Key facts
| Company | Northern Dynasty Minerals Ltd. (TSX: NDM) |
|---|---|
| Commodity | Gold |
| Location | USA |
| Stage | Early exploration |
About Pebble Project
The Pebble Project is located in southwest Alaska. Northern Dynasty is 100% owner of the Pebble Partnership, which is advancing the world-class Pebble deposit towards permitting and development. The project proponent is Northern Dynasty’s Alaska-based, wholly owned subsidiary, the Pebble Partnership. For more information regarding the Pebble Partnership please visitwww.pebblepartnership.com.
News releases51 on file
Northern Dynasty Minerals Reports Change to Board of Directors
Wayne Kirk has stepped down from the Board of Directors of Northern Dynasty Minerals for personal reasons. Chairman Bob Dickinson thanked Kirk for his contributions to the Company. Northern Dynasty's principal asset, held through its Alaska-based subsidiary Pebble Limited Partnership, is a 100% interest in 1,840 mineral claims in Southwest Alaska, including the Pebble deposit.
ManagementNorthern Dynasty Reports Oral Arguments Held
Oral arguments were held on June 25, 2026 in Alaska Federal District Court in Northern Dynasty Minerals' case seeking withdrawal of the Environmental Protection Agency's veto. President and CEO Ron Thiessen said the matter is now ripe for decision by the court. The Company's principal asset is a 100% interest in 1,840 mineral claims in Southwest Alaska, including the Pebble deposit, held through i
CorporateNorthern Dynasty: Alaska Court Moves Quickly, Setting Date for Oral Argument for June 25, 2026
Oral argument in the Federal District Court litigation in Alaska brought by Northern Dynasty and its wholly owned Pebble Limited Partnership to vacate the EPA veto has been scheduled for June 25, 2026. All briefs by all parties have been filed. The Pebble Project comprises 1,840 mineral claims in Southwest Alaska, 200 miles from Anchorage and 125 miles from Bristol Bay.
CorporateNorthern Dynasty: Plaintiffs File Response Briefs Detailing Serious Issues in DOJ Brief
Northern Dynasty and its Pebble Limited Partnership subsidiary filed a brief in Alaska Federal Court on April 14, 2026 responding to the Department of Justice brief filed February 17, 2026 on behalf of the EPA, arguing the Clean Water Act veto of the Pebble Project is illegal and should be withdrawn. The State of Alaska, Iliamna Natives Ltd. and Alaska Peninsula Corp. also filed response briefs. T
CorporateNorthern Dynasty: Response to DOJ Brief
Northern Dynasty Minerals and its subsidiary Pebble Limited Partnership responded to a Department of Justice brief filed in Alaska Federal Court on February 17, 2026 defending the EPA's Clean Water Act veto of the Pebble Project in Southwest Alaska. The company said it will file its response brief on or before April 15, arguing the veto is unlawful and contradicts the Final Environmental Impact St
CorporateNorthern Dynasty: Update on Summary Judgement Case
The U.S. Department of Justice filed its brief in Alaska Federal Court on February 17, 2026, in the summary judgement case concerning the EPA veto of the Pebble Project in Southwest Alaska. Northern Dynasty and its wholly owned subsidiary Pebble Limited Partnership said they are reviewing the filing with their legal team and will provide detailed comments once that review is completed in the next
CorporateNorthern Dynasty: Update of Timelines for Summary Judgement Case
Court-mandated timelines were updated for the summary judgement litigation pending in the Federal District Court in Alaska involving Northern Dynasty's wholly owned Pebble Limited Partnership. Plaintiffs, comprising the State of Alaska, Pebble Partnership, Iliamna Natives Ltd. and Alaska Peninsula Corp., filed summary judgement briefs on October 3, 2025; the Department of Justice must file its bri
CorporateNorthern Dynasty: NMA, AEMA, AMA and the U.S. Chamber of Commerce File Court Documents Against the Illegal Obama/Biden Veto on One of the World’s Largest Undeveloped Copper Projects, located in the U.S.
