Capstone Copper Corp.

COVER LETTER

Capstone Copper Corp. has filed, under separate cover, the Prospectus Supplement dated February 5, 2024 to the Short Form Base Shelf Prospectus dated March 1, 2024 and the Underwriting Agreement dated February 5, 2024.

Enclosed in this document are the following documents that were filed in connection with the foregoing:

Consent letters from each of the following:
a. Blake, Cassels & Graydon LLP, counsel to the Company;
b. Cassels Brock & Blackwell LLP, counsel to the Underwriters; and
c. the applicable qualified persons:
- i. Joyce Maycock, P.Eng.;
- ii. Dr. Antonio Luraschi, CMC;
- iii. Marcial Mendoza, CMC;
- iv. David Rennie, P. Eng.;
- v. Roy Betinol, P. Eng.;
- vi. Carlos Guzman, CMC, FAusIMM;
- vii. Aminpro Mineral Processing Ltd.;
- viii. Michael Gingles, QP MMSA;
- ix. Thomas F. Kerr, P. Eng.;
- x. Lyn Jones, P. Eng.;
- xi. Gregg Bush, P.Eng.;
- xii. Jenna Hardy, P. Geo., FGC;
- xiii. Ali Jalbout, P.Eng., Ph.D.;
- xiv. Peter Amelunxen, P.Eng.;
- xv. Tony J. Freiman, PE.;
- xvi. Garth D. Kirkham, P. Geo., FGC;
- xvii. Vivienne McLennan, P. Geo.;
- xviii. Josh Moncrieff, P. Geo.;
- xix. J. Todd Harvey, SME-RM;
- xx. Klaus Triebel, CPG;
- xxi. Edward C. Wellman, PE, PG, CEG;
- xxii. Gustavo Tapia, RM CMC;
- xxiii. Ronald Turner, MAusIMM CP(Geo);
- xxiv. Cashel Meagher, P.Geo.;
- xxv. WSP USA Environmental and Infrastructure Inc.;
- xxvi. Clay Craig, P. Eng.; and
- xxvii. Colleen Roche, P. Eng., SME-RM; and
Non-issuer form of submission to jurisdiction and appointment of agent for service of process completed by each of the following (in electronic format):
a. Patricia Palacios;
b. Orion Fund JV Limited;
c. Orion Mine Finance Fund II LP; and
d. Orion Mine Finance (Master) Fund I-A LP.

Capstone Copper Corp. (ARBN 673 751 490) company incorporated in British Columbia, Canada with its registered office at Suite 2100, 510 West Georgia Street, Vancouver BC V6B 0M3, Canada.

==> picture [156 x 48] intentionally omitted <==

==> picture [157 x 79] intentionally omitted <==

February 5, 2024

VIA SEDAR+

TO: British Columbia Securities Commission (as Principal Regulator)

AND TO: Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Manitoba Securities Commission Ontario Securities Commission Autorité des Marchés Financiers Nova Scotia Securities Commission Financial and Consumer Services Commission (New Brunswick) Prince Edward Island Securities Office Securities Commission of Newfoundland and Labrador Office of the Superintendent of Securities (Northwest Territories) Office of the Yukon Superintendent of Securities Superintendent of Securities (Nunavut)

Dear Sirs/Mesdames:

Re: Capstone Copper Corp. (the “Company”) – Prospectus Supplement dated February 5, 2024 (the “Prospectus Supplement”)

We refer to the Prospectus Supplement to the short form base shelf prospectus of the Company dated March 1, 2023 relating to the offering of common shares in the capital of the Company.

We consent to the reference to our name on the cover page of the Prospectus Supplement and under the headings “ Eligibility for Investment” and “Legal Matters and Experts” and to the inclusion and use of our opinion under the heading “ Eligibility for Investment ”.

We confirm that we have read the Prospectus Supplement and have no reason to believe that there are any misrepresentations in the information contained therein that are derived from our legal opinions referred to above or that are within our knowledge as a result of the services that we performed in connection with such opinion.

