HBM / Hudbay Minerals Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

Hudbay Minerals Inc.
US ˙ NYSE ˙ CA4436281022

Basisstatistiken
LEI 549300WI524AL577IX21
CIK 1322422
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Hudbay Minerals Inc.
SEC Filings (Chronological Order)
Auf dieser Seite finden Sie eine vollständige, chronologische Liste der SEC-Einreichungen, mit Ausnahme der Eigentumseinreichungen, die wir an anderer Stelle bereitstellen.
May 28, 2026 EX-99.1

Hudbay Minerals Inc. Receives Approval for Normal Course Issuer Bid

TSX, NYSE - HBM 2026 No. 13 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Minerals Inc. Receives Approval for Normal Course Issuer Bid Toronto, Ontario, May 28, 2026 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) announced today that the Toronto Stock Exchange (the "TSX") has approved its notice of in

May 28, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 20, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 20, 2026 EX-99.1

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102)

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102) The following describes the matters voted upon and the outcome of the votes at the Annual and Special Meeting of Shareholders (the "Meeting") of Hudbay Minerals Inc. (the "Corporation") held on May 19, 2026. All matters voted upon at the Meeting were voted upon by proxy and electronic ballot. Each of the mat

May 18, 2026 F-X

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING A. Name of issuer or person filing ("Filer"): HUDBAY MINERALS INC. B. (1) This is [check one]: ☒ an original filing for the Filer. ☐ an amended filing for the Filer. (2) Check the following box if you are filing the Form F-X in paper in accordance with Regula

May 15, 2026 EX-5.3

CONSENT OF MARC-ANDRE BRULOTTE, P.GEO.

CONSENT OF MARC-ANDRE BRULOTTE, P.GEO. In connection with the Registration Statement on Form F-10 of Hudbay Minerals Inc. ("Hudbay") being filed with the United States Securities and Exchange Commission (the "Form F-10), I, Marc-Andre Brulotte, P.Geo., hereby consent to the use of my name in connection with the references to and summaries of scientific and technical information relating to Hudbay'

May 15, 2026 EX-7.1

HUDBAY MINERALS INC. as Issuer, as U.S. Trustee as Canadian Trustee Dated as of

Exhibit 7.1 HUDBAY MINERALS INC. as Issuer, [•] as U.S. Trustee and [•] as Canadian Trustee Indenture Dated as of [•] 1 TABLE OF CONTENTS ARTICLE ONE DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 7 SECTION 1.01 Definitions 7 SECTION 1.02 Compliance Certificates and Opinions. 16 SECTION 1.03 Form of Documents Delivered to Trustees. 16 SECTION 1.04 Acts of Holders. 17 SECTION 1.05 Notices,

May 15, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables F-10 Hudbay Minerals Inc. Table 1: Newly Registered Securities ☐Not Applicable Security Type Security Class Title Fee Calculation Rule or Instruction Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Shares (no par value) 457(o) Debt Debt Securities 457(o) Other Subscription

May 15, 2026 F-10

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-10 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 HUDBAY MINERALS INC. (Exact name of Registrant as specified in its charter)

Registration No. 333-   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-10 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HUDBAY MINERALS INC. (Exact name of Registrant as specified in its charter) Canada (Province or other jurisdiction of incorporation or organization) 1000 (Primary Standard Industrial Classification Code Number) 98-0485558 (I.R.S. Employer

May 1, 2026 EX-99.3

Hudbay Announces First Quarter 2026 Results and Delivers Record Quarterly Revenue and Adjusted EBITDA

TSX, NYSE - HBM 2026 No. 10 News Release Hudbay Announces First Quarter 2026 Results and Delivers Record Quarterly Revenue and Adjusted EBITDA Toronto, Ontario, May 1, 2026 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) released its first quarter 2026 financial results today. All amounts are in U.S. dollars, unless otherwise noted. "Hudbay delivered another quarter of record r

May 1, 2026 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three months ended March 31, 2026

