# EDGAR Filing Document

**Accession Number:** 0001907184
**File Stem:** 0001171843-25-007808
**Filing Date:** 2025-12
**Character Count:** 38071
**Document Hash:** 3e241ee333426b83be708782c585c4d0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001171843-25-007808.hdr.sgml**: 20251208

**ACCESSION NUMBER**: 0001171843-25-007808

**CONFORMED SUBMISSION TYPE**: F-3/A

**PUBLIC DOCUMENT COUNT**: 4

**FILED AS OF DATE**: 20251208

**DATE AS OF CHANGE**: 20251208

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Electra Battery Materials Corp
- **CENTRAL INDEX KEY:** 0001907184
- **STANDARD INDUSTRIAL CLASSIFICATION:** MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A6
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** F-3/A
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-288364
- **FILM NUMBER:** 251556182

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 3200, BAY ADELAIDE CENTRE
- **STREET 2:** 40 TEMPERANCE ST.
- **CITY:** TORONTO
- **PROVINCE COUNTRY:** A6
- **ZIP:** M5H 0B4
- **BUSINESS PHONE:** 416-900-3891

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** ELECTRA HEAD OFFICE
- **STREET 2:** 133 RICHMOND STREET W, SUITE 602
- **CITY:** TORONTO
- **PROVINCE COUNTRY:** A6
- **ZIP:** M5H 2L3

**As filed with the Securities and Exchange Commission on December 8, 2025**

**Registration No. 333-288364**

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549**

**FORM F-3/A**

**(Amendment No. 5)**

**REGISTRATION STATEMENT** 

***UNDER***

***THE SECURITIES ACT OF 1933***

 ****

 ****

## Electra Battery Materials Corporation
**(Exact name of Registrant as specified in its charter)** 

**Not applicable**

**(Translation of Registrant's name into English)**

---

| | |
|:---|:---|
| **Canada** | **Not Applicable** |
| **(State or Other Jurisdiction of**<br> **Incorporation or Organization)** | **(I.R.S. Employer Identification Number)** |

---

**133 Richmond Street W, Suite 602**

**Toronto, Ontario**

**M5H 2L3**

**Canada**

**(416) 900-3891** 

**(Address and telephone number of Registrant's principal executive offices)**

**CT Corporation System** 

**28 Liberty Street**

**New York, New York 10005**

**(212) 894-8940**

**(Name, address and telephone number of agent for service)**

***Copies of all communications, including communications sent to agent for service, should be sent to:***

---

| | | |
|:---|:---|:---|
| **Sam Cole, Esq.<br> Cassels, Brock & Blackwell LLP<br> Suite 2200, RBC Place, 885 West Georgia St.<br> Vancouver, British Columbia V6C 3E8<br> Canada<br> (604) 691-6100** | **Trent Mell**<br> **Electra Battery Materials Corporation**<br> **133 Richmond Street W, Suite 602**<br> **Toronto, Ontario M5H 2L3**<br> **Canada**<br> **(416) 900-3891** | **Thomas M. Rose** <br> **Shona Smith**<br> **Troutman Pepper Locke LLP**<br> **111 Huntington Avenue, 9<sup>th</sup> Floor**<br> **Boston, MA 02199**<br> **United States**<br> **(757) 687-7715** |

---

**Approximate date of commencement of proposed sale of the securities to the public:** 

**From time to time after the effective date of this Registration Statement**

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, 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, 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.C. 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.C. 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 an emerging growth company as defined in Rule 405 of the Securities Act of 1933.

Emerging growth company ☒

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, 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 the Securities Act. ☐

† The term "new or revised financial accounting standard" refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.