Yours truly,

(Signed) “Blake, Cassels & Graydon LLP”

Blake, Cassels & Graydon LLP

==> picture [391 x 17] intentionally omitted <==

==> picture [612 x 54] intentionally omitted <==

FILED BY SEDAR+

February 5, 2024

British Columbia Securities Commission Alberta Securities Commission Saskatchewan Financial and Consumer Affairs Authority The Manitoba Securities Commission Ontario Securities Commission Autorité des marché financiers Financial and Consumer Services Commission, New Brunswick Nova Scotia Securities Commission Office of the Superintendent of Securities, Government of Newfoundland and Labrador Office of the Superintendent of Securities, Prince Edward Island Office of the Superintendent of Securities Northwest Territories Office of the Yukon Superintendent of Securities Nunavut Securities Office

Dear Sirs/Mesdames:

RE: CAPSTONE COPPER CORP. (the “Corporation”) Prospectus Supplement dated February 5, 2024 (the “Supplement”)

We refer to the Supplement of the Corporation to the short form base shelf prospectus of the Corporation dated March 1, 2023 qualifying the distribution of common shares of the Corporation.

We, as counsel to the underwriters, hereby consent to the use of and reference to our opinion under the heading “ Eligibility for Investment ” in the Supplement and to the reference to our firm name on page iii of the Supplement and under the heading “ Legal Matters and Interests of Experts ”.

We confirm that we have read the Supplement and that we have no reason to believe that there are any misrepresentations in the information contained therein that is derived from our opinion referred to above or that is within our knowledge as a result of the services we performed in connection with such opinion.

Yours truly,

“Cassels Brock & Blackwell LLP”

==> picture [612 x 100] intentionally omitted <==

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

TO: British Columbia Securities Commission, as principal regulator Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Manitoba Securities Commission Ontario Securities Commission Autorité des Marchés Financiers Nova Scotia Securities Commission Financial and Consumer Services Commission (New Brunswick) Prince Edward Island Securities Office Securities Commission of Newfoundland and Labrador Office of the Superintendent of Securities (Northwest Territories) Office of the Yukon Superintendent of Securities Superintendent of Securities (Nunavut)

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

Reference is made to the Company’s prospectus supplement dated February 5, 2024 to a short form base shelf prospectus dated March 1, 2023 and all documents incorporated by reference therein (the “ Prospectus ”).

I, Joyce Maycock, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical report entitled “ Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report ” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Report that I am responsible for preparing, in the Prospectus.

The undersigned hereby confirms that I have read the Prospectus and have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are derived from those sections of the Technical Report that I am responsible for preparing or that are within my knowledge as a result of the services performed by me in connection with the Technical Report.

Yours truly,

(Signed) “ Joyce Maycock ”

Joyce Maycock, P. Eng.

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Dr. Antonio Luraschi, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical report entitled “ Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report ” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Report that I am responsible for preparing, in the Prospectus.

Yours truly,

(Signed) “ Dr. Antonio Luraschi ”

Dr. Antonio Luraschi, CMC

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Marcial Mendoza, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical report entitled “ Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report ” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Report that I am responsible for preparing, in the Prospectus.

Yours truly,

(Signed) “ Marcial Mendoza ”

Marcial Mendoza, CMC

SLR Consulting (Canada) Ltd.

55 University Ave., Suite 501, Toronto, ON M5J 2H7

==> picture [123 x 36] intentionally omitted <==

Consent of Qualified Person

___, 2024 February 5

VIA SEDAR+

British Columbia Securities Commission, as principal regulator TO : Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Manitoba Securities Commission Ontario Securities Commission Autorité des Marchés Financiers Nova Scotia Securities Commission Financial and Consumer Services Commission (New Brunswick) Prince Edward Island Securities Office Securities Commission of Newfoundland and Labrador Office of the Superintendent of Securities (Northwest Territories) Office of the Yukon Superintendent of Securities Superintendent of Securities (Nunavut)

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

Reference is made to the Company’s prospectus supplement dated __, 2024 to February 5 a short form base shelf prospectus dated March 1, 2023 and all documents incorporated by reference therein (the “ Prospectus ”).

I, David W. Rennie, P.Eng., hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects , in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical report entitled “ Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report ” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Report that I am responsible for preparing, in the Prospectus.

Yours truly,

(Signed) David W. Rennie

David W. Rennie, P.Eng.

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Roy Betinol, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical report entitled “ Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report ” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Report that I am responsible for preparing, in the Prospectus.

Yours truly,

(Signed) “ Roy Betinol ”

Roy Betinol, P. Eng.