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three months ended March 31, 2026 April 30, 2026 TABLE OF CONTENTS Page Introduction 1 Hudbay's Business 1 Hudbay's Purpose 2 Summary 2 Key Financial Results 6 Key Production Results 7 Key Costs Results 7 Recent Developments 8 Peru Operations Review 12 Manitoba Operations Review 17 British Columbia Operat

May 1, 2026 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

May 1, 2026 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

May 1, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 1, 2026 EX-99.1

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

April 14, 2026 EX-99.4

EXHIBIT 99.4

April 14, 2026 EX-99.3

NOTICE AND ACCESS NOTICE Important Notice Regarding the Availability of Proxy Materials for the Meeting of Shareholders to be held on May 19, 2026

NOTICE AND ACCESS NOTICE Important Notice Regarding the Availability of Proxy Materials for the Meeting of Shareholders to be held on May 19, 2026 Notice and Access This year, Hudbay Minerals Inc.

April 14, 2026 EX-99.1

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual and special meeting of shareholders (the "Meeting") of Hudbay Minerals Inc. ("Hudbay") will be held by way of a virtual meeting, accessible at https://meetings.lumiconnect.com/400-690-725-785, on Tuesday, May 19, 2026 at 2:00 p.m. (Eastern Time), for the following purposes: 1. to receive

April 14, 2026 EX-99.2

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual and special meeting of shareholders (the "Meeting") of Hudbay Minerals Inc. ("Hudbay") will be held by way of a virtual meeting, accessible at https://meetings.lumiconnect.com/400-690-725-785, on Tuesday, May 19, 2026 at 2:00 p.m. (Eastern Time), for the following purposes: 1. to receive

April 14, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2026 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

March 27, 2026 EX-99.2

85

Consolidated Financial Statements (In US dollars) HUDBAY MINERALS INC. For the years ended December 31, 2025 and 2024 MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING Management of Hudbay Minerals Inc. ("Hudbay" or the "Company") is responsible for establishing and maintaining internal control over financial reporting ("ICFR"). Under the supervision of and with the participation of

March 27, 2026 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F [Check one] ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 Commission File Number 001-34244 HUDBAY MINERALS INC. (Exact name of Registrant as

March 27, 2026 EX-99.10

CONSENT OF EXPERT

Exhibit 99.10 CONSENT OF EXPERT In connection with the Annual Report on Form 40-F of Hudbay Minerals Inc. ("Hudbay") for the year ended December 31, 2025, and any amendments thereto (the "Form 40-F"), I, Marc-Andre Brulotte, P.Geo., hereby consent to the use of my name in connection with the references to and summaries of scientific and technical information relating to Hudbay's Copper Mountain mi

March 27, 2026 EX-99.3

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

March 27, 2026 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Hudbay Minerals Inc. (the "Registrant") on Form 40-F for the period ended December 31, 2025, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Peter Kukielski, President and Chief Executive Offi

March 27, 2026 EX-99.6

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 99.6 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Eugene Lei, certify that: 1) I have reviewed this annual report on Form 40-F of Hudbay Minerals Inc.; 2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of

March 27, 2026 EX-99.4

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT COPPER WORLD LLC Dated as of January 9, 2026

EXECUTION VERSION AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF COPPER WORLD LLC Dated as of January 9, 2026 THE UNITS OF THE MEMBERS ISSUED UNDER THIS AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933 OR THE SECURITIES LAWS OF ANY STATE OR ANY OTHER JURISDICTION.

March 27, 2026 EX-99.8

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.8 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Hudbay Minerals Inc. (the "Registrant") on Form 40-F for the period ended December 31, 2025, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Eugene Lei, Chief Financial Officer of the Registra

March 27, 2026 EX-99.5

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 99.5 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Peter Kukielski, certify that: 1) I have reviewed this annual report on Form 40-F of Hudbay Minerals Inc.; 2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in ligh

March 27, 2026 EX-99.2

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

March 27, 2026 EX-99.1

"We care about our people, our communities and our planet. Hudbay provides the metals the world needs. We work sustainably, transform lives and create better futures for communities."