**We hereby amend this Registration Statement on such date or dates as may be necessary to delay its effective date until we file a further amendment which will specifically state that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the United States Securities Act of 1933, as amended (the "U.S. Securities Act"), or until the Registration Statement shall become effective on such date as the United States Securities and Exchange Commission (the "SEC"), acting pursuant to said Section 8(a), may determine.**

**EXPLANATORY NOTE**

Electra Battery Materials Corporation (the "**Company**") is filing this Amendment No. 5 ("**Amendment No. 5**") to its Registration Statement on Form F-3, originally filed on June 27, 2025 (the "**Original Filing**"), and as amended on July 28, 2025 ("**Amendment No. 1**"), on August 11, 2025 ("**Amendment No. 2**"), on September 25, 2025 ("**Amendment No. 3**"), and on November 25, 2025 ("**Amendment No. 4**"). This Amendment No. 5 is being filed solely for the purpose of providing a new Exhibit 5.1 opinion regarding up to a maximum aggregate offering price of US$50,000,000 of securities that may be offered, issued and sold by us under the base prospectus contained in the Registration Statement. Accordingly, this Amendment No. 5 consists only of the facing page, this explanatory note, Part II of the Registration Statement, including the signature page and the exhibit index, and the filed exhibit. The prospectuses are unchanged and have been omitted.

**PART II**

**INFORMATION NOT REQUIRED IN PROSPECTUS**

**Indemnification of Directors and Officers**

Under the Canada Business Corporations Act (the "**CBCA**"), we may indemnify our current or former directors or officers or another individual who acts or acted at our request as a director or officer, or an individual acting in a similar capacity, of another entity, against all costs, charges and expenses, including an amount paid to settle an action or satisfy a judgment, reasonably incurred by the individual in respect of any civil, criminal, administrative, investigative or other proceeding in which the individual is involved because of his or her association with us or another entity. The CBCA also provides that we may advance moneys to a director, officer or other individual for costs, charges and expenses reasonably incurred in connection with such a proceeding; provided that such individual shall repay the moneys if the individual does not fulfill the conditions described below.

However, indemnification is prohibited under the CBCA unless the individual:

&nbsp;&nbsp;&nbsp;&nbsp;· acted honestly and in good faith with a view to our best interests, or the best interests of the other entity for which the individual
acted as director or officer or in a similar capacity at our request; and

&nbsp;&nbsp;&nbsp;&nbsp;· in the case of a criminal or administrative action or proceeding that is enforced by a monetary penalty, the individual had reasonable
grounds for believing that his or her conduct was lawful.

Our by-laws require us to indemnify to the fullest extent permitted by the CBCA each of our current or former directors or officers and each individual who acts or acted at our request as a director or officer, or an individual acting in a similar capacity, of another entity, against all costs, charges and expenses, including, without limitation, an amount paid to settle an action or satisfy a judgment, reasonably incurred by the individual in respect of any civil, criminal, administrative, investigative or other proceeding in which the individual is involved because of his or her association with us or another entity.

Our by-laws authorize us to purchase and maintain insurance for the benefit of each of our current or former directors or officers and each person who acts or acted at our request as a director or officer, or an individual acting in a similar capacity, of another entity provided the individual acted in that capacity at our request.

**Insofar as indemnification for liabilities arising under the U.S. 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 U.S. Securities Act and is therefore unenforceable.**

**EXHIBITS**

The following exhibits have been filed as part of this Registration Statement.