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Carlos Guzmán, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical reports entitled “ Mantos Blancos Mine NI 43-101 Technical Report Antofagasta, Región de Antofagasta, Chile ” with an effective date of November 29, 2021 and a report date of January 5, 2022 , “ Mantoverde Mine and Mantoverde Development Project NI 43-101 Technical Report Chañaral / Región de Atacama, Chile ” with an effective date of November 29, 2021 and a report date of January 5, 2022 and “ Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report ” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Reports ”) and to references to the Technical Reports, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Reports that I am responsible for preparing, in the Prospectus.

The undersigned hereby confirms that I have read the Prospectus and have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are derived from those sections of the Technical Reports that I am responsible for preparing or that are within my knowledge as a result of the services performed by me in connection with the Technical Reports.

Yours truly,

(Signed) “ Carlos Guzmán ”

Carlos Guzmán, CMC, FAusIMM

CONSENT OF QUALIFIED PERSON

February 5__, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

Reference is made to the Company’s prospectus supplement dated __, 2024 to a February 5 short form base shelf prospectus dated March 1, 2023 and all documents incorporated by reference therein (the “ Prospectus ”).

The undersigned, an authorized signatory of Aminpro Mineral Processing Ltd. (the “ Firm ”) and a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects , hereby consents to the use of the Firm’s name in the Prospectus, including the documents incorporated by reference therein, in connection with references to the Firm’s involvement in the preparation of a technical report entitled “Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report” with an effective date of February 19, 2020 and a report date of March 24, 2020 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from the Technical Report in the Prospectus.

The undersigned hereby confirms that the Firm has read the Prospectus and it has no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are derived from those sections of the Technical Report that the firm was responsible for preparing or that are within its knowledge as a result of the services performed by the Firm in connection with the Technical Report.

Aminpro Mineral Processing Ltd.

(Signed) “ Peter Amelunxen ”

Peter Amelunxen, P. Eng.

==> picture [75 x 36] intentionally omitted <==

Tony J Freiman, PE WSP USA, Inc. 4600 East Washington Street Suite 600 Phoenix, Arizona 85034

CONSENT OF QUALIFIED PERSON

I, Tony J. Freiman state that I am responsible for preparing or supervising the preparation of part(s) of the technical report titled NI 43-1010 Technical Report on the Pinto Valley Mine, Arizona, USA with an effective date of March 31, 2021, as signed, and certified by me (the “Technical Report”).

Furthermore, I state that:

(a) The document the Technical Report supports is the Prospectus Supplement dated February 5, 2024 to the Short Form Base Shelf Prospectus of Capstone Copper Corp. (the “Company”) dated March 1, 2023, including the documents incorporated by reference therein (collectively the “Document”);
(b) I consent to being named in the Document as a qualified person, as defined by National Instrument 43101 – Standards of Disclosure for Mineral Projects, to the use of my name in the Document in connection with any references, quotation from or summarization in the Document of the parts of the Technical Report for which I am responsible, and to the incorporation by reference of the Technical Report into the Document; and
(c) I confirm that I have read the Document, and have no reason to believe that there are any misrepresentations in the information contained in the Document that are derived from those sections of the Technical Report that I am responsible for preparing or that are within my knowledge as a result of services performed by me in connection with the Technical Report.

I, Gustavo Tapia, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical reports entitled “ Mantoverde Mine and Mantoverde Development Project NI 43-101 Technical Report Chañaral / Región de Atacama, Chile ” with an effective date of November 29, 2021 and a report date of January 5, 2022 and “ Mantos Blancos Mine NI 43-101 Technical Report Antofagasta / Región de Antofagasta, Chile ” with an effective date of November 29, 2021 and a report date of January 5, 2022 (the “ Technical Reports ”) and to references to the Technical Reports, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Reports that I am responsible for preparing, in the Prospectus.

The undersigned hereby confirms that I have read the Prospectus and have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are derived from those sections of the Technical Reports that I am responsible for preparing or that are within my knowledge as a result of the services performed by me in connection with the Technical Reports.

Yours truly,

(Signed) “ Gustavo Tapia ”

Gustavo Tapia, RM CMC

==> picture [75 x 36] intentionally omitted <==

Ronald Turner, MAusIMM (CP) WSP Magdalena 181, 3rd Floor, Santiago, Chile

CONSENT OF QUALIFIED PERSON

I, Ronald Turner state that I am responsible for preparing or supervising the preparation of part(s) of the technical report titled “Mantos Blancos Mine NI 43-101 Technical Report, Antofogasta / Región de Antofagasta, Chile” with an effective date of November 29[th] , 2021, as signed, and certified by me (the “Technical Report”).