The National Mining Association, American Exploration & Mining Association, Alaska Mining Association and U.S. Chamber of Commerce have filed amicus briefs in Alaska Federal Court supporting Northern Dynasty's Pebble Project against the EPA's Clean Water Act Section 404(c) veto. The briefs argue the EPA misread the term "unacceptable" in Section 404(c) and failed to consider the financial conseque
CorporateNorthern Dynasty: Timelines for Summary Judgement Case Updated to Reflect 43-day Federal Shutdown
Litigation in Alaska Federal Court over the EPA veto of the Pebble Project will resume following the 43-day federal government shutdown, with revised filing deadlines. The Department of Justice must now file its response brief by February 16, 2026, moved from January 2, 2026, and the plaintiffs must respond by April 15, 2026. Plaintiffs are the State of Alaska, Pebble Limited Partnership, Iliamna
CorporateNorthern Dynasty: Fifth and Final Tranche of $12 million Royalty Investment Received
A $12 million payment has been received, representing the fifth and final tranche under the royalty agreement dated July 26, 2022, as amended, bringing the aggregate purchase price to $60 million. The payment was made ahead of the December 31, 2025 deadline, placing the maximum royalty rates in effect, so the royalty holder is entitled to 10% of payable gold production and 30% of payable silver pr
FinancingNorthern Dynasty: Compelling Summary Judgement Legal Briefs Filed Demonstrating Why the Veto is Illegal and Should be Withdrawn Immediately
Summary judgement briefs were filed on October 3, 2025 in Alaska Federal Court by Northern Dynasty and its wholly owned Pebble Limited Partnership, along with the State of Alaska, Iliamna Natives Ltd. and Alaska Peninsula Corp., arguing that the EPA's Clean Water Act veto of the Pebble Project is illegal. The government has until January 2, 2026 to file a response brief, and has requested a stay c
CorporateNorthern Dynasty: Fourth Tranche of $12 million Royalty Investment Received, Update on Government Discussions and Court Filings
A $12 million fourth tranche payment was received under Northern Dynasty's royalty agreement dated July 26, 2022, as amended, bringing total investment to $48 million of a possible $60 million. The royalty investor may elect to complete the fifth and final $12 million tranche up to December 31, 2025; maximum royalty rates of 10% of payable gold and 30% of payable silver production are unchanged. T
FinancingNorthern Dynasty: Update on Veto Removal Negotiations and Order Setting Summary Judgement Timetable
Judge Gleason in the Alaska Federal District has granted a motion setting a summary judgement briefing schedule in the litigation over the EPA veto of the Pebble Project in Southwest Alaska, with plaintiffs (the State of Alaska, Pebble Limited Partnership and Iliamna Natives Ltd, et al.) to file opening briefs by October 3, 2025, the Department of Justice to respond by January 2, 2026, and plainti
CorporateNorthern Dynasty: Motion for Summary Judgement Filed in Federal District Court in Alaska
A motion has been filed in Federal District Court in Alaska seeking a summary judgment briefing schedule in litigation challenging the lawfulness of the Biden administration's EPA veto affecting the Pebble Project in Southwest Alaska. Northern Dynasty and its wholly owned subsidiary Pebble Limited Partnership said discussions with the EPA have taken place but no settlement has been reached, and th
CorporateNorthern Dynasty: Update on Negotiations with EPA
Northern Dynasty Minerals and its wholly owned Pebble Limited Partnership are negotiating with the EPA to explore a potential settlement regarding the Pebble Project in Southwest Alaska. An EPA court filing dated July 3, 2025 states agency officials remain open to reconsideration and that discussions have addressed a potential further submission from PLP, with agreement on its scope expected withi
CorporateNorthern Dynasty: Pebble Partnership Consents to EPA Request for Additional 20-day Abeyance to July 3, 2025
Northern Dynasty Minerals and its wholly owned subsidiary Pebble Limited Partnership have told the government they do not object to a motion from the EPA and U.S. Army Corps of Engineers to hold litigation in abeyance for a further 20 days, to July 3, 2025. This follows prior 90- and 30-day abeyances requested by the defendants. The litigation concerns the EPA's Clean Water Act Final Determination
CorporateNorthern Dynasty: Third Tranche of Amended Royalty Agreement Completed with Receipt of US$12 Million
A US$12 million third tranche payment has been received under Northern Dynasty's July 26, 2022 royalty agreement, bringing the Royalty Holder's total investment to $36 million of a possible $60 million. Completion of each tranche entitles the holder to an additional 2% of payable gold and 6% of payable silver production from the Pebble Project in Alaska. A second amendment extends the deadline for
FinancingNorthern Dynasty: Pebble Partnership Consents to EPA’s Request for Additional 30-day Abeyance
Northern Dynasty Minerals and its wholly owned Pebble Limited Partnership have told the Court they do not object to a motion by the EPA and U.S. Army Corps of Engineers to hold the litigation in abeyance for a further 30 days, in addition to the 90-day abeyance the defendants requested on February 14, 2025. CEO Ron Thiessen cited the absence of a confirmed Assistant Attorney General for the Justic