---

| | |
|:---|:---|
| **Exhibit<br> Number**<br>| **Description**<br>|
| 1.1† | Form of Underwriting Agreement. |
| [1.2\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_12.htm) | [At-The-Market Offering Agreement, dated June 26, 2025, by and between the Registrant and H.C. Wainwright & Co., LLC.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_12.htm) |
| [3.1](https://www.sec.gov/Archives/edgar/data/1907184/000110465924062101/elbm-20231231xex1d1.htm) | [Certificate of Continuance of First Cobalt Corp., dated September 4, 2018 (incorporated herein by reference to Exhibit 1.1 to the Registrant's Annual Report on Form 20-F filed with the SEC on May 16, 2024).](https://www.sec.gov/Archives/edgar/data/1907184/000110465924062101/elbm-20231231xex1d1.htm) |
| [3.2](https://www.sec.gov/Archives/edgar/data/1907184/000110465922053653/tm2212970d1_ex4-2.htm) | [Certificate of Amendment and Articles of Amendment dated December 6, 2021 (incorporated herein by reference to Exhibit 4.2 to the Registrant's Registration Statement on Form S-8 (File No. 333-264589) filed with the SEC on April 29, 2022).](https://www.sec.gov/Archives/edgar/data/1907184/000110465922053653/tm2212970d1_ex4-2.htm) |
| [3.3](https://www.sec.gov/Archives/edgar/data/1907184/000110465924062101/elbm-20231231xex1d3.htm) | [Certificate of Amendment to the Articles of Incorporation of Electra Battery Materials Corporation dated November 17, 2022 (incorporated by reference to Exhibit 1.3 to the Registrant's Annual Report on Form 20-F filed with the SEC on May 16, 2024).](https://www.sec.gov/Archives/edgar/data/1907184/000110465924062101/elbm-20231231xex1d3.htm) |
| [3.4](https://www.sec.gov/Archives/edgar/data/1907184/000110465922053653/tm2212970d1_ex4-3.htm) | [By-laws of the Registrant (incorporated herein by reference to Exhibit 4.3 to the Registrant's Registration Statement on Form S-8 (File No. 333-264589) filed with the SEC on April 29, 2022).](https://www.sec.gov/Archives/edgar/data/1907184/000110465922053653/tm2212970d1_ex4-3.htm) |
| [4.1\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_41.htm) | [Specimen common share certificate.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_41.htm) |
| 4.2† | Form of Warrant Certificate. |
| 4.3† | Form of Warrant Agreement or Warrant Indenture. |
| [5.1\*](exh_51.htm) | [Opinion of Cassels, Brock & Blackwell LLP](exh_51.htm) |
| [5.2\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325005263/exh_52.htm) | [Opinion of Cassels, Brock & Blackwell LLP](https://www.sec.gov/Archives/edgar/data/1907184/000117184325005263/exh_52.htm) |
| [23.1.1\*](exh_51.htm) | [Consent of Cassels, Brock & Blackwell LLP (contained in Exhibit 5.1).](exh_51.htm) |
| [23.1.2\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325005263/exh_52.htm) | [Consent of Cassels, Brock & Blackwell LLP (contained in Exhibit 5.2).](https://www.sec.gov/Archives/edgar/data/1907184/000117184325005263/exh_52.htm) |
| [23.2\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/exh_232.htm) | [Consent of MNP LLP.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/exh_232.htm) |
| [23.3\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/exh_233.htm) | [Consent of KPMG LLP.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/exh_233.htm) |
| [23.4\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_234.htm) | [Consent of Martin Perron, Principal Engineer.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_234.htm) |
| [23.5\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_235.htm) | [Consent of Marc R. Beauvais, Principal Engineer.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_235.htm) |
| [23.6\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_236.htm) | [Consent of Pierre Roy, Principal Engineer.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_236.htm) |
| [23.7\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_237.htm) | [Consent of Eric Kinnan, Principal Geologist.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_237.htm) |
| [23.8\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_238.htm) | [Consent of Norda Stelo Géologie (formerly InnovExplo Inc.)](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_238.htm) |
| [23.9\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_239.htm) | [Consent of Soutex Inc.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325004175/exh_239.htm) |
| [24\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/f3a_112425.htm#poa) | [Power of Attorney.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/f3a_112425.htm#poa) |
| [107\*\*](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/exh_107.htm) | [Filing Fee Table.](https://www.sec.gov/Archives/edgar/data/1907184/000117184325007551/exh_107.htm) |

---

---

| | |
|:---|:---|
| \* | Filed herewith |
| \*\* | Previously Filed |
| † | To be filed by amendment or as an exhibit to a report pursuant to Section 13(a) or 15(d) of the United States Securities Exchange Act of 1934, as amended (the "**U.S. Exchange Act**"), including any Form 6-K, and incorporated herein by reference if necessary or required by the transaction. |