Furthermore, I state that:

(a) The document the Technical Report supports is the Prospectus Supplement dated February 5, 2024 to the Short Form Base Shelf Prospectus of Capstone Copper Corp. (the “Company”) dated March 1, 2023, including the documents incorporated by reference therein (collectively the “Document”);
(b) I consent to being named in the Document as a qualified person, as defined by National Instrument 43101 – Standards of Disclosure for Mineral Projects, to the use of my name in the Document in connection with any references, quotation from or summarization in the Document of the parts of the Technical Report for which I am responsible, and to the incorporation by reference of the Technical Report into the Document; and
(c) I confirm that I have read the Document, and have no reason to believe that there are any misrepresentations in the information contained in the Document that are derived from those sections of the Technical Report that I am responsible for preparing or that are within my knowledge as a result of services performed by me in connection with the Technical Report.

Dated at Santiago, Chile this 5[th] day of February. 2024.

(signed) " Ronald Turner "

Ronald Turner MAusIMM (CP)

==> picture [75 x 36] intentionally omitted <==

Ronald Turner, MAusIMM (CP) WSP Magdalena 181, 3rd Floor, Santiago, Chile

CONSENT OF QUALIFIED PERSON

I, Ronald Turner state that I am responsible for preparing or supervising the preparation of part(s) of the technical report titled “Mantoverde Mine and Mantoverde Development Project NI 43-101 Technical Report Chañaral / Región de Atacama, Chile” with an effective date of November 29[th] 2021, as signed, and certified by me (the “Technical Report”).

Furthermore, I state that:

(a) The document the Technical Report supports is the Prospectus Supplement dated February 5, 2024 to the Short Form Base Shelf Prospectus of Capstone Copper Corp. (the “Company”) dated March 1, 2023, including the documents incorporated by reference therein (collectively the “Document”);
(b) I consent to being named in the Document as a qualified person, as defined by National Instrument 43101 – Standards of Disclosure for Mineral Projects, to the use of my name in the Document in connection with any references, quotation from or summarization in the Document of the parts of the Technical Report for which I am responsible, and to the incorporation by reference of the Technical Report into the Document; and
(c) I confirm that I have read the Document, and have no reason to believe that there are any misrepresentations in the information contained in the Document that are derived from those sections of the Technical Report that I am responsible for preparing or that are within my knowledge as a result of services performed by me in connection with the Technical Report.

Dated at Santiago, Chile this 5[th] day of February, 2024.

(signed) " Ronald Turner "

Ronald Turner MAusIMM (CP)

V1. 2021

Capstone Copper Corp_Supp Prospectus to Base Shelf_QP Consent_Signed_MV

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Cashel Meagher, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with the references to my involvement in the review and approval of the scientific and technical disclosure contained in the Management’s Discussion and Analysis of the Company for the year ended December 31, 2022 and Management’s Discussion and Analysis of the Company for the three and nine months ended September 30, 2023 (the “ Disclosure ”) and to references to the Disclosure, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Disclosure that I am responsible for preparing, in the Prospectus.

The undersigned hereby confirms that I have read the Prospectus and have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are derived from those sections of the Disclosure that I am responsible for preparing or that are within my knowledge as a result of the services performed by me in connection with the Disclosure.

[Signature Page Follows.]

Yours truly,

(Signed) “ Cashel Meagher ”

Cashel Meagher, P. Geo.

==> picture [75 x 37] intentionally omitted <==

WSP USA Environment and Infrastructure Inc. 4600 East Washington Street, Suite 600 Phoenix, AZ 85034

CONSENT

WSP USA Environment and Infrastructure Inc. (“WSP”) states that it is responsible for preparing or supervising the preparation of part(s) of the technical report titled “Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report” dated March 2020 February 19, 2020, with an effective date of February 19, 2020 (the “Technical Report”).

