# EDGAR Filing Document

**Accession Number:** 0001543418
**File Stem:** 0001104659-25-104999
**Filing Date:** 2025-10
**Character Count:** 154474
**Document Hash:** 854b077992300aec75243146a58f4b61
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-104999.hdr.sgml**: 20251031

**ACCESSION NUMBER**: 0001104659-25-104999

**CONFORMED SUBMISSION TYPE**: S-3ASR

**PUBLIC DOCUMENT COUNT**: 26

**FILED AS OF DATE**: 20251031

**DATE AS OF CHANGE**: 20251031

**EFFECTIVENESS DATE**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Trilogy Metals Inc.
- **CENTRAL INDEX KEY:** 0001543418
- **STANDARD INDUSTRIAL CLASSIFICATION:** GOLD & SILVER ORES [1040]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** S-3ASR
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-291209
- **FILM NUMBER:** 251441348

**BUSINESS ADDRESS:**
- **STREET 1:** 510 BURRARD STREET, SUITE 901
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C 3B8
- **BUSINESS PHONE:** (604) 638-8088

**MAIL ADDRESS:**
- **STREET 1:** 510 BURRARD STREET, SUITE 901
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C 3B8

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NovaCopper Inc.
- **DATE OF NAME CHANGE:** 20120228

**As filed with the Securities and Exchange Commission on October 31, 2025**

**Registration No. 333-_______**

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM S-3**

**REGISTRATION STATEMENT<br> UNDER<br> THE SECURITIES ACT OF 1933**

**TRILOGY METALS Inc.**

**(Exact name of registrant as specified in its charter)**

---

| | |
|:---|:---|
| **British Columbia** | **98-1006991** |
| **(State or other jurisdiction of** | **(I.R.S. Employer** |
| **incorporation or organization)** | **Identification Number)** |
| <br> **Suite 901, 510 Burrard Street**<br> **Vancouver, British Columbia**<br> **Canada, V6C 3A8**<br> **(604) 638-8088**  | <br> **Suite 901, 510 Burrard Street**<br> **Vancouver, British Columbia**<br> **Canada, V6C 3A8**<br> **(604) 638-8088**  |
| **(Address, including zip code, and telephone number, including area code of registrant's principal executive offices)** | **(Address, including zip code, and telephone number, including area code of registrant's principal executive offices)** |

---

**Registered Agent Services, Inc.**

**Corporate Center One**

**5301 Southwest Parkway, Suite 400**

**Austin, TX 78735**

**(888) 705-7274**

**(Name, address, including zip code, and telephone number, including area code, of agent for service)**

**Copies to:**

---

| | |
|:---|:---|
| &nbsp;&nbsp; **Kimberley R. Anderson**<br> **Dorsey & Whitney LLP**<br> **701 5th Avenue, Suite 6100**<br> **Seattle, Washington 98104**<br> **(206) 903-8800** | &nbsp;&nbsp; **Trisha Robertson**<br> **Blake, Cassels & Graydon LLP**<br> **1133 Melville Street**<br> **Suite 3500, The Stack,**<br> **Vancouver, British Columbia, Canada**<br> **V6E 4E5**<br> **(604) 631-3300** |

---

**From time to time after the effective date of this Registration Statement<br> (Approximate date of commencement of proposed sale to the public)**

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ◻

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ⌧

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ◻

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ◻

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ⌧

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ◻

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer", "accelerated filer", "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer ◻ Accelerated filer ◻ Non-accelerated filer ⌧

Smaller reporting company ⌧ Emerging growth company ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act. ◻

**PROSPECTUS**

![](tm2529681d1_s3asrimg001.jpg)

**Common Shares**

**Warrants**

**Share Purchase Contracts**

**Subscription Receipts**

**Units**

We may offer and issue from time to time common shares (the "**Common Shares**"), warrants to purchase Common Shares (the "**Warrants**"), Share Purchase Contracts (as defined herein), Subscription Receipts (as defined herein) and units comprised of some or all of the other securities described above ("**Units**") (all of the foregoing, collectively, the "**Securities**") or any combination thereof in one or more transactions under this shelf prospectus (which we refer to as the "**Prospectus**"). Securities may be offered separately or together, at times, in amounts, at prices and on terms to be determined based on market conditions at or prior to the time of each offering and set forth in an accompanying shelf prospectus supplement (a "**Prospectus Supplement**").

This Prospectus provides you with a general description of the Securities that we may offer. Each time we offer Securities, we will provide you with a Prospectus Supplement that describes specific information about the particular Securities being offered and may add, update or change information contained or incorporated by reference in this Prospectus. You should read both this Prospectus and the Prospectus Supplement, together with the additional information which is incorporated by reference into this Prospectus and the Prospectus Supplement.

Our outstanding Common Shares are listed and posted for trading on the Toronto Stock Exchange ("**TSX**") and the NYSE American LLC ("**NYSE American**"), under the symbol "TMQ". Unless otherwise specified in the applicable Prospectus Supplement, Securities other than the Common Shares will not be listed on any securities exchange. **There is currently no market through which the Securities, other than the Common Shares, may be sold and you may not be able to resell such Securities purchased under this Prospectus and any applicable Prospectus Supplement. This may affect the pricing of such Securities in the secondary market, the transparency and availability of trading prices, the liquidity of the Securities, and the extent of issuer regulation. See "*Risk Factors*"**.

**Investing in our Securities involves a high degree of risk. You should carefully read the** "**Risk Factors**" **section contained elsewhere in this Prospectus and carefully consider the discussion of risks and uncertainties under the heading "*Risk Factors*" contained in any applicable Prospectus Supplement and in the documents that are incorporated by reference herein and therein.**

**Prospective investors should be aware that the acquisition of the Securities described herein may have tax consequences. You should read the tax discussion contained in the applicable Prospectus Supplement and consult your tax advisor with respect to your own particular circumstances. See "*Certain Canadian and U.S. Federal Income Tax Considerations*" in this Prospectus.**

**Neither the Securities and Exchange Commission ("SEC") nor any state securities commission has approved or disapproved these securities, or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.**

**The date of this Prospectus is October 31, 2025.**

**TABLE OF CONTENTS**

---

| | |
|:---|:---|
| [ABOUT THIS PROSPECTUS](#a_001) | [4](#a_001) |
| [risk factors](#a_002) | [6](#a_002) |
| [CAUTIONARY NOTE TO United States INVESTORS](#a_003) | [9](#a_003) |
| [Cautionary Statement Regarding Forward-Looking Statements](#a_004) | [9](#a_004) |
| [Exchange Rate Information](#a_005) | [12](#a_005) |
| [The Company](#a_006) | [12](#a_006) |
| [Use of Proceeds](#a_007) | [13](#a_007) |
| [Dividend Policy](#a_008) | [14](#a_008) |
| [Description of Share Capital](#a_012) | [14](#a_012) |
| [DESCRIPTION OF WARRANTS](#a_013) | [14](#a_013) |
| [DESCRIPTION OF SHARE PURCHASE CONTRACTS](#a_014) | [15](#a_014) |
| [DESCRIPTION OF SUBSCRIPTION RECEIPTS](#a_015) | [15](#a_015) |
| [DESCRIPTION OF UNITS](#a_016) | [17](#a_016) |
| [PLAN OF DISTRIBUTION](#a_017) | [17](#a_017) |
| [CERTAIN CANADIAN and U.S. Federal Income Tax Considerations](#a_018) | [20](#a_018) |
| [Legal Matters](#a_019) | [20](#a_019) |
| [AUDITORS, Transfer Agent and Registrar](#a_020) | [20](#a_020) |
| [Interest of Experts](#a_021) | [21](#a_021) |
| [Documents Incorporated by Reference](#a_022) | [21](#a_022) |
| [WHERE YOU CAN FIND additional information](#a_023) | [22](#a_023) |
| [Enforceability of Civil Liabilities](#a_024) | [23](#a_024) |

---

**ABOUT THIS PROSPECTUS**

This prospectus is part of an automatic shelf registration statement that we have filed with the SEC as a "well-known seasoned issuer" as defined under Rule 405 under the Securities Act of 1933, as amended (the "**Securities Act**"). Under this shelf registration process, we may sell any combination of the Securities described in this Prospectus in one or more offerings. The specific terms of the Securities with respect to a particular offering will be set out in the applicable Prospectus Supplement and may include, where applicable: (i) in the case of Common Shares, the number of Common Shares offered, the issue price, and any other terms specific to the Common Shares being offered; (ii) in the case of Warrants, the designation, terms, number of Common Shares issuable upon exercise of the Warrants, any procedures that will result in the adjustment of these numbers, the exercise price, dates and periods of exercise, the currency in which the Warrants are issued and any other specific terms; (iii) in the case of Share Purchase Contracts, the designation, number and terms of the Common Shares to be purchased under the Share Purchase Contract, any procedures that will result in the adjustment of these numbers, the purchase price and purchase date or dates of the Common Shares, any requirements of the purchaser to secure its obligations under the Share Purchase Contract and any other specific terms; (iv) in the case of Subscription Receipts, the number of Subscription Receipts offered, the issue price, the currency, the terms, conditions and procedures for the conversion or exercise of such Subscription Receipts into or for Common Shares or other securities or pursuant to which the holders thereof will become entitled to receive Common Shares or such other securities, and any other terms specific to the Subscription Receipts being offered; and (v) in the case of Units, the number of Units offered, the terms of the Units, the offering price, the number of Common Shares, Warrants or other Securities included in each Unit and any other specific terms. Where required by statute, regulation or policy, and where Securities are offered in currencies other than Canadian dollars, appropriate disclosure of foreign exchange rates applicable to such Securities will be included in the Prospectus Supplement describing such Securities.

We may offer and sell Securities to or through underwriting syndicates or dealers, through agents or directly to purchasers. The Prospectus Supplement for each offering of Securities will describe in detail the plan of distribution for that offering.

In connection with any offering of the Securities (unless otherwise specified in a Prospectus Supplement), the underwriters or agents may over-allot or effect transactions which stabilize or maintain the market price of the Securities offered at a higher level than that which might exist in the open market. Such transactions, if commenced, may be interrupted or discontinued at any time. See "*Plan of Distribution*".

Please carefully read both this Prospectus and any Prospectus Supplement together with the documents incorporated herein by reference under "*Documents Incorporated by Reference*" and the additional information described below under "*Where You Can Find Additional Information*".

**This Prospectus and the documents incorporated by reference in this Prospectus contain forward-looking statements and forward-looking information within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws. See *"Cautionary Statement Regarding Forward-Looking Statements*".**

**Prospective investors should be aware that the acquisition of the Securities described herein may have tax consequences. You should read the tax discussion contained in the applicable Prospectus Supplement and consult your tax advisor with respect to your own particular circumstances.**

You should rely only on the information contained or incorporated by reference in this Prospectus and any Prospectus Supplement. We have not authorized anyone to provide you with different information. The distribution or possession of this Prospectus in or from certain jurisdictions may be restricted by law. This Prospectus is not an offer to sell these Securities and is not soliciting an offer to buy these Securities in any jurisdiction where the offer or sale is not permitted or where the person making the offer or sale is not qualified to do so or to any person to whom it is not permitted to make such offer or sale. The information contained in this Prospectus is accurate only as of the date of this Prospectus and any information incorporated by reference is accurate as of the date of the applicable document incorporated by reference, regardless of the time of delivery of this Prospectus or of any sale of the Securities. Our business, financial condition, results of operations and prospects may have changed since that date.

In this Prospectus and in any Prospectus Supplement, unless the context otherwise requires, references to "Trilogy", the "Company", "we", "us" and "our" refer to Trilogy Metals Inc., either alone or together with our subsidiaries as the context requires.

The complete mailing address and telephone number of our principal executive officers is Suite 901, 510 Burrard Street, Vancouver, British Columbia, Canada, V6C 3A8; (604) 638-8088.

**Unless stated otherwise or as the context otherwise requires, all references to dollar amounts in this Prospectus and any Prospectus Supplement are references to United States dollars. References to "$" or "US$" are to United States dollars and references to "Cdn$" or "C$" are to Canadian dollars. See "*Exchange Rate Information*". Our financial statements that are incorporated by reference into this Prospectus and any Prospectus Supplement have been prepared in accordance with accounting principles generally accepted in the United States.**

**risk factors**

*Investing in the Securities is speculative and involves a high degree of risk due to the nature of our business and the present stage of exploration of our mineral properties. The following risk factors, as well as risks currently unknown to us, could materially adversely affect our future business, operations and financial condition and could cause them to differ materially from the estimates described in forward-looking information relating to Trilogy, or our business, property or financial results, each of which could cause purchasers of Securities to lose all or part of their investments. The risks set out below are not the only risks we face; risks and uncertainties not currently known to us or that we currently deem to be immaterial may also materially and adversely affect our business, financial condition, results of operations and prospectus. Before deciding to invest in any Securities, investors should consider carefully the risks included herein and incorporated by reference in this Prospectus (including subsequently filed documents incorporated by reference) and those described in any Prospectus Supplement.*

**Risks Related to Our Securities**

***Need for future financing.***

The future development of the Company's business will require additional financings or refinancings. There are no assurances that such financing or refinancing will be available, or if available, available on terms acceptable to the Company. If sufficient capital is not available, the Company may be required to delay the expansion of its business and operations, which could have a material adverse effect on the Company's business, financial condition, prospects or results of operations.

***Future sales, issuances or exercises of equity securities could decrease the value of Common Shares, dilute investors' voting power and reduce our earnings per share.***

Our articles of incorporation allow us to issue an unlimited number of Common Shares for such consideration and on such terms and conditions as shall be established by the board of directors of the Company (the "**Board**"), in many cases, without the approval of the shareholders.