TABLE OF CONTENTS CAUTION REGARDING FORWARD-LOOKING INFORMATION 1 NOTE TO UNITED STATES INVESTORS 3 OTHER IMPORTANT INFORMATION 4 CURRENCY AND EXCHANGE RATES 4 NON-GAAP FINANCIAL PERFORMANCE MEASURES 5 CORPORATE STRUCTURE 5 INCORPORATION AND REGISTERED OFFICE 5 INTERCORPORATE RELATIONSHIPS 6 DEVELOPMENT OF OUR BUSINESS 7 BUSINESS, PURPOSE & STRATEGY 7 THREE YEAR HISTORY 9 DESCRIPTION OF OUR BUSINE

March 27, 2026 EX-99.3

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2025

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2025 February 19, 2026 TABLE OF CONTENTS Page Introduction 1 Hudbay's Business 1 Hudbay's Purpose 2 Hudbay's Strategy 2 Summary 4 Key Financial Results 9 Key Production Results 10 Key Costs Results 10 Recent Developments 11 Climate Change Initiatives 15 Peru Operations Review 16 Ma

March 27, 2026 EX-99.4

Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act

Exhibit 99.4 Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act Hudbay Minerals Inc. ("Hudbay") is committed to the health and safety of its employees and to providing an incident free workplace. Certain of Hudbay's U.S. mining operations are subject to Federal Mine Safety and Health Administration (the "MSHA") regulation under the U.S. Federal

March 27, 2026 EX-97.1

HUDBAY MINERALS INC. INCENTIVE-BASED COMPENSATION CLAWBACK POLICY

Exhibit 97.1 HUDBAY MINERALS INC. INCENTIVE-BASED COMPENSATION CLAWBACK POLICY 1. Purpose This incentive-based compensation clawback policy (the "Policy") has been adopted by the Board of Directors (the "Board") of Hudbay Minerals Inc. (the "Company") in order to allow the Board to require, in specific situations, the reimbursement of short-term or long-term incentive compensation received by an E

March 27, 2026 EX-99.11

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 99.11 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-170295, 333-197080 and 333-212750 on Form S-8 and Registration Statement No. 333-278311 on Form F-10 and to the use of our reports dated February 19, 2026 relating to the financial statements of Hudbay Minerals Inc. (the “Company”) and the effective

March 27, 2026 EX-99.1

Hudbay Provides Annual Reserve and Resource Update with Mine Life Extensions and Improved Three-Year Production Outlook

TSX, NYSE - HBM 2026 No. 7 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Provides Annual Reserve and Resource Update with Mine Life Extensions and Improved Three-Year Production Outlook Toronto, Ontario, March 27, 2026 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) today released its annual mineral re

March 27, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

March 27, 2026 EX-99.9

CONSENT OF EXPERT

Exhibit 99.9 CONSENT OF EXPERT In connection with the Annual Report on Form 40-F of Hudbay Minerals Inc. ("Hudbay") for the year ended December 31, 2025, and any amendments thereto (the "Form 40-F"), I, Olivier Tavchandjian, P.Geo., hereby consent to the use of my name in connection with the references to and summaries of scientific and technical information relating to Hudbay's mineral properties

March 9, 2026 EX-99.1

FORM 51-102F3 MATERIAL CHANGE REPORT NATIONAL INSTRUMENT 51-102

FORM 51-102F3 MATERIAL CHANGE REPORT NATIONAL INSTRUMENT 51-102 ITEM 1 Name and Address of Company Hudbay Minerals Inc.

March 9, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

March 9, 2026 EX-99.3

[The remainder of this page is intentionally left blank; signature page follows.]