Furthermore, WSP states that:

(a) The document the Technical Report supports is the Prospectus Supplement dated February 5 , 2024 to the Short Form Base Shelf Prospectus of Capstone Copper Corp. (the “Company”), dated March 1, 2023, including the documents incorporated by reference therein (collectively the “Document”);
(b) WSP consents to being named in the Document as a company whose principal business is providing engineering or geoscientific services, and whose business gives authority to a statement made by the company, as required by National Instrument 44-102 Shelf Distributions, to the use of WSP’s name in the Document in connection with any references, quotation from or summarization in the Document of the parts of the Technical Report for which WSP is responsible, and to the incorporation by reference of the Technical Report into the Document; and
(c) WSP confirms that it has read the Document and has no reason to believe that there are any misrepresentations in the information contained in the Document that are derived from those sections of the Technical Report that it is responsible for preparing or that are within its knowledge as a result of services performed by WSP in connection with the Technical Report.

Dated at Denver, Colorado this 5[th] day of February, 2024

(signed) " Daniel Servigna "

WSP USA Environment and Infrastructure Inc.

Daniel Servigna, PE. Vice President, Mine Waste

[Print Name and Title of Authorized Signatory]

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Clay Craig, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with: (i) references to my involvement in the preparation of the technical reports entitled “ NI 43-101 Technical Report on the Pinto Valley Mine, Arizona, USA ” with an effective date of March 31, 2021 and a report date of June 11, 2021 and “ NI 43-101 Technical Report on the Cozamin Mine, Zacatecas, Mexico ” with an effective date of January 1, 2023 and a report date of May 2, 2023; and (ii) the review and approval of the scientific and technical disclosure contained in the Management’s Discussion and Analysis of the Company for the year ended December 31, 2022 and Management’s Discussion and Analysis of the Company for the three and nine months ended September 30, 2023 (the “ Disclosure ”) and to references to the Disclosure, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Disclosure that I am responsible for preparing, in the Prospectus.

The undersigned hereby confirms that I have read the Prospectus and have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are derived from those sections of the Disclosure that I am responsible for preparing or that are within my knowledge as a result of the services performed by me in connection with the Disclosure.

[ Signature Page Follows. ]

Yours truly,

(Signed) “ Clay Craig ”

Clay Craig, P.Eng.

CONSENT OF QUALIFIED PERSON

February 5, 2024

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

I, Colleen Roche, hereby consent to being named as a qualified person, as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects, in the Prospectus, including the documents incorporated by reference therein, and to the use of my name in connection with references to my involvement in the preparation of the technical report entitled “ NI 43-101 Technical Report on the Pinto Valley Mine, Arizona, USA ” with an effective date of March 31, 2021 and a report date of June 11, 2021 (the “ Technical Report ”) and to references to the Technical Report, or portions thereof, in the Prospectus and to the inclusion of information derived from those sections of the Technical Report that I am responsible for preparing, in the Prospectus.

Yours truly,

(Signed) “ Colleen Roche ”

Colleen Roche, P. Eng.

Non-Issuer Form of Submission to Jurisdiction and Appointment of Agent for Service of Process

Name of issuer (the “Issuer”):

Jurisdiction of incorporation, or equivalent, of Issuer: British Columbia
Address of principal place of business of Issuer: 2100 – 510 West Georgia Street, Vancouver, British Columbia V6B 0M3
Description of securities (the “Securities”): Common shares___________
Date of the prospectus (the “Prospectus”) under which the Securities are offered: February 5, 2024
Name of person filing this form (the “Filing Person”): Patricia Palacios
Filing Person’s relationship to Issuer: Director
Jurisdiction of incorporation, or equivalent, of Filing Person, if applicable, or jurisdiction of residence of Filing Person: Concepcion, Biobio, Chile
Address of principal place of business of Filing Person: 2100 – 510 West Georgia Street, Vancouver, British Columbia V6B 0M3
Name of agent for service of process (the “Agent”): Blakes Vancouver Services Inc.
Address for service of process of Agent in Canada (the address may be anywhere in Canada): Suite 3500, The Stack, 1133 Melville Street, Vancouver, BC V6E 4E5, Canada
The Filing Person designates and appoints the Agent at the address of the Agent stated above as its agent upon whom may be served any notice, pleading, subpoena, summons or other process in any action, investigation or administrative, criminal, quasi-criminal, penal or other proceeding (the “Proceeding”) arising out of, relating to or concerning the distribution of the Securities made or purported to be made under the Prospectus, and irrevocably waives any right to raise as a defence in any such Proceeding any alleged lack of jurisdiction to bring the Proceeding.
The Filing Person irrevocably and unconditionally submits to the non-exclusive jurisdiction of
2 -
(a) the judicial, quasi-judicial and administrative tribunals of each of the provinces and territories of Canada in which the securities are distributed under the Prospectus; and
(b) any administrative proceeding in any such province or territory, in any Proceeding arising out of or related to or concerning the distribution of the Securities made or purported to be made under the Prospectus.
Until six years after completion of the distribution of the Securities made under the Prospectus, the Filing Person shall file a new submission to jurisdiction and appointment of agent for service of process in this form at least 30 days before termination of this submission to jurisdiction and appointment of agent for service of process.
Until six years after completion of the distribution of the Securities under the Prospectus, the Filing Person shall file an amended submission to jurisdiction and appointment of agent for service of process at least 30 days before a change in the name or above address of the Agent.
This submission to jurisdiction and appointment of agent for service of process shall be governed by and construed in accordance with the laws o f British Columbia.