The Company has incentive stock options to purchase Common Shares ("**Options**") issued, representing a right to receive Common Shares upon their exercise. In addition, the Company has restricted share units ("**RSUs**") and deferred share units ("**DSUs**") issued, representing a right to receive Common Shares on vesting and satisfaction of the settlement conditions. The exercise of the Options or the settlement of the RSUs and DSUs and the subsequent resale of such Common Shares in the public market could adversely affect the prevailing market price and the Company's ability to raise equity capital in the future at a time and price which deems it appropriate. The Company may also enter into commitments in the future which would require the issuance of additional Common Shares or may grant Warrants, and the Company is expected to grant additional Options, RSUs and DSUs. Any share issuances from the Company's treasury will result in immediate dilution to existing shareholders' percentage interest in the Company.

We may also sell additional equity securities (including through the sale of securities convertible into Common Shares) and may issue additional equity securities to finance our operations, exploration, development, acquisitions or other projects. We cannot predict the size of future sales and issuances of equity securities or the effect, if any, that future sales and issuances of equity securities will have on the market price of the Common Shares. Sales or issuances of a substantial number of equity securities, or the perception that such sales could occur, may adversely affect prevailing market prices for the Common Shares. With any additional sale or issuance of equity securities, investors will suffer dilution of their voting power and may experience dilution in our earnings per share.

***Sales by existing shareholders can reduce share prices.***

Sales of a substantial number of Common Shares in the public market could occur at any time. These sales, or the market perception that the holders of a large number of Common Shares intend to sell Common Shares, could reduce the market price of the Common Shares. If this occurs and continues, it could impair the Company's ability to raise additional capital through the sale of Securities.

***Our Common Shares are subject to various factors that have historically made share prices volatile.***

The market price of our Common Shares may be subject to large fluctuations, which may result in losses to investors. In recent years, the securities markets have experienced a high level of price and volume volatility, and the market price of many companies, particularly those considered exploration or development stage companies, have experienced wide fluctuations in price which have not necessarily been related to the operating performance, underlying asset values or prospects of such companies. The market price of the Common Shares may increase or decrease in response to a number of events and factors, including but not limited to: our operating performance and the performance of competitors and other similar companies; volatility in metal prices; the arrival or departure of key personnel; the number of Common Shares to be publicly traded after an offering pursuant to any Prospectus Supplement; the public's reaction to our press releases, material change reports, other public announcements and our filings with the various securities regulatory authorities; changes in earnings estimates or recommendations by research analysts who track the Common Shares or the shares of other companies in the resource sector; changes in general economic and/or political conditions; acquisitions, strategic alliances or joint ventures involving us or our competitors; and the factors listed under the heading "*Cautionary Statement Regarding Forward-Looking Statements*".

The market price of the Common Shares may be affected by many other variables which are not directly related to our success and are, therefore, not within our control, including other developments that affect the market for all resource sector securities, the breadth of the public market for the Common Shares and the attractiveness of alternative investments.

Securities class-action litigation often has been brought against companies following periods of volatility in the market price of their securities. Trilogy may in the future be the target of similar litigation. Securities litigation could result in substantial costs and damages and divert management's attention and resources.

***Loss of entire investment.***

There is no guarantee that an investment in the Securities will earn any positive return in the short term or long term. An investment in the Securities is highly speculative and involves a high degree of risk and should be undertaken only by investors whose financial resources are sufficient to enable them to assume such risks and who have no need for immediate liquidity in their investment. An investment in the Securities is appropriate only for investors who have the capacity to absorb a loss of their entire investment.

***We will have broad discretion over the use of proceeds.***

While detailed information regarding the use of proceeds from the sale of our Securities will be described in the applicable Prospectus Supplement, we will have broad discretion over the use of the net proceeds from an offering of our Securities. Because of the number and variability of factors that will determine our use of such proceeds, the Company's ultimate use might vary substantially from its planned use. You may not agree with how we allocate or spend the proceeds from an offering of our Securities. We may pursue acquisitions, collaborations or other opportunities that do not result in an increase in the market value of our Securities, including the market value of our Common Shares, and that may increase our losses.

***We do not intend to pay any cash dividends in the foreseeable future.***

We have not declared or paid any dividends on our Common Shares. Our current business plan requires that for the foreseeable future, any future earnings be reinvested to finance the growth and development of our business. We do not intend to pay cash dividends on the Common Shares in the foreseeable future. We will not declare or pay any dividends until such time as our cash flow exceeds our capital requirements and will depend upon, among other things, conditions then existing including earnings, financial condition, restrictions in financing arrangements, business opportunities and conditions and other factors, or our Board determines that our shareholders could make better use of the cash.

***Negative operating cash flow.***

Trilogy had negative operating cash flow for recent past financial reporting periods. The Company anticipates that it will continue to have negative operating cash flow until such time, if at all, the Upper Kobuk Mineral Projects go into production. To the extent that Trilogy has negative operating cash flow in future periods, Trilogy may need to allocate a portion of its cash reserves to fund such negative cash flow. Trilogy may also be required to raise additional funds through the issuance of equity securities. There can be no assurance that additional capital or other types of financing will be available when needed or that these financings will be on terms favourable to Trilogy.

***There is no assurance of a sufficient liquid trading market for Common Shares in the future.***

Shareholders may be unable to sell significant quantities of Common Shares into the public trading markets without a significant reduction in the price of their Common Shares, or at all. There can be no assurance that there will be sufficient liquidity of Common Shares on the trading market, and that Trilogy will continue to meet the listing requirements of the exchange on which Common Shares are listed.

***There is no market for certain of our offered Securities.***

There is no market through which Warrants, Share Purchase Contracts, Subscription Receipts or Units may be sold. Unless otherwise specified in the applicable Prospectus Supplement, the Company does not intend to apply for listing of the Warrants, Share Purchase Contracts, Subscription Receipts, or Units on any securities exchanges. There can be no assurance that an active trading market will develop for the aforementioned securities, or if developed, that such a market will be sustained at the price level at which it was offered. The liquidity of the trading market in those securities, and the market price quoted of those securities, may be adversely affected, by among other things:

&nbsp;&nbsp;&nbsp;&nbsp;· changes in the overall market for those securities;

&nbsp;&nbsp;&nbsp;&nbsp;· changes in our financial performance or prospects;

&nbsp;&nbsp;&nbsp;&nbsp;· changes or perceived changes in our creditworthiness;

&nbsp;&nbsp;&nbsp;&nbsp;· the prospects for companies in the industry generally;

&nbsp;&nbsp;&nbsp;&nbsp;· the number of holders of those securities;

&nbsp;&nbsp;&nbsp;&nbsp;· the interest of securities dealers in making
a market for those securities; and

&nbsp;&nbsp;&nbsp;&nbsp;· prevailing interest rates.

There can be no assurance that fluctuations in the trading price will not materially adversely impact our ability to raise equity funding without significant dilution to our existing shareholders, or at all.

**Risks Related to the Company**

***The consummation of the transactions contemplated by the binding letter of intent with the U.S. Government and the U.S. Government's ownership of significant equity interests in the Company may subject the Company and it stockholders to a number of additional risks and uncertainties, any of which could have a material adverse effect on the Company's business, financial condition and results of operations or adversely impact the interests of our other shareholders.***

The binding letter of intent entered into on October 6, 2025 with the U.S. Department of War (the "DOW"), led by the Office of the Undersecretary of Defense for Acquisitions and Sustainment (OUSD (A&S)) and the Office of Strategic Capital (OSC), for an investment (the "Strategic Investment") provides that the DOW will purchase from the Company 8,215,570 units at a price of $2.17 per unit for an aggregate purchase price of approximately $17.8 million. Each unit is comprised of one common share of Trilogy and 3/4 of a 10-year warrant. Each full warrant will be exercisable following completion of construction of the Ambler Access Project ("Ambler Road") at an exercise price of $0.01 to acquire one common share of Trilogy. Additionally, the DOW will purchase from South32 Limited ("South32"), the Company's joint venture partner at Ambler Metals LLC, at a price of approximately $17.8 million 8,215,570 common shares of Trilogy that South32 currently holds and a 10-year call option to acquire an additional 6,161,678 common shares of Trilogy from South32 at a price of $0.01 per share, exercisable following completion of construction of the Ambler Road. The aggregate 16,431,140 shares to be issued and/or transferred to the DOW pursuant to the transactions above represents approximately 10% of the Company's current issued and outstanding common shares. The Company and South32 will reinvest the entire proceeds from the Strategic Investment in Ambler Metals to advance the exploration and development of the UKMP (as defined below). The DOW shall have a three-year right to appoint one independent third-party director with relevant corporate governance experience to the board of directors of Trilogy, subject to the approval of the Trilogy board of directors, not to be unreasonably withheld. Finally, the letter of intent contains covenants to act in good faith regarding (i) a framework agreement among interested parties to establish the basis on which the Ambler Road can be permitted, financed and constructed, (ii) the DOW's help to facilitate financing required for the construction of the Ambler Road in coordination with the State of Alaska, and (iii) certain permitting matters. Finally, the binding letter of intent provides for limits on the Company's incurrence of indebtedness for the next three years in excess of $1 billion. The transaction is expected to close following the reauthorization of the Defense Production Act by the United States Congress and the completion by the U.S. government of its Foreign Ownership, Control, or Influence (FOCI) review; provided however, that if these conditions have not occurred prior to March 31, 2026 the letter of intent will terminate.

The closing of the Strategic Investment and the associated receipt of funds depends on the availability of appropriations from the legislative branch of the U.S. government and the ability of the executive branch of the U.S. government to obtain the funding and support contemplated by the transaction. The legislative, judicial or executive branches of the U.S. government could determine in the future that all or a portion of the transactions were unauthorized, void or voidable. The issuance of common shares to the U.S. government at a discount to the current market price is dilutive to existing shareholders, and shareholders may suffer significant additional dilution if the conditions to the Warrant are triggered and the Warrant is exercised. In addition, enforcement against a government counterparty is inherently uncertain given the defenses available to the U.S. government. The transactions contemplated by the letter of intent and the Strategic Investment may result in the U.S. government becoming one of the Company's larger shareholders. The U.S. government's interests in the Company may not be the same as those of other shareholders, and the presence of an additional large shareholder may dilute the voting power of existing or future shareholders. The contractual debt limitation may adversely impact the Company's ability to raise capital. The existence of a significant U.S. government equity interest in the Company, and the U.S. government's substantial additional powers with respect to the laws and regulations impacting the Company, may impact the Company's ability to pursue potential future strategic transactions that may be beneficial to shareholders.

***We may be a "passive foreign investment company" in future periods, which may have adverse U.S. federal income tax consequences for U.S. shareholders.***

U.S. investors in our Common Shares should be aware that we believe we were not a passive foreign investment company ("**PFIC**") for the years ending November 30, 2020 and 2021, but we believe we were a PFIC for the years ending November 30, 2018, 2019, 2022, 2023 and 2024 and may be a PFIC in future tax years. If we are a PFIC for any year during a U.S. taxpayer's holding period, then such holder generally will be required to treat any gain realized upon a disposition of Common Shares and any so-called "excess distribution" received on its Common Shares as ordinary income, and to pay an interest charge on a portion of such gain or distributions, unless the shareholder makes a timely and effective "QEF election" or a "mark-to-market election". In certain circumstances, the sum of the tax and the interest charge may exceed the total amount of proceeds realized on the disposition, or the amount of excess distribution received, by the U.S. shareholder. A U.S. taxpayer who makes a QEF election generally must report on a current basis its share of our net capital gain and ordinary earnings for any year in which we are a PFIC, whether or not we distribute any amounts to our shareholders. A U.S. taxpayer who makes the mark-to-market election generally must include as ordinary income each year the excess of the fair market value of the Common Shares over the U.S. taxpayer's tax basis therein. Information regarding material U.S. federal income tax consequences to persons investing in the Securities offered by this Prospectus will be set forth in an applicable Prospectus Supplement. Prospective purchasers should consult its own tax advisor regarding the PFIC rules and the U.S. federal income tax consequences of the acquisition, ownership, and disposition of our Securities.

***Other risks.***

Prospective purchasers should carefully consider the risks in the documents incorporated by reference into this Prospectus (including subsequently filed documents incorporated by reference), including, but not limited to, the [Annual Report on Form 10-K for the fiscal year ended November 30, 2024, filed with the SEC on February 14, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025000964/tmq-20241130x10k.htm) (the "**Form 10-K**") under the heading "*Risk Factors*". If any of such or other risks occurs, the Company's business, prospects, financial condition, financial performance and cash flows could be materially adversely impacted. In that case, the applicable Securities could decline in value and purchasers could lose all or part of their investment. There is no assurance that any risk management steps taken by the Company will avoid future loss due to the occurrence of such risks or other unforeseen risks.

**CAUTIONARY NOTE TO United States INVESTORS**

Unless otherwise indicated, all resource estimates, and any future reserve estimates, included or incorporated by reference in this Prospectus and any Prospectus Supplement have been, and will be, prepared in accordance with (i) National Instrument 43-101 – *Standards of Disclosure for Mineral Projects* ("**NI 43-101**") and the Canadian Institute of Mining, Metallurgy and Petroleum Definition Standards for Mineral Resources and Mineral Reserves ("**CIM Definition Standards**"), and (ii) Subpart 229.1300 of Regulation S-K – Disclosure by Registrants Engaged in Mining Operations ("**S-K 1300**"). NI 43-101 is a rule developed by the Canadian Securities Administrators which establishes standards for all public disclosure an issuer makes of scientific and technical information concerning mineral projects. S-K 1300 contains the rules established by the SEC concerning mining disclosure by U.S. reporting companies. While the S-K 1300 rules are similar to NI 43-101 rules in Canada, they are not identical and therefore the Company has prepared technical reports under both NI 43-101 and S-K 1300. The information contained or incorporated herein, contains pertinent information required under both NI 43-101 and S-K 1300.