CorporateNorthern Dynasty: President Trump Signs Executive Order to Increase America’s Mineral Production
Commentary was provided on the executive order issued by President Trump on March 20, 2025, titled "Immediate Measures to Increase America's Mineral Production," which directs Federal agencies to expedite approvals for domestic mineral production projects and cites minerals including copper and gold. Northern Dynasty noted its Pebble deposit in Alaska, held through its wholly owned Pebble Limited
NewsNorthern Dynasty: Pebble Partnership Consents to EPA’s Request for 90-Day Abeyance for New Agency Leadership to Decide How to Proceed
Pebble Limited Partnership and Northern Dynasty informed the Court they do not object to a motion by the EPA and U.S. Army Corps of Engineers to hold the litigation in abeyance for 90 days, allowing new agency leadership to decide how to proceed. The Pebble Project comprises 1,840 mineral claims in Southwest Alaska, 200 miles from Anchorage and 125 miles from Bristol Bay, held through the wholly o
CorporateNorthern Dynasty: Open Letter to Shareholders
An Open Letter to Shareholders has been issued, updating shareholders on recent events and what they could mean for the Pebble Project in the near to medium term. The full text is available on the Company's website. Northern Dynasty holds a 100% interest, through its subsidiary Pebble Limited Partnership, in 1,840 mineral claims in Southwest Alaska, including the Pebble deposit, 200 miles from Anc
CorporateNorthern Dynasty: Alaska Governor Asks Trump to Prioritize Alaska-Specific Executive Order to Simplify Permitting
Alaska Governor Mike Dunleavy has sent President-elect Donald Trump a report titled "Alaska Priorities for Federal Transition," along with a letter requesting a first-day Alaska-specific Executive Order reversing several Biden Administration resource extraction initiatives. Recommendations include simplifying Clean Water Act regulations consistent with the Supreme Court Sackett decision on Waters
CorporateNorthern Dynasty: Josie Hickel Joins Board of Directors
Josie Hickel has joined Northern Dynasty Minerals' Board of Directors, as well as its Compensation and Sustainability Committees. Hickel was Senior Vice President, HR and Administration of the Pebble Limited Partnership from 2008-2014, served as President of the Chugach Regional Native Corporation, and is currently Owner, CEO and President of Sustainable Alaska Consulting Services. Northern Dynast
ManagementNorthern Dynasty: Alaska Court Grants Motion to Add USACE to Existing EPA Complaint
The U.S. Federal District Court in Alaska granted a motion to amend Northern Dynasty's existing complaint against the EPA to add the US Army Corps of Engineers as a defendant. The motion for leave to file the amended complaint, seeking to reverse the USACE decision denying the Pebble Project a permit, was filed on June 10, 2024. Pebble Limited Partnership, Northern Dynasty's wholly owned Alaska-ba
CorporateNorthern Dynasty: Second Tranche of Amended Royalty Agreement Completed with Receipt of US$10 Million
The remaining US$10 million royalty payment under the second tranche of the July 26, 2022 royalty agreement, as amended November 13, 2023, has been received, completing all six US$2 million installments totaling US$12 million on or before July 26, 2024. The Royalty Holder's entitlement now totals 4% of payable gold production and 12% of payable silver production from the Pebble Project in Alaska.
FinancingNorthern Dynasty: Two Alaska Native Village Corporations Sue to Stop EPA’s Pebble Project Veto
Two Alaska Native Village corporations, Iliamna Natives Limited and Alaska Peninsula Corporation, have filed suit against the Environmental Protection Agency, alleging it exceeded its authority in vetoing the Pebble Project in Southwest Alaska. Northern Dynasty holds a 100% interest in the project through its Alaska-based subsidiary Pebble Limited Partnership, comprising 1,840 mineral claims locat
CorporateNorthern Dynasty: Files Motion to Modify its EPA Veto Complaint by Adding New Claims Against the US Army Corps of Engineers
A motion for leave to file an amended complaint was filed on June 7, 2024 in federal district court in Alaska by Northern Dynasty and its wholly owned Pebble Limited Partnership, adding the U.S. Army Corps of Engineers as a defendant to the action filed March 15, 2024 against the EPA over its veto of the Pebble Project. The amended complaint claims the USACE's November 25, 2020 permit denial was u
CorporateNorthern Dynasty: USACE Updates the Pebble Permitting Process in Light of the EPA Veto
The US Army Corps of Engineers has declined to engage in the remand process related to its November 25, 2020 denial of the permit application for the Pebble Project in Alaska, citing the EPA's veto of the development. A separate USACE division had remanded the denial to the Alaska District on April 25, 2023 after an administrative review found errors. Northern Dynasty filed an appeal of the EPA ve
CorporateNorthern Dynasty: State of Alaska Files Action Seeking to Vacate EPA’s Unlawful Veto
The State of Alaska filed an action in Federal District Court in Alaska on April 11, 2024 seeking to vacate the Environmental Protection Agency's veto of development at the Pebble Project. Northern Dynasty and its 100%-owned subsidiary Pebble Limited Partnership had previously announced their own federal court filings on March 15, 2024, seeking to vacate the EPA veto and a takings case.