Dated: February 5, 2024

(Signed) "Patricia Palacios" Signature of Filing Person

Patricia Palacios

Print name of person signing and, if the Filing Person is not an individual, the title of the person

AGENT

The undersigned accepts the appointment as agent for service of process of Patricia Palacios under the terms and conditions of the appointment of agent for service of process stated above.

Dated: February 5, 2024

BLAKES VANCOUVER SERVICES INC., C/O BLAKE, CASSELS & GRAYDON LLP

Per: (Signed) "Jeffrey Merrick" Signature of Agent

Name: Jeffrey Merrick

Title: Office Managing Partner Agent: Blakes Vancouver Services Inc.

Appendix C to National Instrument 41-101 General Prospectus Requirements

Non-Issuer Form of Submission to Jurisdiction and Appointment of Agent for Service of Process

Name of issuer (the “Issuer”): Capstone Copper Corp.
Jurisdiction of incorporation, or equivalent, of Issuer: British Columbia
Address of principal place of business of Issuer: 2100 – 510 West Georgia Street, Vancouver, British Columbia V6B 0M3
Description of securities (the “Securities”): Common Shares
Date of the prospectus (the “Prospectus”) under which the Securities are offered: February 5, 2024
Name of person filing this form (the “Filing Person”): Orion Fund JV Limited
Filing Person’s relationship to Issuer: Selling Shareholder
Jurisdiction of incorporation, or equivalent, of Filing Person, if applicable, or jurisdiction of residence of Filing Person: Bermuda
Address of principal place of business of Filing Person: Cumberland House, 1 Victoria Street, 7th Floor, Hamilton, HM 11, Bermuda
Name of agent for service of process (the “Agent”): Torys LLP
Address for service of process of Agent in Canada (the address may be anywhere in Canada): Suite 3000, 79 Wellington Street West, Box 270, TD Centre, Toronto, Ontario M5K 1N2
The Filing Person designates and appoints the Agent at the address of the Agent stated above as its agent upon whom may be served any notice, pleading, subpoena, summons or other process in any action, investigation or administrative, criminal, quasi-criminal, penal or other proceeding (the “Proceeding”) arising out of, relating to or concerning the distribution of the Securities made or purported to be made under the Prospectus, and irrevocably waives any right to raise as a defence in any such Proceeding any alleged lack of jurisdiction to bring the Proceeding.
The Filing Person irrevocably and unconditionally submits to the non-exclusive jurisdiction of
(a) the judicial, quasi-judicial and administrative tribunals of each of the provinces and territories of Canada in which the Securities are distributed under the Prospectus; and
(b) any administrative proceeding in any such province or territory,

in any Proceeding arising out of or related to or concerning the distribution of the Securities made or purported to be made under the Prospectus.

Until six years after completion of the distribution of the Securities made under the Prospectus, the Filing Person shall file a new submission to jurisdiction and appointment of agent for service of process in this form at least 30 days before termination of this submission to jurisdiction and appointment of agent for service of process.
Until six years after completion of the distribution of the Securities under the Prospectus, the Filing Person shall file an amended submission to jurisdiction and appointment of agent for service of process at least 30 days before a change in the name or above address of the Agent.
This submission to jurisdiction and appointment of agent for service of process shall be governed by and construed in accordance with the laws of Ontario.

[Signature page follows.]