**Cautionary Statement Regarding Forward-Looking Statements**

The information discussed in this Prospectus and the documents incorporated by reference into this Prospectus includes "forward-looking information" and "forward-looking statements" within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws. These forward-looking statements may include statements regarding perceived merit of properties, exploration results and budgets, mineral reserves and resource estimates, work programs, capital expenditures, operating costs, cash flow estimates, production estimates and similar statements relating to the economic viability of a project, timelines, strategic plans, statements relating anticipated activity with respect to the Ambler Mining District Industrial Access Project or Ambler Access Project ("**AAP**"), the Company's plans and expectations relating to the Arctic and Bornite projects (the "**Upper Kobuk Mineral Projects**" or "UKMP"), completion of transactions, market prices for precious and base metals, the anticipated strategic investment by the U.S. government, or other statements that are not statements of fact. These statements relate to analyses and other information that are based on forecasts of future results, estimates of amounts not yet determinable and assumptions of management.

Statements concerning mineral resource and reserve estimates may also be deemed to constitute "forward-looking statements" to the extent that they involve estimates of the mineralization that will be encountered if the property is developed and, in the case of mineral reserves, such statements reflect the conclusion based on certain assumptions that the mineral deposit can be economically and legally exploited. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, identified by words or phrases such as "expects", "is expected", "anticipates", "believes", "plans", "projects", "estimates", "assumes", "intends", "strategy", "goals", "objectives", "potential", "possible" or variations thereof or stating that certain actions, events, conditions or results "may", "could", "would", "should", "might" or "will" be taken, occur or be achieved, or the negative of any of these terms and similar expressions) are not statements of historical fact and may be forward-looking statements. Forward-looking statements are subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to differ from those reflected in the forward-looking statements, including, without limitation:

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to inability to define proven and
probable reserves;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to our ability to finance the development
of our mineral properties through external financing, strategic alliances, the sale of property interests or otherwise;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainty as to whether there will ever be
production at the Company's mineral exploration and development properties;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to our ability to commence production
and generate material revenues or obtain adequate financing for our planned exploration and development activities;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to lack of infrastructure including
but not limited to the risk whether or not the AAP will receive the requisite permits and, if it does, whether the Alaska Industrial Development
and Export Authority will build the AAP;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to inclement weather which may
delay or hinder exploration activities at our mineral properties;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to our dependence on a third party
for the development of our projects;

&nbsp;&nbsp;&nbsp;&nbsp;· none of the Company's mineral properties
are in production or are under development;

&nbsp;&nbsp;&nbsp;&nbsp;· commodity price fluctuations;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainty related to title to our mineral properties;

&nbsp;&nbsp;&nbsp;&nbsp;· our history of losses and expectation of future
losses;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to increases in demand for equipment,
skilled labor and services needed for exploration and development of mineral properties and related cost increases;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainties relating to the assumptions underlying
our resource estimates, such as metal pricing, metallurgy, mineability, marketability and operating and capital costs;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainty related to inferred, indicated and
measured mineral resources;

&nbsp;&nbsp;&nbsp;&nbsp;· mining and development risks, including risks
related to infrastructure, accidents, equipment breakdowns, labor disputes or other unanticipated difficulties with or interruptions in
development, construction or production;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainty related to successfully acquiring
commercially mineable mineral rights;

&nbsp;&nbsp;&nbsp;&nbsp;· risks and uncertainties relating to the interpretation
of drill results, the geology, grade and continuity of our mineral deposits;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to governmental regulation and
permits, including environmental regulation, including the risk that more stringent requirements or standards may be adopted or applied
due to circumstances unrelated to the Company and outside of our control;

&nbsp;&nbsp;&nbsp;&nbsp;· the risk that permits and governmental approvals
necessary to develop and operate mines at our mineral properties will not be available on a timely basis or at all;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to the need for reclamation activities
on our properties and uncertainty of cost estimates related thereto;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to the acquisition and integration
of operations or projects;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to industry competition in the
acquisition of exploration properties and the recruitment and retention of qualified personnel;

&nbsp;&nbsp;&nbsp;&nbsp;· our need to attract and retain qualified management
and technical personnel;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to conflicts of interests of some
of our directors and officers;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to potential future litigation;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to market events and general economic
conditions;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to the voting power of our major
shareholders and the impact that a sale by such shareholders may have on our share price;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to global climate change;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to adverse publicity from non-governmental
organizations;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainty as to our ability to maintain the
adequacy of internal control over financial reporting as per the requirements of Section 404 of the Sarbanes-Oxley Act;

&nbsp;&nbsp;&nbsp;&nbsp;· increased regulatory compliance costs, associated
with rules and regulations promulgated by the SEC, Canadian Securities Administrators, the NYSE American, the TSX, and the Financial
Accounting Standards Boards, and more specifically, our efforts to comply with the Dodd-Frank Wall Street Reform and Consumer Protection
Act ()"**Dodd-Frank** ");

&nbsp;&nbsp;&nbsp;&nbsp;· the need for future financing;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to future sales, issuances or exercises
of equity securities decreasing the value of Common Shares, diluting investors' voting power and reducing future earnings per share;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to the sales by existing shareholders;

&nbsp;&nbsp;&nbsp;&nbsp;· uncertainty as to the volatility in the price
of the Common Shares;

&nbsp;&nbsp;&nbsp;&nbsp;· loss of the entire investment;

&nbsp;&nbsp;&nbsp;&nbsp;· risks related to the Company's use of proceeds
from the sale of its Securities;

&nbsp;&nbsp;&nbsp;&nbsp;· the Company's expectation of not paying
cash dividends;

&nbsp;&nbsp;&nbsp;&nbsp;· risks associated with negative operating cash
flow;

&nbsp;&nbsp;&nbsp;&nbsp;· the uncertainty of maintaining a liquid trading
market for the Common Shares;

&nbsp;&nbsp;&nbsp;&nbsp;· the absence of a public market for certain of
the Securities;

&nbsp;&nbsp;&nbsp;&nbsp;· adverse federal income tax consequences for U.S.
shareholders should the Company be a "passive foreign investment company";

· risks related to the ability to complete the anticipated strategic investment by the U.S.
 government, and associated risks of having the U.S. government as a significant shareholder; and

&nbsp;&nbsp;&nbsp;&nbsp;· those risks identified in the Form 10-K
for the year-ended November 30, 2024 under the heading "*Risk Factors* ".

This list is not exhaustive of the factors that may affect any of our forward-looking statements. Forward-looking statements are statements about the future and are inherently uncertain, and our actual achievements or other future events or conditions may differ materially from those reflected in the forward-looking statements due to a variety of risks, uncertainties and other factors, including, without limitation, those referred to in this Prospectus under the heading "Risk Factors" and in the documents incorporated by reference in this Prospectus. All forward-looking statements contained in this Prospectus or in the documents incorporated by reference herein are qualified by these cautionary statements.

Our forward-looking statements are based on the beliefs, expectations and opinions of management on the date the statements are made. In connection with the forward-looking statements contained in this Prospectus and the documents incorporated, or deemed to be incorporated, by reference, we have made certain assumptions about our business, including about:

&nbsp;&nbsp;&nbsp;&nbsp;· our ability to achieve production at the Upper
Kobuk Mineral Projects;

&nbsp;&nbsp;&nbsp;&nbsp;· the accuracy of our mineral resource and reserve
estimates;

&nbsp;&nbsp;&nbsp;&nbsp;· the results, costs and timing of future exploration
drilling and engineering;

&nbsp;&nbsp;&nbsp;&nbsp;· timing and receipt of approvals, consents and
permits under applicable legislation;

&nbsp;&nbsp;&nbsp;&nbsp;· the adequacy of our financial resources;

&nbsp;&nbsp;&nbsp;&nbsp;· the receipt of third party contractual, regulatory
and governmental approvals for the exploration, development, construction and production of our properties;

&nbsp;&nbsp;&nbsp;&nbsp;· the Company's history and continued good
relationships with South32 (as defined herein), workers, unions, local communities and other stakeholders;

&nbsp;&nbsp;&nbsp;&nbsp;· the Company's ability to comply with environmental,
health and safety laws and other regulatory requirements;

&nbsp;&nbsp;&nbsp;&nbsp;· our expected ability to develop adequate infrastructure
and that the cost of doing so will be reasonable;

&nbsp;&nbsp;&nbsp;&nbsp;· there being no significant disruptions affecting
operations, whether relating to labor, supply, power, damage to equipment or other matters;

&nbsp;&nbsp;&nbsp;&nbsp;· mine plans and estimated development schedules
remaining consistent with the plans outlined in the technical reports for each project;

&nbsp;&nbsp;&nbsp;&nbsp;· expected trends and specific assumptions regarding
metal prices and currency exchange rates; and

&nbsp;&nbsp;&nbsp;&nbsp;· prices for and availability of fuel, electricity,
parts and equipment and other key supplies remaining consistent with current levels.

We have also assumed that no significant events will occur outside of our normal course of business. Although we have attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. We believe that the assumptions inherent in the forward-looking statements are reasonable as of the date of this Prospectus. However, forward-looking statements are not guarantees of future performance and, accordingly, undue reliance should not be put on such statements due to the inherent uncertainty therein.

We do not assume any obligation to update forward-looking statements if circumstances or management's beliefs, expectations or opinions should change, except as required by law. For the reasons set forth above, investors should not place undue reliance on forward-looking statements.

**Exchange Rate Information**

The following table sets forth (i) the rate of exchange for the U.S. dollar, expressed in Canadian dollars, in effect at the end of the periods indicated; (ii) the average exchange rates for the U.S. dollar, expressed in Canadian dollars, in effect during such periods; and (iii) the high and low exchange rates for the U.S. dollar, expressed in Canadian dollars, during such periods, each based on the Bank of Canada rate in effect on each trading day for the relevant period, for conversion of U.S. dollars into Canadian dollars:

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | **Fiscal Year Ended <br> November 30** | **Fiscal Year Ended <br> November 30** | **Fiscal Year Ended <br> November 30** | **Fiscal Year Ended <br> November 30** | **Fiscal Year Ended <br> November 30** | **Fiscal Year Ended <br> November 30** |
|  | **2024** | **2024** | **2023** | **2023** | **2022** | **2022** |
| High for period |  | 1.4082 |  | 1.3875 |  | 1.3856 |
| Low for period |  | 1.3205 |  | 1.3128 |  | 1.2451 |
| Average for period |  | 1.3635 |  | 1.3509 |  | 1.2947 |
| Rate at end of period |  | 1.4056 |  | 1.3582 |  | 1.3508 |

---

On October 30, 2025, the exchange rate for the U.S. dollar, as expressed in Canadian dollars based on the Bank of Canada average daily rate, was C$1.00 = US$0.7149 (US$1.00 = C$1.3987).

**The Company**

*The following description of the Company is, in some instances, derived from selected information about us contained in the documents incorporated by reference into this Prospectus. This description does not contain all of the information about us and our properties and business that you should consider before investing in any Securities. You should carefully read the entire Prospectus and the applicable Prospectus Supplement, including the section titled "Risk Factors" that immediately follows this description of the Company, as well as the documents incorporated by reference into this Prospectus and the applicable Prospectus Supplement, before making an investment decision.*

**Corporate Structure**

***Name, address and incorporation***

Trilogy Metals Inc. was incorporated on April 27, 2011 under the name NovaCopper Inc. pursuant to the terms of the *Business Corporations Act* (British Columbia) ("**BCBCA**"). NovaCopper Inc. changed its name to Trilogy Metals Inc. on September 1, 2016 to better reflect its diversified metals resource base. Our registered office is located at Suite 3500, The Stack, 1133 Melville Street, Vancouver, British Columbia, and our head office is located at Suite 901, 510 Burrard Street, Vancouver, British Columbia.

***Intercorporate relationships***

The following chart depicts our corporate structure together with the jurisdiction of incorporation of our subsidiaries. All ownership is 100% unless otherwise stated.

![](tm2529681d1_s3asrimg002.jpg)

On February 11, 2020, the Company's Upper Kobuk Mineral Projects were transferred to Ambler Metals LLC ("**Ambler Metals**"), a limited liability company incorporated under the laws of Delaware and owned equally by Trilogy and South32 Limited ("**South32**"). All mineral resources and mineral reserve estimates with respect to the Upper Kobuk Mineral Projects that are disclosed in the Form 10-K are reported on a 100% basis unless otherwise noted.

**Description of the Business**

Our principal business is the exploration and development of the Upper Kobuk Mineral Projects located in the Ambler Mining District in Northwest Alaska, United States The Upper Kobuk Mineral Projects are held by Ambler Metals and are comprised of the (i) Arctic project, which contains a high-grade polymetallic volcanogenic massive sulfide deposit; and the (ii) Bornite project, which contains a carbonate-hosted copper - cobalt deposit. Our goals include expanding mineral resources and advancing the Upper Kobuk Mineral Projects through technical, engineering and feasibility studies so that production decisions can be made on those projects. Our interest in Ambler Metals is held by a wholly-owned subsidiary, NovaCopper US Inc. (dba Trilogy Metals US), registered to do business in the State of Alaska. We also conduct early-stage exploration through a wholly owned subsidiary, 995 Exploration Inc.

**Use of Proceeds**

Specific information about the use of proceeds from the specific issuance of any Securities will be set forth in the applicable Prospectus Supplement.

We had negative operating cash flow for the financial year ended November 30, 2024. We anticipate that we will continue to have negative cash flow until such time, if ever, that commercial production is achieved at the Upper Kobuk Mineral Projects. To the extent that we have negative operating cash flows in future periods we may need to allocate a portion of our existing working capital to fund such negative cash flow. See "*Risk Factors*".

**Dividend Policy**

We have not declared or paid any dividends on our Common Shares since the date of our incorporation. We intend to retain our earnings, if any, to finance the growth and development of our business and do not expect to pay dividends or to make any other distributions in the near future. Our Board will review this policy from time to time having regard to our financing requirements, financial condition and other factors considered to be relevant.

**Description of Share Capital**

Our authorized share capital consists of an unlimited number of Common Shares without par value. As at October 30, 2025, we had 170,799,182 Common Shares outstanding.

**Common Shares**

All of the Common Shares rank equally as to voting rights, participation in a distribution of our assets on a liquidation, dissolution or winding-up of the Company and the entitlement to dividends. The holders of the Common Shares are entitled to receive notice of all meetings of shareholders and to attend and vote the shares at the meetings. Each Common Share carries with it the right to one vote.

