EXHIBIT 99.18
CONSENT OF SCOTT WESTON
| To: | United States Securities and Exchange Commission |
| Re: | Northern Dynasty Minerals Ltd. (the “Company”) Annual Report on Form 40-FConsent of Expert |
This consent is provided in connection with the Company’s annual report on Form 40-F for the year ended December 31, 2025 to be filed by the Company with the United States Securities and Exchange Commission (the “SEC”) and any amendments thereto (the “Annual Report”). The Annual Report incorporates by reference, among other things, the Company’s Annual Information Form for the year ended December 31, 2025 (the “AIF”).
I hereby consent to the use of my name in connection with reference to my review and approval of certain scientific and technical information for which I am responsible for as part ofmy involvement in the preparation of the following technical report (the “Technical Report”):
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| · | Pebble Project, NI 43-101 Technical Report Update and Preliminary Economic Assessment, Alaska, United States of America, effective date August 21, 2023 |
and to references to the Technical Report, or portions thereof for which I am responsible for, in the Annual Report, the AIF and the Company’s registration statement on Form F-10, as amended (SEC No. 333-288244) (the “Registration Statement”) and to the inclusion and incorporation by reference of the information derived from the Technical Report for which I am responsible for in the Annual Report, the AIF and the Registration Statement.
Dated the 28th day of March, 2026.
Yours truly,
/Scott Weston/
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| Scott Weston, P.Geo. |
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| Ausenco Sustainability Inc |
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