Dated: February 5, 2024

ORION FUND JV LIMITED

By: (signed) “Oskar Lewnowski” Name: Oskar Lewnowski Title: Director

AGENT

The undersigned accepts the appointment as agent for service of process of Orion Fund JV Limited under the terms and conditions of the appointment of agent for service of process stated above.

Dated: February 5, 2024

TORYS LLP

By: (signed) “Braden Jebson” Name: Braden Jebson Title: Partner

Appendix C to National Instrument 41-101 General Prospectus Requirements

Non-Issuer Form of Submission to Jurisdiction and Appointment of Agent for Service of Process

Name of issuer (the “Issuer”): Capstone Copper Corp.
Jurisdiction of incorporation, or equivalent, of Issuer: British Columbia
Address of principal place of business of Issuer: 2100 – 510 West Georgia Street, Vancouver, British Columbia V6B 0M3
Description of securities (the “Securities”): Common Shares
Date of the prospectus (the “Prospectus”) under which the Securities are offered: February 5, 2024
Name of person filing this form (the “Filing Person”): Orion Mine Finance Fund II LP
Filing Person’s relationship to Issuer: Selling Shareholder
Jurisdiction of incorporation, or equivalent, of Filing Person, if applicable, or jurisdiction of residence of Filing Person: Bermuda
Address of principal place of business of Filing Person: Cumberland House, 1 Victoria Street, 7th Floor, Hamilton, HM 11, Bermuda
Name of agent for service of process (the “Agent”): Torys LLP
Address for service of process of Agent in Canada (the address may be anywhere in Canada): Suite 3000, 79 Wellington Street West, Box 270, TD Centre, Toronto, Ontario M5K 1N2
The Filing Person designates and appoints the Agent at the address of the Agent stated above as its agent upon whom may be served any notice, pleading, subpoena, summons or other process in any action, investigation or administrative, criminal, quasi-criminal, penal or other proceeding (the “Proceeding”) arising out of, relating to or concerning the distribution of the Securities made or purported to be made under the Prospectus, and irrevocably waives any right to raise as a defence in any such Proceeding any alleged lack of jurisdiction to bring the Proceeding.
The Filing Person irrevocably and unconditionally submits to the non-exclusive jurisdiction of
(a) the judicial, quasi-judicial and administrative tribunals of each of the provinces and territories of Canada in which the Securities are distributed under the Prospectus; and
(b) any administrative proceeding in any such province or territory,

in any Proceeding arising out of or related to or concerning the distribution of the Securities made or purported to be made under the Prospectus.

Until six years after completion of the distribution of the Securities made under the Prospectus, the Filing Person shall file a new submission to jurisdiction and appointment of agent for service of process in this form at least 30 days before termination of this submission to jurisdiction and appointment of agent for service of process.
Until six years after completion of the distribution of the Securities under the Prospectus, the Filing Person shall file an amended submission to jurisdiction and appointment of agent for service of process at least 30 days before a change in the name or above address of the Agent.
This submission to jurisdiction and appointment of agent for service of process shall be governed by and construed in accordance with the laws of Ontario.

[Signature page follows.]

Dated: February 5, 2024

ORION MINE FINANCE FUND II LP by its general partner , ORION MINE FINANCE GP II LP by its general partner , ORION MINE FINANCE GP II LIMITED

By: (signed) “Oskar Lewnowski” Name: Oskar Lewnowski Title: Director

AGENT

The undersigned accepts the appointment as agent for service of process of Orion Mine Finance Fund II LP under the terms and conditions of the appointment of agent for service of process stated above.

Dated: February 5, 2024

TORYS LLP

By: (signed) “Braden Jebson” Name: Braden Jebson Title: Partner

Appendix C to National Instrument 41-101 General Prospectus Requirements

Non-Issuer Form of Submission to Jurisdiction and Appointment of Agent for Service of Process