In the event of the liquidation, dissolution or winding-up of the Company or other distribution of its assets, the holders of the Common Shares will be entitled to receive, on a pro rata basis, all of the assets remaining after we have paid out our liabilities. There are no pre-emptive rights or conversion rights and no provisions for redemption or purchase for cancellation, surrender or sinking or purchase fund. Distributions in the form of dividends, if any, will be set by the Board. See "*Dividend Policy*".

Provisions as to the modification, amendment or variation of the rights attached to the Common Shares are contained in our articles and the BCBCA. Generally speaking, substantive changes to the share capital require the approval of the shareholders by special resolution (at least two-thirds of the votes cast).

**DESCRIPTION OF WARRANTS**

This section describes the general terms that will apply to any Warrants.

Warrants may be offered separately or together with other Securities, as the case may be. Each series of Warrants will be issued under a separate Warrant indenture to be entered into between us and one or more banks or trust companies acting as Warrant agent. The applicable Prospectus Supplement will include details of the Warrant agreements covering the Warrants being offered. The Warrant agent will act solely as the agent of the Company and will not assume a relationship of agency with any holders of Warrant certificates or beneficial owners of Warrants. The following sets forth certain general terms and provisions of the Warrants offered under this Prospectus.

**Warrants**

The particular terms of each issue of Warrants will be described in the related Prospectus Supplement. This description will include, where applicable:

&nbsp;&nbsp;&nbsp;&nbsp;· the designation and aggregate number of Warrants;

&nbsp;&nbsp;&nbsp;&nbsp;· the price at which the Warrants will be offered;

&nbsp;&nbsp;&nbsp;&nbsp;· the currency or currencies in which the Warrants
will be offered;

&nbsp;&nbsp;&nbsp;&nbsp;· the designation and terms of the Common Shares
purchasable upon exercise of the Warrants;

&nbsp;&nbsp;&nbsp;&nbsp;· the date on which the right to exercise the Warrants
will commence and the date on which the right will expire;

&nbsp;&nbsp;&nbsp;&nbsp;· the number of Common Shares that may be purchased
upon exercise of each Warrant and the price at which and the currency or currencies in which the Common Shares may be purchased upon exercise
of each Warrant;

&nbsp;&nbsp;&nbsp;&nbsp;· the designation and terms of any securities with
which the Warrants will be offered, if any, and the number of the Warrants that will be offered with each Security;

&nbsp;&nbsp;&nbsp;&nbsp;· the date or dates, if any, on or after which
the Warrants and the related securities will be transferable separately;

&nbsp;&nbsp;&nbsp;&nbsp;· whether the Warrants will be subject to redemption
or call and, if so, the terms of such redemption or call provisions;

&nbsp;&nbsp;&nbsp;&nbsp;· material United States and Canadian tax consequences
of owning the Warrants; and

&nbsp;&nbsp;&nbsp;&nbsp;· any other material terms or conditions of the
Warrants.

Prior to the exercise of their Warrants, holders of Warrants will not have any of the rights of holders of the securities subject to the Warrants.

**DESCRIPTION OF SHARE PURCHASE CONTRACTS**

We may issue Share Purchase Contracts, including contracts obligating holders to purchase from us, and for us to sell to the holders, a specified number of Common Shares, at a future date or dates, or similar contracts issued on a "prepaid" basis (in each case, "**Share Purchase Contracts**"). The price per Common Share and the number of Common Shares may be fixed at the time the Share Purchase Contracts are issued or may be determined by reference to a specific formula set forth in the Share Purchase Contracts. The Share Purchase Contracts will require either the share purchase price be paid at the time the Share Purchase Contracts are issued or that payment be made at a specified future date. The Share Purchase Contracts may require holders to secure their obligations thereunder in a specified manner. Any Share Purchase Contracts we issue will be physically settled by delivery of our Common Shares.

The applicable Prospectus Supplement will describe the terms of the Share Purchase Contracts. The description in the Prospectus Supplement will not necessarily be complete, and reference will be made to the Share Purchase Contracts, and, if applicable, collateral, depositary or custodial arrangements, relating to the Share Purchase Contracts. Material United States and Canadian federal income tax considerations applicable to the holders of the Share Purchase Contracts will also be discussed in the applicable Prospectus Supplement.

**DESCRIPTION OF SUBSCRIPTION RECEIPTS**

We may issue Subscription Receipts, which will entitle holders thereof to receive, upon satisfaction of Release Conditions (as defined herein) and for no additional consideration, Common Shares, Warrants or any combination of Securities as is specified in the applicable Prospectus Supplement. Subscription Receipts will be issued pursuant to one or more Subscription Receipt agreements (each, a "**Subscription Receipt Agreement**"), each to be entered into between the Company and an escrow agent (the "**Escrow Agent**") that will be named in the applicable Prospectus Supplement. Each Escrow Agent will be a financial institution authorized to carry on business as a trustee. If underwriters or agents are used in the sale of any Subscription Receipts, one or more of such underwriters or agents may also be a party to the subscription agreement governing the Subscription Receipts sold to or through such underwriter or agent.

The following description sets forth certain general terms and provisions of Subscription Receipts that may be issued hereunder and is not intended to be complete. The statements made in this Prospectus relating to any Subscription Receipt Agreement and Subscription Receipts to be issued thereunder are summaries of certain anticipated provisions thereof and are subject to, and are qualified in their entirety by reference to, all provisions of the applicable Subscription Receipt Agreement. Prospective investors should refer to the Subscription Receipt Agreement relating to the specific Subscription Receipts being offered for the complete terms of the Subscription Receipts. We will file a copy of any Subscription Receipt Agreement relating to an offering of Subscription Receipts with applicable securities regulatory authorities after we have entered into it.

The applicable Prospectus Supplement and the Subscription Receipt Agreement for any Subscription Receipts that we may offer will describe the specific terms of the Subscription Receipts offered. This description may include, but may not be limited to, any of the following, if applicable:

&nbsp;&nbsp;&nbsp;&nbsp;· the designation and aggregate number of Subscription
Receipts being offered;

&nbsp;&nbsp;&nbsp;&nbsp;· the price at which the Subscription Receipts
will be offered;

&nbsp;&nbsp;&nbsp;&nbsp;· the designation, number and terms of the Common
Shares, Warrants or a combination of Securities to be received by the holders of Subscription Receipts upon satisfaction of the Release
Conditions, and any procedures that will result in the adjustment of those numbers;

&nbsp;&nbsp;&nbsp;&nbsp;· the conditions (the "**Release Conditions** ")
that must be met in order for holders of Subscription Receipts to receive, for no additional consideration, the Common Shares, Warrants
or a combination of Securities;

&nbsp;&nbsp;&nbsp;&nbsp;· the procedures for the issuance and delivery
of the Common Shares, Warrants or a combination of Securities to holders of Subscription Receipts upon satisfaction of the Release Conditions;

&nbsp;&nbsp;&nbsp;&nbsp;· whether any payments will be made to holders
of Subscription Receipts upon delivery of the Common Shares, Warrants or a combination of Securities upon satisfaction of the Release
Conditions;

&nbsp;&nbsp;&nbsp;&nbsp;· the identity of the Escrow Agent;

&nbsp;&nbsp;&nbsp;&nbsp;· the terms and conditions under which the Escrow
Agent will hold all or a portion of the gross proceeds from the sale of Subscription Receipts, together with interest and income earned
thereon (collectively, the "**Escrowed Funds** "), pending satisfaction of the Release Conditions;

&nbsp;&nbsp;&nbsp;&nbsp;· the terms and conditions pursuant to which the
Escrow Agent will hold Common Shares, Warrants or a combination of Securities pending satisfaction of the Release Conditions;

&nbsp;&nbsp;&nbsp;&nbsp;· the terms and conditions under which the Escrow
Agent will release all or a portion of the Escrowed Funds to the Company upon satisfaction of the Release Conditions;

&nbsp;&nbsp;&nbsp;&nbsp;· if the Subscription Receipts are sold to or through
underwriters or agents, the terms and conditions under which the Escrow Agent will release a portion of the Escrowed Funds to such underwriters
or agents in payment of all or a portion of their fees or commissions in connection with the sale of the Subscription Receipts;

&nbsp;&nbsp;&nbsp;&nbsp;· procedures for the refund by the Escrow Agent
to holders of Subscription Receipts of all or a portion of the subscription price of their Subscription Receipts, plus any pro rata entitlement
to interest earned or income generated on such amount, if the Release Conditions are not satisfied;

&nbsp;&nbsp;&nbsp;&nbsp;· any contractual right of rescission to be granted
to initial purchasers of Subscription Receipts in the event that this Prospectus, the Prospectus Supplement under which Subscription Receipts
are issued or any amendment hereto or thereto contains a misrepresentation;

&nbsp;&nbsp;&nbsp;&nbsp;· any entitlement of the Company to purchase the
Subscription Receipts in the open market by private agreement or otherwise;

&nbsp;&nbsp;&nbsp;&nbsp;· whether the Company will issue the Subscription
Receipts as one or more global securities ()"**Global Securities**") and, if so, the identity of the depository for the
Global Securities;

&nbsp;&nbsp;&nbsp;&nbsp;· whether the Company will issue the Subscription
Receipts as bearer securities, as registered securities or both;

&nbsp;&nbsp;&nbsp;&nbsp;· provisions as to modification, amendment or variation
of the Subscription Receipt Agreement or any rights or terms of the Subscription Receipts, including upon any subdivision, consolidation,
reclassification or other material change of the Common Shares, Warrants or other Securities, any other reorganization, amalgamation,
merger or sale of all or substantially all of the Company's assets or any distribution of property or rights to all or substantially
all of the holders of Common Shares;

&nbsp;&nbsp;&nbsp;&nbsp;· whether the Company will apply to list the Subscription
Receipts on any exchange;

&nbsp;&nbsp;&nbsp;&nbsp;· material U.S. and Canadian federal income tax
consequences of owning the Subscription Receipts; and

&nbsp;&nbsp;&nbsp;&nbsp;· any other material terms or conditions of the
Subscription Receipts.

**DESCRIPTION OF UNITS**

We may issue Units, which may consist of one or more Common Shares, Warrants or any combination of Securities as is specified in the applicable Prospectus Supplement. In addition, the applicable Prospectus Supplement relating to an offering of Units will describe all material terms of any Units offered, including, as applicable:

&nbsp;&nbsp;&nbsp;&nbsp;· the designation and aggregate number of Units
being offered;

&nbsp;&nbsp;&nbsp;&nbsp;· the price at which the Units will be offered;

&nbsp;&nbsp;&nbsp;&nbsp;· the designation, number and terms of the Securities
comprising the Units and any agreement governing the Units;

&nbsp;&nbsp;&nbsp;&nbsp;· the date or dates, if any, on or after which
the Securities comprising the Units will be transferable separately;

&nbsp;&nbsp;&nbsp;&nbsp;· whether the Company will apply to list the Units
on a securities exchange or automated interdealer quotation system;

&nbsp;&nbsp;&nbsp;&nbsp;· material U.S. and Canadian federal income tax
consequences of owning the Units, including how the purchase price paid for the Units will be allocated among the securities comprising
the Units; and

&nbsp;&nbsp;&nbsp;&nbsp;· any other material terms or conditions of the
Units.

**PLAN OF DISTRIBUTION**

We may sell the securities offered by this prospectus from time to time in one or more transactions, including, without limitation:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· directly to purchasers;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· through agents;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· to or through underwriters or dealers; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· through a combination of these methods.

A distribution of the securities offered by this prospectus may also be effected through the issuance of derivative securities, including, without limitation, warrants, convertible securities, forward delivery contracts and the writing of options.

In addition, the manner in which we may sell some or all of the securities covered by this prospectus includes, without limitation, through:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· a block trade in which a broker-dealer will attempt to sell as agent, but
may position or resell a portion of the block, as principal, in order to facilitate the transaction;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· purchases by a broker-dealer, as principal, and resale by the broker-dealer
for its account;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· ordinary brokerage transactions and transactions in which a broker solicits
purchasers; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· privately negotiated transactions.

We may also enter into hedging transactions. For example, we may:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· enter into transactions with a broker-dealer or affiliate thereof in connection
with which such broker-dealer or affiliate will engage in short sales of securities pursuant to this prospectus, in which case such broker-dealer
or affiliate may use Common Shares received from us to close out its short positions;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· sell securities short and redeliver such securities to close out our short
positions; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· enter into option or other types of transactions that require us to deliver
Common Shares to a broker-dealer or an affiliate thereof, who will then resell or transfer the Common Shares under this prospectus.

In addition, we may enter into derivative or hedging transactions with third parties, or sell securities not covered by this prospectus to third parties in privately negotiated transactions. In connection with such a transaction, the third parties may sell securities covered by and pursuant to this prospectus and an applicable prospectus supplement or pricing supplement, as the case may be. If so, the third party may use securities borrowed from us or others to settle such sales and may use securities received from us to close out any related short positions.

A prospectus supplement with respect to each series of securities will state the terms of the offering of the securities, including:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· the name or names of any underwriters or agents and the amounts of securities
underwritten or purchased by each of them, if any;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· the public offering price or purchase price of the securities and the proceeds
to be received by us from the sale;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· any delayed delivery arrangements;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· any underwriting discounts or agency fees and other items constituting underwriters'
or agents' compensation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· any discounts or concessions allowed or reallowed or paid to dealers; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· any securities exchange on which the securities may be listed.

The offer and sale of the securities described in this prospectus by us, the underwriters or the third parties described above may be effected from time to time in one or more transactions, including privately negotiated transactions, either:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· at a fixed price or prices, which may be changed;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· at market prices prevailing at the time of sale;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· at prices related to the prevailing market prices; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· at negotiated prices.