CorporateNorthern Dynasty Files Two Separate Actions: Seeking to Vacate EPA’s Illegal Veto and a Takings Case
Two legal actions have been filed by Northern Dynasty and its wholly owned Pebble Limited Partnership challenging federal actions blocking a mine at the Pebble Project in Southwest Alaska. One action, in Federal District Court in Alaska, seeks to vacate the EPA's Clean Water Act Section 404(c) veto; the second, in the United States Court of Federal Claims in Washington, DC, claims the EPA's action
CorporateNorthern Dynasty: Comments on Recent Supreme Court Decision and Anticipated Next Steps
The U.S. Supreme Court declined to allow Alaska to bypass the usual court review process in its effort to overturn the EPA's veto of the Pebble Project lands in Southwest Alaska, a decision the Company describes as purely procedural. Northern Dynasty says the next step is a filing in federal district court, expected in the coming weeks, arguing the veto is illegal and arbitrary and capricious. Ala
CorporateNorthern Dynasty: Pebble Responds to US Supreme Court Decision to Deny Alaska’s Petition
The US Supreme Court has denied the State of Alaska's petition to review its claims that the EPA's veto of the Pebble Project was illegal. Pebble Limited Partnership CEO John Shively said the legal issues raised by the state will now work their way through the federal courts, and that the company will evaluate its legal options in contesting the EPA's actions. Pebble is Northern Dynasty's 100%-own
CorporateNorthern Dynasty Closes US$15 million Convertible Notes Offering and CAD$3.4 million Private Placement
Convertible notes with an aggregate principal amount of US$15,000,000 have been purchased by Kopernik Global Investors, LLC on behalf of its clients, closing the previously announced offering. Northern Dynasty also closed a non-brokered private placement of 8,555,000 units at CAD$0.40 per unit for gross proceeds of CAD$3,422,000. Proceeds will be used to advance the Pebble Project in Southwest Ala
FinancingNorthern Dynasty Announces US$15 million Convertible Notes Offering and Up To CAD$3.4 million Private Placement
A definitive agreement was signed with Kopernik Global Investors, LLC for US$15,000,000 aggregate principal amount of convertible notes, carrying a 10-year term, 2.0% annual interest payable semi-annually from June 30, 2024, and a conversion price of US$0.3557 per share, a 10% premium to the 5-day VWAP on NYSE American. A separate non-brokered private placement of up to 8,500,000 units at CAD$0.40
FinancingNorthern Dynasty: U.S. Army Corps Further Extends the Deadline to Comment on Future Plans
The U.S. Army Corps of Engineers' Alaska District has received a sixth extension of the deadline to communicate how it will proceed with its reconsideration of the administrative record after remand for the Pebble Project in Southwest Alaska. The Division Commander approved the extension until the Supreme Court acts on the State of Alaska's bill of complaint challenging the EPA's exercise of Clean
CorporateNorthern Dynasty Issues Correction
Statements made by CEO Ron Thiessen in a Crux Investor interview dated September 19, 2023, regarding the level of engineering conducted on the Pebble Project in Alaska have been retracted as potentially misleading, as they may have suggested a higher level of study than defined by the September 18, 2023 Preliminary Economic Assessment Technical Report. Investors should not rely on those statements
NewsNorthern Dynasty Receives Initial Advance under Second Tranche of Amended Royalty Agreement
An initial $2 million royalty investment has been received under the second tranche of Northern Dynasty's July 26, 2022 royalty agreement, which has been amended to let the royalty holder fund the $12 million second tranche in six equal $2 million installments, each carrying about 0.33% of payable gold and 1% of payable silver production from the Pebble Project in Alaska. If all six installments a
FinancingNorthern Dynasty: CEO Provides Open Letter on Recent Events
A September 2023 CEO Open Letter to Shareholders has been published, providing additional information and context on recent events, developments and initiatives related to the Pebble Project. The full text is available on the Company's website. Northern Dynasty holds a 100% interest in 1,840 mineral claims in Southwest Alaska, including the Pebble deposit, through its subsidiary Pebble Limited Par
NewsNorthern Dynasty: Re-filing of Independent Technical Report Update and Preliminary Economic Assessment to Correct Typographical Errors and Formatting
An amended independent technical report, Pebble Project, NI 43-101 Technical Report Update and Preliminary Economic Assessment, Alaska, United States of America, with an effective date of August 21, 2023, has been re-filed on www.sedarplus.ca. The amended version corrects typographical and formatting errors, resulting in the correction and/or replacement of certain figures and tables. The report i
Study resultsNorthern Dynasty: Independent Technical Report Update and Preliminary Economic Assessment Filed
An independent NI 43-101 technical report, Pebble Project, NI 43-101 Technical Report Update and Preliminary Economic Assessment, Alaska, United States of America, with an effective date of August 21, 2023, has been filed on sedarplus.ca. The filing follows Northern Dynasty's September 5, 2023 news release. The report is also available on the Company's website homepage.
Study results