March 1, 2026 TO: HUDBAY MINERALS INC. (THE "ACQUIROR") Re: Support and Voting Agreement BACKGROUND The undersigned understands that Arizona Sonoran Copper Company Inc. (the "Company") and the Acquiror wish to enter into an arrangement agreement on the date hereof (the "Arrangement Agreement") contemplating the acquisition by the Acquiror of all of the issued and outstanding common shares of the C

March 9, 2026 EX-99.2

HUDBAY MINERALS INC. ARIZONA SONORAN COPPER COMPANY INC.

Execution Copy HUDBAY MINERALS INC. and ARIZONA SONORAN COPPER COMPANY INC. ARRANGEMENT AGREEMENT MARCH 1, 2026 TABLE OF CONTENTS Page ARTICLE 1 INTERPRETATION 2 1.1 Definitions 2 1.2 Interpretation Not Affected by Headings 19 1.3 Number and Gender 19 1.4 Calculation of Time 19 1.5 Date for Any Action 19 1.6 Currency 19 1.7 Accounting Matters 19 1.8 Statutes 20 1.9 Knowledge 20 1.10 Schedules 20 A

March 5, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

March 5, 2026 EX-99.1

Form 62-103F1 REQUIRED DISCLOSURE UNDER THE EARLY WARNING REQUIREMENTS

Form 62-103F1 REQUIRED DISCLOSURE UNDER THE EARLY WARNING REQUIREMENTS Item 1 - Security and Reporting Issuer 1.

March 2, 2026 EX-99.1

Hudbay to Acquire Arizona Sonoran Creating the Third Largest Copper District in North America

Hudbay to Acquire Arizona Sonoran Creating the Third Largest Copper District in North America Establishes a major copper hub in southern Arizona with the addition of the Cactus project to Hudbay's existing Arizona business, including the Copper World project Strategically positions Hudbay to become a leading supplier of domestic U.

March 2, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

February 23, 2026 EX-99.3

Hudbay Delivers Record Fourth Quarter and Full Year 2025 Results; Achieves 2025 Consolidated Copper and Gold Production and Cost Guidance

TSX, NYSE - HBM 2026 No. 4 News Release Hudbay Delivers Record Fourth Quarter and Full Year 2025 Results; Achieves 2025 Consolidated Copper and Gold Production and Cost Guidance Toronto, Ontario, February 20, 2026 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) today released its fourth quarter and full year 2025 financial results and announced 2026 annual production and cost g

February 23, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

February 23, 2026 EX-99.1

1

Consolidated Financial Statements (In US dollars) HUDBAY MINERALS INC. For the years ended December 31, 2025 and 2024 MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING Management of Hudbay Minerals Inc. ("Hudbay" or the "Company") is responsible for establishing and maintaining internal control over financial reporting ("ICFR"). Under the supervision of and with the participation of

February 23, 2026 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2025

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2025 February 19, 2026 TABLE OF CONTENTS Page Introduction 1 Hudbay's Business 1 Hudbay's Purpose 2 Hudbay's Strategy 2 Summary 4 Key Financial Results 9 Key Production Results 10 Key Costs Results 10 Recent Developments 11 Climate Change Initiatives 15 Peru Operations Review 16 Ma

January 16, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2026 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2026 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

January 16, 2026 EX-99.1

Hudbay Announces Preliminary 2025 Production Results and Achieves 2025 Consolidated Copper and Gold Production Guidance

TSX, NYSE - HBM 2026 No. 2 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Announces Preliminary 2025 Production Results and Achieves 2025 Consolidated Copper and Gold Production Guidance Toronto, Ontario, January 16, 2026 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) today announced preliminary produc

December 16, 2025 EX-99.1

EXHIBIT 99.1

December 16, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2025 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

November 13, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

November 13, 2025 EX-99.1

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and nine months ended September 30, 2025

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and nine months ended September 30, 2025 November 11, 2025 TABLE OF CONTENTS Page Introduction 1 Hudbay's Business 1 Hudbay's Purpose 2 Summary 3 Key Financial Results 8 Key Production Results 9 Key Costs Results 9 Recent Developments 10 Peru Operations Review 13 Manitoba Operations Review 19 Britis

November 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

November 13, 2025 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

November 13, 2025 EX-99.3

Hudbay's Third Quarter 2025 Results Demonstrate Operational Resilience

TSX, NYSE - HBM 2025 No. 30 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay's Third Quarter 2025 Results Demonstrate Operational Resilience Toronto, Ontario, November 12, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) released its third quarter 2025 financial results today. All amounts are in U.S.