**General**

Any public offering price and any discounts, commissions, concessions or other items constituting compensation allowed or reallowed or paid to underwriters, dealers, agents or remarketing firms may be changed from time to time. Underwriters, dealers, agents and remarketing firms that participate in the distribution of the offered securities may be "underwriters" as defined in the Securities Act. Any discounts or commissions they receive from us and any profits they receive on the resale of the offered securities may be treated as underwriting discounts and commissions under the Securities Act. We will identify any underwriters, agents or dealers and describe their commissions, fees or discounts in the applicable prospectus supplement.

**At-the-Market Offerings**

If we reach an agreement with an underwriter on a placement, including the number of Common Shares to be offered in the placement and any minimum price below which sales may not be made, such underwriter would agree to use its commercially reasonable efforts, consistent with its normal trading and sales practices, to try to sell such shares on such terms. Underwriters could make sales in privately negotiated transactions and/or any other method permitted by law, including sales deemed to be an "at-the-market" offering as defined in Rule 415 promulgated under the Securities Act, sales made directly on the NYSE American, the existing trading market for our common shares, or sales made to or through a market maker other than on an exchange. The name of any such underwriter or agent involved in the offer and sale of our common shares the amounts underwritten, and the nature of its obligations to take our Common Shares will be described in the applicable prospectus supplement.

**Underwriters and Agents**

If underwriters are used in a sale, they will acquire the offered securities for their own account. The underwriters may resell the offered securities in one or more transactions, including negotiated transactions.

These sales may be made at a fixed public offering price or prices, which may be changed, at market prices prevailing at the time of the sale, at prices related to such prevailing market price or at negotiated prices. We may offer the securities to the public through an underwriting syndicate or through a single underwriter. The underwriters in any particular offering will be identified in the applicable prospectus supplement or pricing supplement, as the case may be.

Unless otherwise specified in connection with any particular offering of securities, the obligations of the underwriters to purchase the offered securities will be subject to certain conditions contained in an underwriting agreement that we will enter into with the underwriters at the time of the sale to them. The underwriters will be obligated to purchase all of the securities of the series offered if any of the securities are purchased, unless otherwise specified in connection with any particular offering of securities. Any initial offering price and any discounts or concessions allowed, reallowed or paid to dealers may be changed from time to time.

We may designate agents to sell the offered securities. Unless otherwise specified in connection with any particular offering of securities, the agents will agree to use their best efforts to solicit purchases for the period of their appointment. We may also sell the offered securities to one or more remarketing firms, acting as principals for their own accounts or as agents for us. These firms will remarket the offered securities upon purchasing them in accordance with a redemption or repayment pursuant to the terms of the offered securities. A prospectus supplement or pricing supplement, as the case may be, will identify any remarketing firm and will describe the terms of its agreement, if any, with us and its compensation.

In connection with offerings made through underwriters or agents, we may enter into agreements with such underwriters or agents pursuant to which we receive our outstanding securities in consideration for the securities being offered to the public for cash. In connection with these arrangements, the underwriters or agents may also sell securities covered by this prospectus to hedge their positions in these outstanding securities, including in short sale transactions. If so, the underwriters or agents may use the securities received from us under these arrangements to close out any related open borrowings of securities.

**Dealers**

We may sell the offered securities to dealers as principals. We may negotiate and pay dealers' commissions, discounts or concessions for their services. The dealer may then resell such securities to the public either at varying prices to be determined by the dealer or at a fixed offering price agreed to with us at the time of resale. Dealers engaged by us may allow other dealers to participate in resales.

**Direct Sales**

We may choose to sell the offered securities directly. In this case, no underwriters or agents would be involved.

**Institutional Purchasers**

We may authorize agents, dealers or underwriters to solicit certain institutional investors to purchase offered securities on a delayed delivery basis pursuant to delayed delivery contracts providing for payment and delivery on a specified future date. The applicable prospectus supplement will provide the details of any such arrangement, including the offering price and commissions payable on the solicitations.

We will enter into such delayed contracts only with institutional purchasers that we approve. These institutions may include commercial and savings banks, insurance companies, pension funds, investment companies and educational and charitable institutions.

**Indemnification; Other Relationships**

We may have agreements with agents, underwriters, dealers and remarketing firms to indemnify them against certain civil liabilities, including liabilities under the Securities Act. Agents, underwriters, dealers and remarketing firms, and their affiliates, may engage in transactions with, or perform services for, us in the ordinary course of business. This includes commercial banking and investment banking transactions.

**CERTAIN CANADIAN and U.S. Federal Income Tax Considerations**

Information regarding material Canadian and U.S. federal income tax consequences to persons investing in the Securities offered by this Prospectus will be set forth in an applicable Prospectus Supplement. You are urged to consult your own tax advisors prior to any acquisition of our Securities.

**Legal Matters**

Certain legal matters in connection with the Securities offered hereby will be passed upon on behalf of the Company by Blake, Cassels & Graydon LLP with respect to Canadian legal matters, and by Dorsey & Whitney LLP with respect to U.S. legal matters.

**AUDITORS, Transfer Agent and Registrar**

PricewaterhouseCoopers LLP ("**PWC**"), Chartered Professional Accountants, located at Suite 1400, 250 Howe Street, Vancouver, British Columbia, Canada V6C 3S7, are the independent registered public accounting firm of the Company. PwC have confirmed that they are independent with respect to the Company within the meaning of the relevant rules and related interpretations prescribed by the relevant professional bodies in Canada, including the Chartered Professional Accountants of British Columbia Code of Professional Conduct, and any applicable legislation or regulations. PwC has also confirmed they are independent within the rules of the Public Company Accounting Oversight Board. The consolidated financial statements of Trilogy for the year ended November 30, 2024 have been audited by PricewaterhouseCoopers LLP, independent registered public accounting firm, as set forth in their report thereon, included therein, and incorporated herein by reference. Such consolidated financial statements are incorporated herein by reference in reliance upon such report given on the authority of such firm as experts in accounting and auditing.

PwC, Chartered Professional Accountants, located at Suite 1400, 250 Howe Street, Vancouver, British Columbia, Canada V6C 3S7, are the independent registered public accounting firm of Ambler Metals. PwC have confirmed that they are independent with respect to Ambler Metals within the meaning of the relevant rules and related interpretations prescribed by the relevant professional bodies in Canada, including the Chartered Professional Accountants of British Columbia Code of Professional Conduct, and any applicable legislation or regulations. PwC has also confirmed they are independent within the rules of the Public Company Accounting Oversight Board. The consolidated financial statements of Ambler Metals for the year ended November 30, 2024 have been audited by PwC, independent registered public accounting firm, as set forth in their report thereon, included therein, and incorporated herein by reference. Such consolidated financial statements are incorporated herein by reference in reliance upon such report given on the authority of such firm as experts in accounting and auditing.

Our registrar and transfer agent for our Common Shares is Computershare Investor Services Inc., located at 510 Burrard Street, Vancouver, British Columbia Canada V6C 3B9. The co-transfer agent and registrar for the Common Shares in the United States is Computershare Trust Company, N.A., at its office at 150 Royall St., Canton, MA 02021.

**Interest of Experts**

Certain of the scientific and technical information relating to our mineral projects in this Prospectus and the documents incorporated by reference herein has been derived from technical reports prepared by the experts listed below and has been included in reliance on such person's expertise. Copies of the technical reports can be accessed under the Company's profile on SEC's Electronic Data Gathering and Retrieval system ("**EDGAR**") at <u>www.sec.gov/edgar</u> with respect to the S-K 1300 technical report summaries.

The following are the names of persons or companies (a) that are named as having prepared or certified a report, valuation, statement or opinion included in or included by reference in this Prospectus; and (b) whose profession or business gives authority to the statement, report or valuation made by the person or Trilogy:

&nbsp;&nbsp;&nbsp;&nbsp;· Ausenco Engineering Canada ULC (as corporate successor to Ausenco Engineering Canada Inc.), Wood
 Canada Limited, SRK Consulting (Canada) Inc. and Brown and Caldwell, each of which prepared or certified certain portions of the
 technical report summary titled "*Arctic Project S-K 1300 Technical Report Summary, Ambler Mining District, Alaska*" dated November 30, 2022

&nbsp;&nbsp;&nbsp;&nbsp;· Wood Canada Limited, SRK Consulting
 (Canada) Inc., Ausenco Engineering Canada ULC (as corporate successor to Ausenco Enineering Canada Inc.) and International
 Metallurgical & Environmental and Core Geoscience LLC, each of which prepared or certified certain portions of the
 technical report summary titled "*S-K 1300 Technical Report Summary on the Initial Assessment of the Bornite Project, Northwest Alaska, USA*" dated November 30, 2024; and

&nbsp;&nbsp;&nbsp;&nbsp;· Richard Gosse, P.Geo., VP Exploration of the
Company, a "Qualified Person" under S-K 1300 has reviewed and approved the scientific and technical disclosure contained in
the annual report on Form 10-K.

The aforementioned companies, and their directors, officers, employees and partners, as applicable, as a group, beneficially own, directly or indirectly, less than one percent of our outstanding securities.

As at the date of this Prospectus, other than Richard Gosse, none of the aforementioned persons were employed on a contingency basis, or had, or are to receive, in connection with any offering under this Prospectus, a substantial interest, direct or indirect, in the Company, nor are any such persons connected with the Company as promoters, managing or principal underwriters, voting trustees, directors, officers, or, except as disclosed herein, employees.

**Documents Incorporated by Reference**

**Information has been incorporated by reference in this Prospectus from documents filed with the SEC or similar authorities**. Copies of the documents incorporated herein by reference may be obtained on request without charge from the Corporate Secretary of the Company at Suite 901, 510 Burrard Street, Vancouver, British Columbia, Canada, V6C 3A8, telephone: 604-638-8088. These documents are also available electronically under the Company's profile on SEDAR+ at <u>www.sedarplus.ca</u> and on EDGAR at <u>www.sec.gov/edgar</u>.

We incorporate by reference the documents listed below and future filings we make with the SEC pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the "**Exchange Act**") (excluding, unless otherwise provided therein or herein, (i) information furnished pursuant to Item 2.02, Item 7.01 and certain exhibits furnished pursuant to Item 9.01 of our Current Reports on Form 8-K, which are deemed to be furnished and not filed and therefore not incorporated by reference herein, unless specifically stated otherwise in such filings, after the date of filing of this registration statement on Form S-3 to which this Prospectus relates and prior to the termination of the offering under this Prospectus and any prospectus supplement). Any statement contained in a document incorporated by reference in this Prospectus shall be modified or superseded for purposes of this Prospectus to the extent that a statement contained in this Prospectus, any related free writing prospectus or in any other subsequently filed document which is incorporated by reference modifies or supersedes such statement.

[(a)](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025000964/tmq-20241130x10k.htm) [our Annual Report on Form 10-K for the fiscal year ended November 30, 2024, filed with the SEC on February 14, 2025;](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025000964/tmq-20241130x10k.htm)

(b) our [Definitive Proxy Statement on Schedule 14A filed on March 28, 2025](https://www.sec.gov/Archives/edgar/data/1543418/000110465925029427/tm252450d2_def14a.htm), in respect of the annual general meeting of shareholders of the Company held on May 13, 2025;

[(c)](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000110465925095176/tmq-20250831x10q.htm) [our Quarterly Report on Form 10-Q for the quarter ended August 31, 2025, filed with the SEC on October 1, 2025;](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000110465925095176/tmq-20250831x10q.htm)

[(d)](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025009156/tmq-20250531x10q.htm) [our Quarterly Report on Form 10-Q for the quarter ended May 31, 2025, filed with the SEC on July 10, 2025;](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025009156/tmq-20250531x10q.htm)

[(e)](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025004293/tmq-20250228x10q.htm) [our Quarterly Report on Form 10-Q for the quarter ended February 28, 2025, filed with the SEC on April 2, 2025;](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000155837025004293/tmq-20250228x10q.htm)

(f) our Current Reports on Form 8-K filed on [May 14, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000127956925000508/form8k.htm), [May 27, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000110465925052612/tm2515919d1_8k.htm), and [October 7, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000127956925001094/form8k.htm) (both of the [Current Reports on Form 8-K](https://www.sec.gov/ix?doc=/Archives/edgar/data/1543418/000127956925001096/form8k.htm) filed that day), to the extent filed pursuant to Section 13(a) or 15(d) of the Exchange Act;

&nbsp;&nbsp;&nbsp;&nbsp;(g) the description of Common Shares contained in our registration statement on [Form 40-F filed on March 1, 2012](https://www.sec.gov/Archives/edgar/data/1543418/000106299312000734/form40fr12b.htm) , including any amendment or report filed for purposes of updating such description; and

&nbsp;&nbsp;&nbsp;&nbsp;(h) all other documents filed by us with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Exchange
Act, after November 30, 2024 but before the end of the offering of the Securities made by this Prospectus.

Any statement contained in a document incorporated by reference in this Prospectus shall be deemed to be modified or superseded for purposes of this Prospectus to the extent that a statement contained in this Prospectus or in any other subsequently filed document that also is or is deemed to be incorporated by reference in this Prospectus modifies or supersedes such statement. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Prospectus. We will provide to each person, including any beneficial owner, to whom a Prospectus is delivered, a copy of any or all of the information that has been incorporated by reference in the Prospectus but not delivered with the Prospectus. Copies of the documents incorporated by reference in this Prospectus may be obtained on written or oral request without charge from the Secretary of the Company at Suite 901, 510 Burrard Street, Vancouver, British Columbia, Canada, V6C 3A8, telephone: (604) 638-8088. Our website is www.trilogymetals.com. Information contained in or accessible through our website does not constitute a part of this Prospectus.

A Prospectus Supplement containing the specific terms of an offering of Securities, and other information relating to the Securities, will be delivered to prospective purchasers of such Securities together with this Prospectus and the applicable Prospectus Supplement and will be deemed to be incorporated into this Prospectus as of the date of such Prospectus Supplement only for the purpose of the offering of the Securities covered by that Prospectus Supplement.