---

**UNDERTAKINGS**

(a) 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 U.S. 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 SEC pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20 percent change in the maximum aggregate offering price set forth in the "Calculation of Registration Fee" table in the effective 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;(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 paragraphs (a)(1)(i), (a)(1)(ii) and (a)(1)(iii) of this section do not apply if the registration statement is on Form S-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 SEC by the registrant pursuant to section 13 or section 15(d) of the U.S. Exchange Act that are incorporated by reference in the registration statement, or 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 U.S. 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) To file a post-effective amendment to the registration statement to include any financial statements required by Item 8.A. of Form 20-F at the start of any delayed offering or throughout a continuous offering. Financial statements and information otherwise required by Section 10(a)(3) of the U.S. Securities Act need not be furnished, provided, that the registrant includes in the prospectus, by means of a post-effective amendment, financial statements required pursuant to this paragraph (a)(4) and other information necessary to ensure that all other information in the prospectus is at least as current as the date of those financial statements. Notwithstanding the foregoing, with respect to registration statements on Form F-3, a post-effective amendment need not be filed to include financial statements and information required by Section 10(a)(3) of the U.S. Securities Act or Rule 3-19 of Regulation S-X if such financial statements and information are contained in periodic reports filed with or furnished to the SEC by the registrant pursuant to section 13 or section 15(d) of the U.S. Exchange Act that are incorporated by reference in the Form F-3.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5) That, for the purpose of determining liability under the U.S. 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) 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;(ii) 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 U.S. 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.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6) That, for the purpose of determining liability of the registrant under the U.S. 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:

&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) Any preliminary prospectus or prospectus of the undersigned registrant relating to the offering required to be filed pursuant to Rule 424;

&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) 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;

&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) 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

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) Any other communication that is an offer in the offering made by the undersigned registrant to the purchaser.

(b) The undersigned registrant hereby undertakes that, for purposes of determining any liability under the U.S. Securities Act, each filing of the registrant's annual report pursuant to Section 13(a) or 15(d) of the U.S. Exchange Act (and, where applicable, each filing of an employee benefit plan's annual report pursuant to Section 15(d) of the U.S. 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.

(c) Insofar as indemnification for liabilities arising under the U.S. 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 U.S. 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 U.S. Securities Act and will be governed by the final adjudication of such issue.

**SIGNATURES**

Pursuant to the requirements of the U.S. Securities Act, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form F-3 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Toronto, Province of Ontario, Canada, on December 8, 2025.

---

| |
|:---|
| **ELECTRA BATTERY MATERIALS CORPORATION** |
| By:<u>/s/ Trent Mell</u> |
| Name: Trent Mell |
| Title: President, Chief Executive Officer and Director |

---

Pursuant to the requirements of the U.S. Securities Act, this Registration Statement has been signed by the following persons in the capacities indicated, on December 8, 2025.

---

| | |
|:---|:---|
| **Signatures** | **Title** |
| /s/ Trent Mell | President, Chief Executive Officer and Director |
| Trent Mell | (Principal Executive Officer) |
| \* | Chief Financial Officer |
| Marty Rendall | (Principal Financial and Accounting Officer) |
| \* | Director |
| Alden Greenhouse |  |
| \* | Director |
| Gerard Hueber |  |
| \* | Director |
| John Pollesel |  |
| \* | Chairman of the Board |
| David Stetson |  |
| \* | Director |
| Jody Thomas |  |
| \* | Director |
| Susan Uthayakumar |  |

---

\*By: <u>/s/ Trent Mell</u> 

Attorney-in-fact

**AUTHORIZED REPRESENTATIVE**

Pursuant to the requirements of Section 6(a) of the U.S. Securities Act, the undersigned has signed this Registration Statement, in the capacity of the duly authorized representative of Electra Battery Materials Corporation in the United States, on December 8, 2025.

---

| |
|:---|
| **PUGLISI & ASSOCIATES** |
| By: <u>/s/ Donald J. Puglisi</u> |
| Name: Donald J. Puglisi |
| Title: Managing Director |

---

## Exhibit 5.1

**Exhibit 5.1**

![](casselslogo.jpg)

December 8, 2025

Electra Battery Materials Corporation<br> 133 Richmond Street W, Suite 602<br> Toronto, Ontario<br> MSH 2L3<br> Canada<br>

Dear Sirs/Mesdames:

Re: Electra Battery Materials Corporation - Registration Statement on Form F-3

We have acted as Canadian counsel to Electra Battery Materials Corporation, a corporation existing under the laws of Canada (the "**Company**"), in connection with the preparation of a Shelf Registration Statement on Form F-3 (the "**Registration Statement**") under the United States Securities Act of 1933, as amended (the "**Securities Act**"), relating to the Company's offering of an aggregate of $50,000,000 of any combination of: (i) common shares in the capital of the Company ("**Common Shares**"); (ii) warrants to purchase Common Shares ("**Warrants**"); (iii) units consisting of Common Shares and Warrants, in any combination ("**Units**"); and (iv) the Common Shares that may be issued upon the exercise of the Warrants ("**Warrant Shares**") or in connection with the Units, as applicable. The Common Shares, Warrants and Units are referred to herein collectively as the "**Securities**." The Securities may be issued and sold or delivered from time to time as set forth in the Registration Statement, any amendment thereto, the prospectus contained therein (the "**Prospectus**") and supplements to the prospectus (the "**Prospectus Supplements**") and pursuant to Rule 415 under the Securities Act.

In so acting, we have examined copies of the Registration Statement, including the Prospectus contained therein, as well as the following documents (collectively, the "**Corporate Documents**"): (i) the Company's Articles of Incorporation and Bylaws and (ii) records of the Company's corporate proceedings in connection with the Registration Statement. We have also examined copies, certified or otherwise identified to our satisfaction, of such public and corporate records, certificates, instruments and other documents and have considered such questions of law as we have deemed relevant and necessary as a basis for the opinion hereinafter expressed. With respect to the accuracy of factual matters material to this opinion, we have relied upon certificates or comparable documents and representations of public officials and the Corporate Documents, without independent investigation of the matters provided for therein for the purpose of providing this opinion.

In examining all documents and in providing our opinion, we have assumed:

&nbsp;&nbsp;&nbsp;&nbsp;(a) all information contained in all documents reviewed by us is true and correct;

![](footer.jpg)

![](casselslogo.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;(b) the genuineness of all signatures on all documents examined by us and the legal capacity of all natural
persons;

&nbsp;&nbsp;&nbsp;&nbsp;(c) the authenticity of all documents submitted to us as originals;

&nbsp;&nbsp;&nbsp;&nbsp;(d) the conformity to original documents of all documents submitted to us as copies, whether facsimile, electronic,
photostatic, certified or otherwise, and the authenticity of the originals of such copies;

&nbsp;&nbsp;&nbsp;&nbsp;(e) each natural person signing any document reviewed by us had the legal capacity to do so, none of which
facts we have independently verified;

&nbsp;&nbsp;&nbsp;&nbsp;(f) no order, ruling or decision of any court or regulatory or administrative body is in effect at any relevant
time that restricts the issuance of the Securities;

&nbsp;&nbsp;&nbsp;&nbsp;(g) there is no foreign law that would affect the opinion expressed herein;

&nbsp;&nbsp;&nbsp;&nbsp;(h) at the time of the execution and delivery of any documents relating to the Securities or the offering
thereof, to the extent such documents purport to constitute agreements, such documents constitute valid and binding obligations of such
parties;

&nbsp;&nbsp;&nbsp;&nbsp;(i) the due authorization, execution and delivery of all documents where authorization, execution and delivery
are prerequisites to the effectiveness of such documents;

&nbsp;&nbsp;&nbsp;&nbsp;(j) the Company has the necessary corporate power and capacity to execute, deliver and perform its obligations
under the terms and conditions of any purchase, underwriting or other agreement, indenture or instrument relating to the Company's
creation, authentication, issuance, sale and/or delivery of the Securities to which the Company is party (any such agreement, the "**Agreement** ");

&nbsp;&nbsp;&nbsp;&nbsp;(k) the Company has the necessary corporate power and capacity to authorize, create, authenticate, validly
issue, sell and deliver the Securities and perform its obligations under the terms and conditions of the Securities;

&nbsp;&nbsp;&nbsp;&nbsp;(l) all necessary corporate action will have been taken by the Company prior to the effective date of the
Agreement to duly authorize the execution and delivery by the Company of the Agreement and the performance of its obligations under the
terms and conditions thereof;

&nbsp;&nbsp;&nbsp;&nbsp;(m) all necessary corporate action will have been taken by the Company prior to the time of issuance of the
Securities to duly authorize, create, authenticate, sell, deliver and validly issue the Securities and to perform its obligations under
the terms and conditions of the Securities, and all of the terms and conditions relevant to the execution, delivery and issuance of the
Securities in the applicable Agreement will have been complied with;