November 13, 2025 EX-99.2

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

October 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

October 7, 2025 EX-99.1

EXHIBIT 99.1

October 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

October 7, 2025 EX-99.1

Hudbay Resumes Operations in Peru

TSX, NYSE - HBM 2025 No. 28 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Resumes Operations in Peru Toronto, Ontario, October 7, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) announces it has resumed operations at the Constancia mine in Peru following a temporary shutdown due to local protests

September 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Commission File Number: 001-342

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of princip

September 24, 2025 EX-99.1

Hudbay Comments on Peru Social Unrest

TSX, NYSE - HBM 2025 No. 27 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Comments on Peru Social Unrest Toronto, Ontario, September 23, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) today comments on ongoing social unrest in Peru. After a period of heightened social pressures over the past few

September 19, 2025 144

144

144 0002035153 XXXXXXXX LIVE 0001322422 Hudbay Minerals Inc. 001-34244 25 YORK STREET, SUITE 800 TORONTO A6 M5J 2V5 416-362-8181 Carter Robert A Officer Common Shares Morgan Stanley at Work 1500 - 600 3 Ave SW Calgary A0 T2P 0G5 14044 192126.13 395781752 09/19/2025 NYSE Common Shares 09/19/2025 Exercise of options granted on February 28, 2023 Issuer N 14044 09/19/2025 Cash Y 09/19/2025 /s/ Robert

September 12, 2025 144

144

144 0002034924 XXXXXXXX LIVE 0001322422 Hudbay Minerals Inc. 001-34244 25 YORK STREET, SUITE 800 TORONTO A6 M5J 2V5 416-362-8181 Karanikolas Thomas Officer Common Shares Morgan Stanley at Work 1500 - 600 3 Ave SW Calgary A0 T2P 0G5 5023 67941.63 395728635 09/12/2025 NYSE Common Shares 09/12/2025 Exercise of options granted by issuer on 2/28/2023 and 2/27/2024 From Issuer as equity grant N 5023 09/

August 28, 2025 EX-2.01.INS

XBRL TAXONOMY INSTANCE DOCUMENT

0001322422 2024-01-01 2024-12-31 0001322422 1 2024-01-01 2024-12-31 0001322422 2 2024-01-01 2024-12-31 0001322422 3 2024-01-01 2024-12-31 0001322422 4 2024-01-01 2024-12-31 0001322422 5 2024-01-01 2024-12-31 0001322422 6 2024-01-01 2024-12-31 0001322422 7 2024-01-01 2024-12-31 0001322422 8 2024-01-01 2024-12-31 0001322422 9 2024-01-01 2024-12-31 0001322422 10 2024-01-01 2024-12-31 0001322422 11 20

August 28, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT HUDBAY MINERALS INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT HUDBAY MINERALS INC. Canada 001-34244 98-0485558 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 (Address of Principal Executive Offices) (Zip Code) Patric

August 28, 2025 EX-2

Enter the proper name of the Payee receiving the money (i.e. the municipality of x, the province of y, national government of z).

Extractive Sector Transparency Measures Act - Annual Report Reporting Entity Name Hudbay Minerals Inc Reporting Year From 2024-01-01 To: 2024-12-31 Date submitted 2025-05-21 Reporting Entity ESTMA Identification Number E999414 Original Submission Amended Report Other Subsidiaries Included (optional field) For Consolidated Reports - Subsidiary Reporting Entities Included in Report: Copper Mountain Mine (BC) LTD.