Upon a new annual information form, the related annual financial statements and management's discussion and analysis being filed by the Company with, and, where required, accepted by, the applicable securities commissions or similar regulatory authorities during the currency of this Prospectus, the previous annual information form, the previous annual financial statements, the previous management's discussion and analysis and all interim financial statements, supplemental information, material change reports and information circulars filed prior to the commencement of the Company's financial year in which the new annual information form is filed will be deemed no longer to be incorporated by reference into this Prospectus for purposes of future offers and sales of our Securities under this Prospectus. Upon interim consolidated financial statements and the accompanying management's discussion and analysis and material change report being filed by us with the applicable securities regulatory authorities during the duration of this Prospectus, all interim consolidated financial statements and the accompanying management's discussion and analysis filed prior to the new interim consolidated financial statements shall be deemed no longer to be incorporated into this Prospectus for purposes of further offers and sales of Securities hereunder.

References to our website in any documents that are incorporated by reference into this Prospectus do not incorporate by reference the information on such website into this Prospectus, and we disclaim any such incorporation by reference.

**WHERE YOU CAN FIND additional information**

We are subject to the information requirements of the Securities Exchange Act of 1934 and, accordingly, we file reports with and furnish other information to the SEC. We have filed with the SEC a registration statement on Form S-3 under the Securities Act of 1933 with respect to the securities offered by this prospectus. This prospectus does not contain all of the information contained in the registration statement that we filed. For further information regarding us and the securities covered by this prospectus, you may desire to review the full registration statement, including its exhibits. The registration statement, including its exhibits, as well as the documents that we file with the SEC, may be inspected and copied at the public reference facilities maintained by the SEC at 100 F Street, N.E., Room 1580, Washington, D.C. 20549. You may obtain information on the operation of the public reference room by calling 1-800-SEC-0330. Copies of such materials are also available by mail from the Public Reference Branch of the SEC at 100 F Street, N.E., Washington, D.C. 20549 at prescribed rates. In addition, the SEC maintains a website (http://www.sec.gov) from which interested persons can electronically access the registration statement, including the exhibits to the registration statement.

You may also read and download any public document we file with or furnish to the securities commissions and regulatory authorities in the provinces and territories of Canada, on our SEDAR+ profile at <u>www.sedarplus.ca</u>.

**Enforceability of Civil Liabilities**

We are a corporation existing under the BCBCA. Many of our directors and officers, and some of the experts named in this Prospectus, are residents of Canada or otherwise reside outside the United States, and all or a substantial portion of their assets may be, and a substantial portion our assets, are located outside the United States. We have appointed an agent for service of process in the United States, but it may be difficult for holders of Common Shares who reside in the United States to effect service within the United States upon those directors, officers and experts who are not residents of the United States. It may also be difficult for holders of Common Shares who reside in the United States to realize in the United States upon judgments of courts of the United States predicated upon our civil liability and the civil liability of our directors, officers and experts under the U.S. federal securities laws. It is unlikely to be a defence in a Canadian court to the enforcement of a judgment of a U.S. court that the judgment is predicated solely upon civil liability under U.S. federal securities laws or the securities or "blue sky" laws of any state within the United States. There is substantial doubt whether an action could be brought in Canada in the first instance on the basis of the liability predicated solely upon U.S. federal securities laws.

**COMMON SHARES**

**WARRANTS**

**SHARE PURCHASE CONTRACTS**

**SUBSCRIPTION RECEIPTS**

**UNITS**

**PROSPECTUS**

**October 31, 2025**

**PART II<br> INFORMATION NOT REQUIRED IN THE PROSPECTUS**

**Item 14. Other Expenses of Issuance and Distribution**

The following table sets forth the estimated costs and expenses, other than underwriting discounts and commissions, payable by the registrant in connection with the offering of the securities being registered.

---

| | |
|:---|:---|
|  | **Amount to Be Paid** |
| Registration fee | $(1) |
| FINRA filing fee | (2) |
| Printing expenses | (2) |
| Legal fees and expenses (including Blue Sky fees) | (2) |
| Accounting fees and expenses | (2) |
| Miscellaneous | (2) |
| &nbsp;&nbsp;&nbsp;&nbsp;**TOTAL** | $(2) |

---

(1) Deferred
in reliance upon Rule 456(b) and 457(r) under the Securities Act.

(2) These
fees and expenses depend on the securities offered and the timing and number of issuances, and accordingly cannot be estimated at this
time and will be reflected in the applicable prospectus.

**Item 15. Indemnification of Officers and Directors**

The BCBCA provides that a company may:

&nbsp;&nbsp;&nbsp;&nbsp;· indemnify an eligible party against all judgments,
penalties or fines awarded or imposed in, or amounts paid in settlement of, an eligible proceeding, to which the eligible party is or
may be liable; and

&nbsp;&nbsp;&nbsp;&nbsp;· after the final disposition of an eligible proceeding,
pay the "expenses" (which includes costs, charges and expenses (including legal fees) but excludes judgments, penalties, fines
or amounts paid in settlement of a proceeding) actually and reasonably incurred by an eligible party in respect of that proceeding.

However, after the final disposition of an eligible proceeding, a company must pay expenses actually and reasonably incurred by an eligible party in respect of that proceeding if the eligible party (i) has not been reimbursed for those expenses, and (ii) is wholly successful, on the merits or otherwise, or is substantially successful on the merits, in the outcome of the proceeding. The BCBCA also provides that a company may pay the expenses as they are incurred in advance of the final disposition of an eligible proceeding if the company first receives from the eligible party a written undertaking that, if it is ultimately determined that the payment of expenses is prohibited under the BCBCA, the eligible party will repay the amounts advanced.

For the purpose of the BCBCA, an "eligible party", in relation to a company, means an individual who:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· is or was a director or officer of the company;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· is or was a director or officer of another corporation

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;o at a time when the corporation is or was an affiliate of the company, or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;o at the request of the company; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;o at the request of the company, is or was, or holds or held a position equivalent to that of, a director or officer of a partnership,
trust, joint venture or other unincorporated entity,

and includes, with some exceptions, the heirs and personal or other legal representatives of that individual.

An "eligible proceeding" under the BCBCA is a proceeding in which an eligible party or any of the heirs and personal or other legal representatives of the eligible party, by reason of the eligible party being or having been a director or officer of, or holding or having held a position equivalent to that of a director or officer of, the company or an associated corporation (i) is or may be joined as a party, or (ii) is or may be liable for or in respect of a judgment, penalty or fine in, or expenses related to, the proceeding. A "proceeding" includes any legal proceeding or investigative action, whether current, threatened, pending or completed.

Notwithstanding the foregoing, the BCBCA prohibits indemnifying an eligible party or paying the expenses of an eligible party if any of the following conditions apply:

&nbsp;&nbsp;&nbsp;&nbsp;· if the indemnity or payment is made under an
earlier agreement to indemnify or pay expenses and, at the time that such agreement was made, the company was prohibited from giving the
indemnity or paying the expenses by its memorandum or articles;

&nbsp;&nbsp;&nbsp;&nbsp;· if the indemnity or payment is made otherwise
than under an earlier agreement to indemnify or pay expenses and, at the time that the indemnity or payment is made, the company is prohibited
from giving the indemnity or paying the expenses by its memorandum or articles;

&nbsp;&nbsp;&nbsp;&nbsp;· if, in relation to the subject matter of the
eligible proceeding, the eligible party did not act honestly and in good faith with a view to the best interests of the company or the
associated corporation, or as the case may be; or

&nbsp;&nbsp;&nbsp;&nbsp;· in the case of an eligible proceeding other than
a civil proceeding, if the eligible party did not have reasonable grounds for believing that the eligible party's conduct in respect
of which the proceeding was brought was lawful.

Additionally, if an eligible proceeding is brought against an eligible party by or on behalf of the company or by or on behalf of an associated corporation, the company must not (i) indemnify the eligible party in respect of the proceeding; or (ii) pay the expenses of the eligible party in respect of the proceeding.

Whether or not payment of expenses or indemnification has been sought, authorized or declined under the BCBCA, on the application of a company or an eligible party, the Supreme Court of British Columbia may do one or more of the following:

&nbsp;&nbsp;&nbsp;&nbsp;· order a company to indemnify an eligible party
against any liability incurred by the eligible party in respect of an eligible proceeding;

&nbsp;&nbsp;&nbsp;&nbsp;· order a company to pay some or all of the expenses
incurred by an eligible party in respect of an eligible proceeding;

&nbsp;&nbsp;&nbsp;&nbsp;· order the enforcement of, or any payment under,
an agreement of indemnification entered into by a company;

&nbsp;&nbsp;&nbsp;&nbsp;· order a company to pay some or all of the expenses
actually and reasonably incurred by any person in obtaining an order under this section; or

&nbsp;&nbsp;&nbsp;&nbsp;· make any other order the court considers appropriate.

The BCBCA provides that a company may purchase and maintain insurance for the benefit of an eligible party or the heirs and personal or other legal representatives of the eligible party against any liability that may be incurred by reason of the eligible party being or having been a director or officer of, or holding or having held a position equivalent to that of a director or officer of, the company or an associated corporation.

**Articles of the Registrant**

The Registrant's articles provide that, subject to the BCBCA, the Registrant must indemnify a director or former director and his or her heirs and legal personal representatives against all eligible penalties to which such person is or may be liable. Pursuant to the Registrant's articles, each director is deemed to have contracted with the Registrant on the aforementioned terms.

The Registrant's articles further provide that the Registrant may indemnify any person, subject to any restrictions in the BCBCA, and that the failure of a director or officer of the Registrant to comply with the BCBCA or the Registrant's articles does not invalidate any indemnity to which he or she is entitled under the Registrant's articles.

The Registrant is authorized by its articles to purchase and maintain insurance for the benefit of any eligible person.

Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers or persons controlling the Registrant pursuant to the foregoing provisions, the Registrant has been informed that in the opinion of the SEC such indemnification is against public policy as expressed in the Securities Act, and is therefore unenforceable.

The Registrant maintains directors' and officers' liability insurance for its directors. This insurance provides coverage for indemnity payments made by the Registrant to its directors and officers as required or permitted by law for losses, including legal costs, incurred by officers and directors in their capacity as such. This policy also provides coverage directly to individual directors and officers if they are not indemnified by the Registrant. The insurance coverage for directors and officers has customary exclusions, including libel and slander, and those acts determined to be uninsurable under law, or deliberately fraudulent or dishonest or to have resulted in personal profit or advantage.

**Item 16. Exhibits and Financial Statement Schedules**

---

| | |
|:---|:---|
| **Exhibit<br> Number** | **Description of Document** |
| 1.1 | Form of Underwriting Agreement\* |
| [3.1](https://www.sec.gov/Archives/edgar/data/1543418/000106299312000734/exhibit99-2.htm) | [Certificate of Incorporation (incorporated by reference to Exhibit 99.2 to the Registration Statement on Form 40-F as filed on March 1, 2012, file no. 001-35447)](https://www.sec.gov/Archives/edgar/data/1543418/000106299312000734/exhibit99-2.htm) |
| [3.2](https://www.sec.gov/Archives/edgar/data/1543418/000106299312001346/exhibit99-3.htm) | [Articles of Trilogy Metals Inc., effective April 27, 2011, as altered March 20, 2011 (incorporated by reference to Exhibit 99.3 to Amendment No. 1 to the Registration Statement on Form 40-F as filed on April 19, 2012, file no. 001-35447)](https://www.sec.gov/Archives/edgar/data/1543418/000106299312001346/exhibit99-3.htm) |
| [3.3](https://www.sec.gov/Archives/edgar/data/1543418/000127956916004324/ex31.htm) | [Notice of Articles and Certificate of Name Change, dated September 1, 2016 (incorporated by reference to Exhibit 3.1 to the Current Report on Form 8-K dated September 8, 2016)](https://www.sec.gov/Archives/edgar/data/1543418/000127956916004324/ex31.htm) |
| 4.1 | Form of Warrant Certificate\* |
| 4.2 | Form of Share Purchase Contract\* |
| 4.3 | Form of Unit Agreement\* |
| 4.4 | Form of Subscription Receipt Agreement\* |
| [5.1](tm2529681d1_ex5-1.htm) | [Opinion of Blake, Cassels & Graydon LLP](tm2529681d1_ex5-1.htm) |
| [23.1](tm2529681d1_ex23-1.htm) | [Consents of PricewaterhouseCoopers LLP](tm2529681d1_ex23-1.htm) |
| [23.2](tm2529681d1_ex5-1.htm) | [Consent of Blake, Cassels & Graydon LLP (included in Exhibit 5.1)](tm2529681d1_ex5-1.htm) |
| [23.3](tm2529681d1_ex23-3.htm) | [Consent of Wood Canada Limited](tm2529681d1_ex23-3.htm) |
| [23.4](tm2529681d1_ex23-4.htm) | [Consent of Ausenco Engineering Canada ULC](tm2529681d1_ex23-4.htm) |
| [23.5](tm2529681d1_ex23-5.htm) | [Consent of SRK Consulting (Canada) Inc.](tm2529681d1_ex23-5.htm) |

---

---

| | |
|:---|:---|
| [23.6](tm2529681d1_ex23-6.htm) | [Consent of Brown and Caldwell](tm2529681d1_ex23-6.htm) |
| [23.7](tm2529681d1_ex23-7.htm) | [Consent of Core Geoscience LLC](tm2529681d1_ex23-7.htm) |
| [23.8](tm2529681d1_ex23-8.htm) | [Consent of International Metallurgical & Environmental Inc.](tm2529681d1_ex23-8.htm) |
| [23.9](tm2529681d1_ex23-9.htm) | [Consent of Richard Gosse](tm2529681d1_ex23-9.htm) |
| [24.1](#a_025) | [Power of Attorney (included on signature page)](#a_025) |
| [24.2](#a_026) | [Power of Attorney of Authorized US Representative (included on signature page)](#a_026) |
| [107](tm2529681d1_ex-filingfees.htm) | [Filing Fee Table](tm2529681d1_ex-filingfees.htm) |

---

**\*** To be filed, if necessary, by post-effective amendment to this registration statement or as an exhibit to a report pursuant to Section 13(a) or 15(d) of the Exchange Act and incorporated herein by reference.