&nbsp;&nbsp;&nbsp;&nbsp;(n) all necessary corporate action will have been taken by the Company prior to the time of issuance of the
Securities to duly authorize the terms of the offering of the Securities and related matters;

![](casselslogo.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;(o) prior to the effective date of the Agreement, the Agreement (i) will have been duly authorized, executed
and delivered by all parties thereto and such parties had the capacity to do so; (ii) will constitute a legal, valid and binding
obligation of all parties thereto; (iii) will be enforceable in accordance with its terms against all parties thereto; and (iv)
will be governed by the laws of the Province of Ontario;

&nbsp;&nbsp;&nbsp;&nbsp;(p) the Securities will have been duly authorized, created, authenticated, sold and delivered and validly
issued by the Company and any other person signing or authenticating the Securities, as applicable;

&nbsp;&nbsp;&nbsp;&nbsp;(q) the execution and delivery of the Agreement and the performance by the Company of its obligations under
the terms and conditions thereunder do not and will not conflict with and do not and will not result in a breach of or default under,
and do not and will not create a state of facts which, after notice or lapse of time or both, will conflict with or result in a breach
of or default under any of the terms or conditions of the notice of articles or articles of the Company, any resolutions of the board
of directors or shareholders of the Company, any agreement or obligation of the Company, or applicable law;

&nbsp;&nbsp;&nbsp;&nbsp;(r) the authorization, creation, authentication, sale, delivery and issuance of the Securities and the Company's
performance of its obligations under the terms and conditions of the Securities do not and will not conflict with and do not and will
not result in a breach of or default under, and do not and will not create a state of facts which, after notice or lapse of time or both,
will conflict with or result in a breach of or default under any of the terms or conditions of the notice of articles or articles of the
Company, any resolutions of the board of directors or shareholders of the Company, any agreement or obligation of the Company, or applicable
law; and

&nbsp;&nbsp;&nbsp;&nbsp;(s) the terms of the offering of the Securities and related matters do not and will not conflict with and
do not and will not result in a breach of or default under, and do not and will not create a state of facts which, after notice or lapse
of time or both, will conflict with or result in a breach of or default under any of the terms or conditions of the notice of articles
or articles of the Company, any resolutions of the board of directors or shareholders of the Company, any agreement or obligation of the
Company, or applicable law.

Our opinion herein is limited to the laws of the Province of Ontario and the federal laws of Canada applicable therein now in effect on the date hereof (the "**Applicable Law**"), and we are expressing no opinion as to the effect of the laws of any other jurisdiction, domestic or foreign.

Based and relying upon the foregoing, and subject to the qualifications, assumptions and limitations expressed herein, we are of the opinion that:

&nbsp;&nbsp;&nbsp;&nbsp;1. the Common Shares will be validly issued as fully paid and non-assessable common shares in the capital
of the Company;

![](casselslogo.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;2. the Warrants and Units will be validly issued by, and will be binding obligations of, the Company; and

&nbsp;&nbsp;&nbsp;&nbsp;3. upon full payment therefor and the issue thereof in accordance with the terms of the applicable warrant,
the Warrant Shares, which have been validly authorized and allotted for issuance, will be validly issued as fully paid and non-assessable
common shares in the capital of the Company and will, when sold and paid for as contemplated by the Registration Statement, continue to
be validly issued, fully paid and nonassessable; and upon payment for the applicable Securities provided for in the applicable Agreement
and when issued, sold and delivered and in accordance with such Agreement.

We hereby consent to the use of our name under the heading "Legal Matters" in, and the filing of this opinion as an exhibit to, the Registration Statement. In giving this consent, we do not thereby admit that we are in the category of persons whose consent is required under the Securities Act or the rules and regulations promulgated thereunder.

This opinion is furnished solely in connection with the filing of the Registration Statement and is not to be used, circulated, quoted or otherwise relied upon for any other purpose. This opinion is limited to the specific issues addressed herein, and no opinion may be inferred or implied beyond that expressly stated herein. This opinion is expressed as at the date hereof and we disclaim any undertaking or obligation to advise you of any subsequent changes of the facts stated or assumed herein or any subsequent changes in Applicable Law.

Yours truly,

/s/ *Cassels Brock & Blackwell LLP*