e-mail at assistance@laurelhill.com.

Annual general meeting details

Please visit the annual general meeting page on the company's website under "investors" for complete details and links to all relevant documents ahead of the meeting.

About Northern Dynasty Minerals Ltd.

Northern Dynasty is a mineral exploration and development company based in Vancouver, Canada. Northern Dynasty's principal asset, owned through its wholly owned Alaska-based U.S. subsidiary, Pebble LP, is a 100-per-cent interest in a contiguous block of 1,840 mineral claims in southwest Alaska, including the Pebble deposit, located 200 miles from Anchorage and 125 miles from Bristol Bay. The Pebble partnership is the proponent of the Pebble project.