**Item 17. Undertakings**

The undersigned Registrant hereby undertakes:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) To file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) To include any prospectus required by Section 10(a)(3) of the Securities Act;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the "Calculation of Registration Fee" table in the effective registration statement;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) To include any material information with respect to the plan of distribution not previously disclosed in the registration statement or any material change to such information in the registration statement;

*provided, however*, that the undertakings set forth in paragraphs (1)(i), (1)(ii) and (1)(iii) above do not apply if the registration statement is on Form S-1, Form S-3, Form SF-3 or Form F-3 and the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the Commission by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in the registration statement, or, as to a registration statement on Form S-3, Form SF-3 or Form F-3, is contained in a form of prospectus filed pursuant to Rule 424(b) that is part of the registration statement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4) That, for the purpose of determining liability under the Securities Act to any purchaser:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) If the Registrant is relying on Rule 430B:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(A) Each prospectus filed by the Registrant pursuant to Rule 424(b)(3) shall be deemed to be part of the registration statement as of the date the filed prospectus was deemed part of and included in the registration statement; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(B) Each prospectus required to be filed pursuant to Rule 424(b)(2), (b)(5), or (b)(7) as part of a registration statement in reliance on Rule 430B relating to an offering made pursuant to Rule 415(a)(1)(i), (vii), or (x) for the purpose of providing the information required by Section 10(a) of the Securities Act shall be deemed to be part of and included in the registration statement as of the earlier of the date such form of prospectus is first used after effectiveness or the date of the first contract of sale of securities in the offering described in the prospectus. As provided in Rule 430B, for liability purposes of the issuer and any person that is at that date an underwriter, such date shall be deemed to be a new effective date of the registration statement relating to the securities in the registration statement to which that prospectus relates, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof. *Provided, however*, that no statement made in a registration statement or prospectus that is part of the registration statement or made in a document incorporated or deemed incorporated by reference into the registration statement or prospectus that is part of the registration statement will, as to a purchaser with a time of contract of sale prior to such effective date, supersede or modify any statement that was made in the registration statement or prospectus that was part of the registration statement or made in any such document immediately prior to such effective date; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) If the Registrant is subject to Rule 430C, each prospectus filed pursuant to Rule 424(b) as part of a registration statement relating to an offering, other than registration statements relying on Rule 430B or other than prospectuses filed in reliance on Rule 430A, shall be deemed to be part of and included in the registration statement as of the date it is first used after effectiveness. *Provided, however*, that no statement made in a registration statement or prospectus that is part of the registration statement or made in a document incorporated or deemed incorporated by reference into the registration statement or prospectus that is part of the registration statement will, as to a purchaser with a time of contract of sale prior to such first use, supersede or modify any statement that was made in the registration statement or prospectus that was part of the registration statement or made in any such document immediately prior to such date of first use.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5) That, for the purpose of determining liability of the Registrant under the Securities Act to any purchaser in the initial distribution of the securities, the undersigned Registrant undertakes that in a primary offering of securities of the undersigned Registrant pursuant to this registration statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned Registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser: (i) any preliminary prospectus or prospectus of the undersigned Registrant relating to the offering required to be filed pursuant to Rule 424; (ii) any free writing prospectus relating to the offering prepared by or on behalf of the undersigned Registrant or used or referred to by the undersigned Registrant; (iii) the portion of any other free writing prospectus relating to the offering containing material information about the undersigned Registrant or its securities provided by or on behalf of the undersigned Registrant; and (iv) any other communication that is an offer in the offering made by the undersigned Registrant to the purchaser.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6) That, for purposes of determining any liability under the Securities Act, each filing of the Registrant's annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan's annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in the registration statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(7) Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the SEC such indemnification is against public policy as expressed in the Securities Act, and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Act, and will be governed by the final adjudication of such issue.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(8) That:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) for purposes of determining any liability under the Securities Act, the information omitted from the form of prospectus filed as part of this registration statement in reliance upon Rule 430A and contained in a form of prospectus filed by the Registrant pursuant to Rule 424(b) (1) or (4) or 497(h) under the Securities Act shall be deemed to be part of this registration statement as of the time it was declared effective.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) for the purpose of determining any liability under the Securities Act, each post-effective amendment that contains a form of prospectus shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof.

**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized in the City of Vancouver, British Columbia, Canada, on this 31st day of October, 2025.

---

| | | |
|:---|:---|:---|
| **TRILOGY METALS INC.** | **TRILOGY METALS INC.** | **TRILOGY METALS INC.** |
| By: | /s/ Tony Giardini | /s/ Tony Giardini |
|  | Name: | Tony Giardini |
|  | Title: | President and Chief Executive Officer |

---

**POWERS OF ATTORNEY**

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Tony Giardini and Elaine Sanders, and each of them, his or her true and lawful attorneys-in-fact and agents, each acting alone, with the powers of substitution and revocation, for him or her and in his or her name, place and stead, in any and all capacities, to sign this registration statement on Form S-3, and any and all amendments (including post-effective amendments) thereto, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto such attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming that all such attorneys-in-fact and agents or any of them, or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed by the following persons in the capacities indicated below on the dates indicated.

---

| | | |
|:---|:---|:---|
| **Signature** | **Title** | **Date** |
| /s/ Tony Giardini | President and Chief Executive Officer | October 31, 2025 |
| Tony Giardini | (Principal Executive Officer) and Director |  |
| /s/ Elaine Sanders | Chief Financial Officer (Principal Financial | October 31, 2025 |
| Elaine Sanders | Officer and Principal Accounting Officer) |  |
| /s/ James Gowans | Director | October 31, 2025 |
| James Gowans |  |  |
| /s/ William Hayden | Director | October 31, 2025 |
| William Hayden |  |  |
| /s/ William Hensley | Director | October 31, 2025 |
| William Hensley |  |  |
| /s/ Gregory Lang | Director | October 31, 2025 |
| Gregory Lang |  |  |
| /s/ Janice Stairs | Director | October 31, 2025 |
| Janice Stairs |  |  |
| /s/ Diana Walters | Director | October 31, 2025 |
| Diana Walters |  |  |

---

**AUTHORIZED REPRESENTATIVE**

Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, as amended, the undersigned has signed this registration statement, solely in the capacity of director of Trilogy Metals Inc. and the duly authorized representative of Trilogy Metals Inc. in the United States, on October 31, 2025.

---

| | | |
|:---|:---|:---|
| By: | /s/ Gregory Lang | /s/ Gregory Lang |
|  | Name: | Gregory Lang |
|  | Title: | Director and Authorized US Representative |

---

## Exhibit 5.1

**Exhibit 5.1**

---

| | |
|:---|:---|
| ![](tm2529681d1_ex5-1img003.jpg) | ![](tm2529681d1_ex5-1img004.jpg) |

---

---

| | |
|:---|:---|
| October 31, 2025 |  |
|  | Reference: 99166 |
| Trilogy Metals Inc. |  |
| Suite 901, 510 Burrard Street |  |
| Vancouver, BC V6C 3A8 |  |

---

---

| | |
|:---|:---|
| **Re:** | **Trilogy Metals Inc. – Registration Statement on Form S-3** |

---

Dear Sirs/Mesdames:

We have acted as Canadian counsel to Trilogy Metals Inc., a company formed under the laws of British Columbia (the "**Company**"), in connection with the preparation and filing with the United States Securities and Exchange Commission (the "**SEC**") of a Registration Statement (the "Registration Statement") on Form S-3 under the United States Securities Act of 1933, as amended (the "**Act**"). The Registration Statement registers the issuance and sale of the Company's common shares ("**Shares**"), warrants to purchase Shares ("**Warrants**"), share purchase contracts ("**Share Purchase Contracts**"), subscription receipts exercisable for equity securities and/or other securities ("**Subscription Receipts**") and units comprised of some or all of the other securities described herein ("**Units**") (collectively, the "**Securities**"), all of which may be issued from time to time on a delayed or continuous basis pursuant to Rule 415 under the Act.

The Registration Statement includes a prospectus (the "**Prospectus**"), which provides that it will be supplemented in the future by one or more prospectus supplements (each, a "**Prospectus Supplement**"). The Warrants may be issued under one or more warrant indentures (each, a "**Warrant Indenture**") in a form that will be filed as an exhibit to a post-effective amendment to the Registration Statement or incorporated by reference therein.

The Share Purchase Contracts will be issued under one or more share purchase contract agreements (each, a "**Share Purchase Contract Agreement**") in a form that will be filed as an exhibit to a post-effective amendment to the Registration Statement or incorporated by reference therein.

The Subscription Receipts will be issued under one or more subscription receipt agreements (each, a "**Subscription Receipt Agreement**") in a form that will be filed as an exhibit to a post-effective amendment to the Registration Statement or incorporation by reference therein.

The Units may be issued under one or more unit agreements (each, a "**Unit Agreement**") in a form that will be filed as an exhibit to a post-effective amendment to the Registration Statement or incorporated by reference therein.

The Warrant Indentures, Share Purchase Contract, Unit Agreements and Subscription Receipt Agreements are referred to herein collectively as "Governing Documents".

In connection with this opinion, we have examined the Registration Statement and the Prospectus, and such matters of fact and questions of law as we have considered appropriate for purposes of this letter.

![](tm2529681d1_ex5-1img002.jpg)

---

| | |
|:---|:---|
| ![](tm2529681d1_ex5-1img003.jpg) | Page 2 |

---

We are qualified to carry on the practice of law in the Province of British Columbia. Our opinion below is expressed only with respect to the laws of the Province of British Columbia and the federal laws of Canada applicable therein, in each case, in effect on the date hereof. We express no opinion with respect to the laws of any other jurisdiction.

We have no responsibility or obligation to (i) update this opinion, (ii) take into account or inform the addressee or any other person of any changes in law, facts or other developments subsequent to this date that do or may affect the opinions we express, or (iii) advise the addressee or any other person of any other change in any matter addressed in this opinion. Nor do we have any responsibility or obligation to consider the applicability or correctness of this opinion to any person other than the addressee.

Our opinions expressed herein are based on the following assumptions:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) at or prior to the time of the delivery of any Securities, the Registration Statement, as finally amended
(including all necessary post-effective amendments), will have become effective under the Act and such effectiveness will not have been
terminated or rescinded;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) an appropriate Prospectus Supplement with respect to the offered Securities will have been prepared and
filed in compliance with the Act and the applicable rules and regulations thereunder;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) all Securities will be offered, issued and sold in compliance with applicable United States federal and
state securities laws and in the manner stated in the Registration Statement, the Prospectus and the appropriate Prospectus Supplement;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) if the offered Securities are to be sold pursuant to a definitive purchase, subscription, underwriting
or similar agreement, such agreement will have been duly authorized, executed and delivered by the Company and the other parties thereto;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) at the time of any offering or sale of any Shares, Units comprised, in whole or in part, of Shares or
Convertible Securities (as defined below) or any Warrants, Share Purchase Contracts or Subscription Receipts exercisable, exchangeable
or convertible into Shares, in whole or in part, (together, "**Convertible Securities**") and as of the date of the issuance
of any Shares issuable upon exercise of any Convertible Securities, there will be sufficient Shares authorized and unissued under the
Company's then operative constating documents and not otherwise reserved for issuance;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) any Shares issuable upon exercise of offered Convertible Securities will have been duly authorized, created
and reserved for issuance upon such exercise;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) at the time of the issuance of any Securities, the Company validly exists and is duly qualified and in
good standing under the laws of its jurisdiction of incorporation and has the necessary corporate power and authority to issue such Securities
and to execute and deliver any applicable Governing Document;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) any applicable Governing Document will have been duly authorized, executed and delivered by the parties
thereto (other than the Company), as applicable, and will constitute a legally valid and binding obligation of the parties thereto (other
than the Company), enforceable against each of them in accordance with its terms;

![](tm2529681d1_ex5-1img002.jpg)

---

| | |
|:---|:---|
| ![](tm2529681d1_ex5-1img003.jpg) | Page 3 |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) any Governing Document is governed by British Columbia law;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j) the terms of the offered Securities and of their issuance and sale have been duly established in conformity
with the Company's constating documents, so as not to violate any applicable law or Governing Document, or result in a default under or
breach of any agreement or instrument binding upon the Company, and so as to comply with any requirement or restriction imposed by any
court or governmental body having jurisdiction over the Company and the parties (other than the Company) to a Governing Document, as applicable;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k) the board of directors of the Company (the "**Board**") will have taken all necessary corporate
action, including the adoption of a resolution or resolutions of the Board in form and content as required by applicable law, to approve
the issuance and terms of the offered Securities, the consideration to be received therefor, the applicable Governing Documents, if any,
and the execution thereof, and related matters (the "**Authorization** ");

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(l) the Company will have received the agreed upon consideration for the issuance of the offered Securities
and such Securities will have been delivered by or on behalf of the Company against payment therefor; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(m) the offered Securities will have been duly authorized, established, certificated, executed, delivered,
countersigned and registered, as applicable, in accordance with the provisions of the Company's constating documents, applicable law,
applicable Governing Documents, if any, and the Authorization.

Subject to the foregoing and the other matters set forth herein, we are of the opinion that, as of the date hereof:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. With respect to the Shares, when issued, sold and delivered in the manner and for the consideration stated
in the applicable definitive purchase, underwriting or similar agreement approved by the Board, upon payment of the consideration provided
therein to the Company, or upon conversion, exchange or exercise of any other Security in accordance with the terms of such Security or
the instrument governing such Security providing for such conversion, exchange or exercise as approved by the Board, for the consideration
approved by the Board, each of the Shares will be validly issued, fully paid and non-assessable.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. With respect to the Warrants, when (a) one or more agreements (incorporating the provisions as are
contained in a document which will be filed as an exhibit to or incorporated by reference in the Registration Statement) have been duly
executed and delivered by the Company and a warrant agent, and (b) the Warrants have been issued, sold and delivered in the manner
and for the consideration stated in the applicable definitive purchase, underwriting or similar agreement as approved by the Board, for
the consideration approved by the Board, the Warrants will be valid and binding obligations of the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. With respect to the Share Purchase Contracts, when (a) one or more agreements (incorporating the
provisions as are contained in a document which will be filed as an exhibit to or incorporated by reference in the Registration Statement)
have been duly executed and delivered by the Company and a third party, and (b) Share Purchase Contracts have been issued, sold and
delivered in the manner and for the consideration stated in the applicable definitive purchase, underwriting or similar agreement as approved
by the Board, for the consideration approved by the Board, the Share Purchase Contracts will be valid and binding obligations of the Company.