Name of issuer (the “Issuer”): Capstone Copper Corp.
Jurisdiction of incorporation, or equivalent, of Issuer: British Columbia
Address of principal place of business of Issuer: 2100 – 510 West Georgia Street, Vancouver, British Columbia V6B 0M3
Description of securities (the “Securities”): Common Shares
Date of the prospectus (the “Prospectus”) under which the Securities are offered: February 5, 2024
Name of person filing this form (the “Filing Person”): Orion Mine Finance (Master) Fund I-A LP
Filing Person’s relationship to Issuer: Selling Shareholder
Jurisdiction of incorporation, or equivalent, of Filing Person, if applicable, or jurisdiction of residence of Filing Person: Bermuda
Address of principal place of business of Filing Person: Cumberland House, 1 Victoria Street, 7th Floor, Hamilton, HM 11, Bermuda
Name of agent for service of process (the “Agent”): Torys LLP
Address for service of process of Agent in Canada (the address may be anywhere in Canada): Suite 3000, 79 Wellington Street West, Box 270, TD Centre, Toronto, Ontario M5K 1N2
The Filing Person designates and appoints the Agent at the address of the Agent stated above as its agent upon whom may be served any notice, pleading, subpoena, summons or other process in any action, investigation or administrative, criminal, quasi-criminal, penal or other proceeding (the “Proceeding”) arising out of, relating to or concerning the distribution of the Securities made or purported to be made under the Prospectus, and irrevocably waives any right to raise as a defence in any such Proceeding any alleged lack of jurisdiction to bring the Proceeding.
The Filing Person irrevocably and unconditionally submits to the non-exclusive jurisdiction of
(a) the judicial, quasi-judicial and administrative tribunals of each of the provinces and territories of Canada in which the Securities are distributed under the Prospectus; and
(b) any administrative proceeding in any such province or territory,

in any Proceeding arising out of or related to or concerning the distribution of the Securities made or purported to be made under the Prospectus.

Until six years after completion of the distribution of the Securities made under the Prospectus, the Filing Person shall file a new submission to jurisdiction and appointment of agent for service of process in this form at least 30 days before termination of this submission to jurisdiction and appointment of agent for service of process.
Until six years after completion of the distribution of the Securities under the Prospectus, the Filing Person shall file an amended submission to jurisdiction and appointment of agent for service of process at least 30 days before a change in the name or above address of the Agent.
This submission to jurisdiction and appointment of agent for service of process shall be governed by and construed in accordance with the laws of Ontario.

[Signature page follows.]

Dated: February 5, 2024

ORION MINE FINANCE (MASTER) FUND I-A LP by its general partner, ORION MINE FINANCE GP I-A LIMITED

By: (signed) “Oskar Lewnowski” Name: Oskar Lewnowski Title: Director

AGENT

The undersigned accepts the appointment as agent for service of process of Orion Mine Finance (Master) Fund I-A LP under the terms and conditions of the appointment of agent for service of process stated above.

Dated: February 5, 2024

TORYS LLP

By: (signed) “Braden Jebson” Name: Braden Jebson Title: Partner

AI assistant

Capstone Copper Corp. — Capital/Financing Update 2024

48344_rns_2024-02-06_b22288f1-4447-4a03-83a2-193ef9281735.pdf

COVER LETTER

VIA SEDAR+

Re: Capstone Copper Corp. (the “Company”) – Prospectus Supplement dated February 5, 2024 (the “Prospectus Supplement”)

FILED BY SEDAR+

RE: CAPSTONE COPPER CORP. (the “Corporation”) Prospectus Supplement dated February 5, 2024 (the “Supplement”)

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

(Signed) “ Marcial Mendoza ”

Consent of Qualified Person

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

RE: Capstone Copper Corp. (the “Company”) – Prospectus Supplement

Aminpro Mineral Processing Ltd.

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

(Signed) “ Michael Gingles ”

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Tony J Freiman, PE WSP USA, Inc. 4600 East Washington Street Suite 600 Phoenix, Arizona 85034

CONSENT OF QUALIFIED PERSON

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

Ronald Turner, MAusIMM (CP) WSP Magdalena 181, 3rd Floor, Santiago, Chile

CONSENT OF QUALIFIED PERSON

Ronald Turner MAusIMM (CP)

Ronald Turner, MAusIMM (CP) WSP Magdalena 181, 3rd Floor, Santiago, Chile

CONSENT OF QUALIFIED PERSON

Ronald Turner MAusIMM (CP)

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

[Signature Page Follows.]

WSP USA Environment and Infrastructure Inc. 4600 East Washington Street, Suite 600 Phoenix, AZ 85034

CONSENT

CONSENT OF QUALIFIED PERSON

VIA SEDAR+

Dear Sirs/Mesdames:

[ Signature Page Follows. ]

CONSENT OF QUALIFIED PERSON

Capstone Copper Corp. Capital/Financing Update 2024