![](tm2529681d1_ex5-1img002.jpg)

---

| | |
|:---|:---|
| ![](tm2529681d1_ex5-1img003.jpg) | Page 4 |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4. With respect to the Subscription Receipts, when (a) one or more agreements (incorporating provisions
as are contained in a document which will be filed as an exhibit to or incorporated by reference in the Registration Statement) have been
duly executed and delivered by the Company and an escrow agent, and (b) the Subscription Receipts have been issued, sold and delivered
in a manner and for the consideration stated in the applicable definitive purchase, underwriting or similar agreement as approved by the
Board, for the consideration approved the Board, the Subscription Receipts will be valid and binding obligations of the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5. With respect to the Units, when (a) one or more agreements (incorporating the provisions as are contained
in a document which will be filed as an exhibit to or incorporated by reference in the Registration Statement), if any, have been duly
executed and delivered by the Company and a third party, and (b) Units have been issued, sold and delivered in the manner and for
the consideration stated in the applicable definitive purchase, underwriting or similar agreement as approved by the Board, for the consideration
approved by the Board, the Units will be valid and binding obligations of the Company.

This opinion letter has been prepared for your use in connection with the Registration Statement and is expressed as of the date hereof. Our opinion is expressly limited to the matters set forth above and we render no opinion, whether by implication or otherwise, as to any other matters relating to the Company, the Prospectus, the Registration Statement or the Securities.

We hereby consent to the filing of this opinion letter as an exhibit to the Registration Statement and to the reference to this firm on the cover page and under the caption "Legal Matters" in the Prospectus. In giving this consent, we do not hereby agree that we are within the category of persons whose consent is required under Section 7 of the Act or the rules and regulations of the SEC promulgated thereunder.

Yours truly,

*"Blake, Cassels & Graydon LLP"*

![](tm2529681d1_ex5-1img002.jpg)

## Exhibit 23.1

**Exhibit 23.1**

**Consent of Independent Registered Public Accounting Firm**

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Trilogy Metals Inc. of our report dated February 13, 2025 relating to the consolidated financial statements of Trilogy Metals Inc., which appears in Trilogy Metals Inc's. Annual Report on Form 10-K for the year ended November 30, 2024. We also consent to the reference to us as experts under the heading "Auditors, Transfer Agent and Registrar" in such registration statement.

/s/ PricewaterhouseCoopers LLP

**Chartered Professional Accountants**

Vancouver, Canada

October 31, 2025

**Consent of Independent Registered Public Accounting Firm**

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Trilogy Metals Inc. of our report dated February 13, 2025 relating to the financial statements of Ambler Metals LLC, which appears in Trilogy Metals Inc's. Annual Report on Form 10-K for the year ended November 30, 2024. We also consent to the reference to us as experts under the heading "Auditors, Transfer Agent and Registrar" in such registration statement.

/s/ PricewaterhouseCoopers LLP

**Chartered Professional Accountants**

Vancouver, Canada

October 31, 2025

## Exhibit 23.3

**Exhibit 23.3**

**CONSENT OF WOOD CANADA LTD.**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to the use of, or the incorporation by reference of, (i) the technical report summary titled "Arctic Project, Technical Report Summary, Ambler Mining District, Alaska" dated effective November 30, 2022 (the "Arctic TRS") and (ii) the technical report summary titled the "S-K 1300 Technical Report Summary on the Initial Assessment of the Bornite Project, Northwest Alaska, USA" dated November 30, 2024 (the "Bornite TRS"), or references to the Wood Canada Limited's name as a co-author of the Arctic TRS and Bornite TRS, and the use of scientific and technical information, prepared by Wood Canada Limited, including any mineral reserve and mineral resource estimates, from the Arctic TRS and the mineral resources from the Bornite TRS (collectively, the "Technical Information"), which comply with the requirements under Subpart 1300 of Regulation S-K promulgated by the SEC, including extracts from or summaries of the Technical Information.

---

| |
|:---|
| DATED: October 31, 2025 |
| <br> On behalf of Wood Canada Limited |
| <br> /s/ Edwin Peralta |
| Name: Edwin Peralta<br>|
| Title: Technical Director Mining & Geology and authorized signor for Wood Canada Limited |

---

## Exhibit 23.4

**Exhibit 23.4**

**CONSENT OF AUSENCO ENGINEERING CANADA ULC**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to:

● references to the Ausenco Engineering Canada ULC's name as corporate successor to Ausenco Engineering Canada Inc. ("Ausenco") name and to the use of, or the incorporation by reference of the following two technical report summaries,

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;i. the technical report summary titled "Arctic Project, Technical Report Summary, Ambler Mining District,
Alaska" dated effective November 30, 2022 (the "Arctic TRS") and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ii. the technical report summary titled the "S-K 1300 Technical Report Summary on the Initial Assessment
of the Bornite Project, Northwest Alaska, USA" dated November 30, 2024 (the "Bornite TRS"), and

● the use of scientific and technical information, from the Arctic TRS and the Bornite TRS (collectively, the "Technical Information") for which Ausenco was responsible authoring in each Technical Report Summary, which comply with the requirements under Subpart 1300 of Regulation S-K promulgated by the SEC, including extracts from or summaries of the Technical Information.

---

| |
|:---|
| DATED: October 31, 2025 |
| <br> Ausenco Engineering Canada ULC as corporate successor to Ausenco Engineering Canada Inc. |
| /s/ Steve Klohn |
| Name: Steve Klohn<br> Title: Director, Technical Services |

---

## Exhibit 23.5

**Exhibit 23.5**

**CONSENT OF SRK CONSULTING (CANADA) INC.**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to any amendments or post-effective amendments to the Registration Statement and to any prospectuses or prospectus supplements thereto, of references to the SRK Consulting (Canada) Inc.'s name and to the use of, or the incorporation by reference of, (i) the technical report summary titled "Arctic Project, Technical Report Summary, Ambler Mining District, Alaska" dated effective November 30, 2022 (the "Arctic TRS") and (ii) the technical report summary titled the "S-K 1300 Technical Report Summary on the Initial Assessment of the Bornite Project, Northwest Alaska, USA" dated November 30, 2024 (the "Bornite TRS"), and the use of scientific and technical information, including any reserve and resource estimates, from the Arctic TRS and the Bornite TRS (collectively, the "Technical Information"), which comply with the requirements under Subpart 1300 of Regulation S-K promulgated by the SEC, including extracts from or summaries of the Technical Information.

---

| | |
|:---|:---|
| DATED: October 31, 2025 | DATED: October 31, 2025 |
| SRK Consulting (Canada) Inc. | SRK Consulting (Canada) Inc. |
| /s/ Calvin Boese | /s/ Calvin Boese |
| Name: | Calvin Boese |
| Title: | Principal Consultant (Geotechnical) |

---

## Exhibit 23.6

**Exhibit 23.6**

**CONSENT OF BROWN AND CALDWELL**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to any amendments or post-effective amendments to the Registration Statement and to any prospectuses or prospectus supplements thereto, of references to the Brown and Caldwell's name and to the use of, or the incorporation by reference of the technical report summary titled "Arctic Project, Technical Report Summary, Ambler Mining District, Alaska" dated effective November 30, 2022 (the "Arctic TRS") and the use of scientific and technical information, including any reserve and resource estimates, from the Arctic TRS (collectively, the "Technical Information"), which comply with the requirements under Subpart 1300 of Regulation S-K promulgated by the SEC, including extracts from or summaries of the Technical Information.

---

| | |
|:---|:---|
| DATED: October 31, 2025 | DATED: October 31, 2025 |
| Brown and Caldwell | Brown and Caldwell |
| /s/ Dennis Fink | /s/ Dennis Fink |
| Name: | Dennis Fink |
| Title: | Senior Project Manager |

---

## Exhibit 23.7

**Exhibit 23.7**

**CONSENT OF CORE GEOSCIENCE LLC**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to any amendments or post-effective amendments to the Registration Statement and to any prospectuses or prospectus supplements thereto, of references to the Core Geoscience LLC's name and to the use of, or the incorporation by reference of the technical report summary titled the "S-K 1300 Technical Report Summary on the Initial Assessment of the Bornite Project, Northwest Alaska, USA" dated November 30, 2024 (the "Bornite TRS"), and the use of scientific and technical information, including any reserve and resource estimates, from the Bornite TRS (collectively, the "Technical Information"), which comply with the requirements under Subpart 1300 of Regulation S-K promulgated by the SEC, including extracts from or summaries of the Technical Information.

---

| | |
|:---|:---|
| DATED: October 28, 2025 | DATED: October 28, 2025 |
| Core Geoscience LLC | Core Geoscience LLC |
| /s/ John J DiMarchi | /s/ John J DiMarchi |
| Name: | John (Jack) DiMarchi |
| Title: | Principal/Owner Core Geoscience LLC |

---

## Exhibit 23.8

**Exhibit 23.8**

**CONSENT OF INTERNATIONAL METALLURGICAL & ENVIRONMENTAL INC.**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to any amendments or post-effective amendments to the Registration Statement and to any prospectuses or prospectus supplements thereto, of references to the International Metallurgical & Environmental Inc.'s name and to the use of, or the incorporation by reference of the technical report summary titled the "S-K 1300 Technical Report Summary on the Initial Assessment of the Bornite Project, Northwest Alaska, USA" dated November 30, 2024 (the "Bornite TRS"), and the use of scientific and technical information, including any reserve and resource estimates, from the Bornite TRS (collectively, the "Technical Information"), which comply with the requirements under Subpart 1300 of Regulation S-K promulgated by the SEC, including extracts from or summaries of the Technical Information.

---

| | |
|:---|:---|
| DATED: October 29, 2025 | DATED: October 29, 2025 |
| International Metallurgical & Environmental Inc. | International Metallurgical & Environmental Inc. |
| /s/ Jeff Austin | /s/ Jeff Austin |
| Name: | Jeff Austin |
| Title: | President |

---

## Exhibit 23.9

**Exhibit 23.9**

**CONSENT OF Richard Gosse**

The undersigned hereby consents to the inclusion in or incorporation by reference in the registration statement on Form S-3 (the "Registration Statement") of Trilogy Metals Inc. being filed with the U.S. Securities and Exchange Commission ("SEC"), to any amendments or post-effective amendments to the Registration Statement and to any prospectuses or prospectus supplements thereto, of references to the undersigned's name and to the use of, or the incorporation by reference of, the scientific and technical disclosure contained in the annual report on Form 10-K for the fiscal year ended November 30, 2024 and any subsequent Quarterly Reports under Form 10-Q.

---

| |
|:---|
| DATED: October 28, 2025 |
| /s/ Richard Gosse |
| Richard Gosse |

---

## Ex-Filing

?xml version='1.0' encoding='ASCII'? EX-FILING FEES

---

| |
|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Calculation of Filing Fee Tables**  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **S-3**  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Trilogy Metals Inc.**  |

---

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| | | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Security Type**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Security Class Title**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Fee Calculation or Carry Forward Rule**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Maximum Aggregate Offering Price**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Fee Rate**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Amount of Registration Fee**  |
| **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** |
| Fees to be Paid | 1 | Equity | Common Shares, no par value | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 2 | Equity | Warrants to Purchase Common Shares | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 3 | Other | Share Purchase Contracts | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 4 | Other | Subscription Receipts | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 5 | Other | Units | 457(r) |  | 0.0001381 |  |
| Fees Previously Paid |  |  |  |  |  |  |  |
| **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** |
| Carry Forward Securities |  |  |  |  |  |  |  |
|  |  |  | Total Offering Amounts: | Total Offering Amounts: | $0.00  |  | $0.00  |
|  |  |  | Total Fees Previously Paid:  | Total Fees Previously Paid:  |  |  | $0.00  |
|  |  |  | Total Fee Offsets:  | Total Fee Offsets:  |  |  | $0.00  |
|  |  |  | Net Fee Due:  | Net Fee Due:  |  |  | $0.00  |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Offering Note** <br>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>1</sup> a. The securities registered hereunder include such indeterminate number of common shares, warrants, share purchase contracts, subscription receipts and units or any combination thereof as may be sold from time to time by the Registrant. There are also being registered hereunder an indeterminate number of each class of identified securities as shall be issuable upon conversion, exchange or exercise of any securities that provide for such issuance. In addition, any securities registered hereunder may be sold separately or as units with other securities registered hereunder. The securities which may be offered pursuant to this registration statement include, pursuant to Rule 416 of the Securities Act of 1933, as amended (the "Securities Act"), such additional number of common shares of the Registrant that may become issuable as a result of any stock split, stock dividends or similar event. b. In reliance on Rule 456(b) and Rule 457(r) under the Securities Act, Trilogy Metals Inc. hereby defers payment of the registration fee required in connection with this Registration Statement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>2</sup> See Notes a and b

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>3</sup> See Notes a and b

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>4</sup> See Notes a and b

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>5</sup> Consisting of any combination of common stock and warrants. See also Notes a and b

---

| | |
|:---|:---|
| | |
| **Rules 457(b) and 0-11(a)(2)** | **Rules 457(b) and 0-11(a)(2)** |
| Fee Offset Claims | N/A |
| Fee Offset Sources | N/A |
| **Rule 457(p)** | **Rule 457(p)** |
| Fee Offset Claims | N/A |
| Fee Offset Sources | N/A |

---

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Security Type**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Security Class Title**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Amount of Securities Previously Registered**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Maximum Aggregate Offering Price of Securities Previously Registered**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Form Type**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **File Number**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Initial Effective Date**  |
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

---