August 28, 2025 EX-2.01.SCH

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

British Columbia [Member] British Columbia Constancia [Member] Constancia Copper World [Member] Copper World Manitoba [Member] Manitoba CANADA City of Flin Flon [Member] City of Flin Flon Lower Similkameen Indian Band [Member] Lower Similkameen Indian Band Provincial Government of British Columbia [Member] Provincial Government of British Columbia Provincial Government of Manitoba [Member] Provinc

August 22, 2025 EX-99.1

FORM 51-102F3 MATERIAL CHANGE REPORT

FORM 51-102F3 MATERIAL CHANGE REPORT ITEM 1 Name and Address of Company Hudbay Minerals Inc.

August 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

August 22, 2025 EX-99.2

SUBSCRIPTION AGREEMENT dated as of August 12, 2025 COPPER WORLD, INC. MITSUBISHI CORPORATION and, solely for purposes of Section 4.08 and Article VIII, HUDBAY MINERALS INC. TABLE OF CONTENTS

SUBSCRIPTION AGREEMENT dated as of August 12, 2025 among COPPER WORLD, INC. and MITSUBISHI CORPORATION and, solely for purposes of Section 4.08 and Article VIII, HUDBAY MINERALS INC. TABLE OF CONTENTS Page ARTICLE I SUBSCRIPTION Section 1.01 Subscription 1 Section 1.02 Closing 2 Section 1.03 Deliveries at Closing 2 Section 1.04 Purchase Price 3 Section 1.05 Deferred Purchase Price 4 Section 1.06 P

August 14, 2025 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

August 14, 2025 EX-99.1

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

August 14, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

August 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

August 14, 2025 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and six months ended June 30, 2025

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and six months ended June 30, 2025 August 12, 2025 TABLE OF CONTENTS Page Introduction 1 Hudbay's Business 1 Hudbay's Purpose 2 Summary 3 Key Financial Results 8 Key Production Results 9 Key Costs Results 9 Recent Developments 10 Peru Operations Review 14 Manitoba Operations Review 19 British Columb

August 14, 2025 EX-99.3

TSX, NYSE - HBM

TSX, NYSE - HBM 2025 No. 23 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Delivers Strong Second Quarter 2025 Results Toronto, Ontario, August 13, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) today released its second quarter 2025 financial results. All amounts are in U.S. dollars, unless other

August 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

August 13, 2025 EX-99.1

Hudbay Announces $600 Million Strategic Investment from Mitsubishi Corporation for 30% Joint Venture Interest in Copper World

TSX, NYSE - HBM 2025 No. 24 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Announces $600 Million Strategic Investment from Mitsubishi Corporation for 30% Joint Venture Interest in Copper World Secures a premier long-term strategic partner in Mitsubishi, which has a long history of joint venture partnerships in the highest

June 27, 2025 EX-99.1

EXHIBIT 99.1

June 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

May 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 28, 2025 EX-99.1

Hudbay Receives TSX Approval for Normal Course Issuer Bid

TSX, NYSE - HBM 2025 No. 16 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Receives TSX Approval for Normal Course Issuer Bid Toronto, Ontario, May 28, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM), announced today that the Toronto Stock Exchange (the "TSX") has approved its notice of intention t

May 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 21, 2025 EX-99.1

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102)

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102) The following describes the matters voted upon and the outcome of the votes at the Annual and Special Meeting of Shareholders (the "Meeting") of Hudbay Minerals Inc. (the "Corporation") held on May 20, 2025. All matters voted upon at the Meeting were voted upon by proxy and electronic ballot. Each of the mat

May 13, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

May 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 13, 2025 EX-99.3

TSX, NYSE - HBM

TSX, NYSE - HBM 2025 No. 14 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Delivers Strong First Quarter 2025 Results Driven by Gold Production and Record Cost Performance Toronto, Ontario, May 12, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) today released its first quarter 2025 financial resul

May 13, 2025 EX-99.1

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

May 13, 2025 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three months ended March 31, 2025

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three months ended March 31, 2025 May 9, 2025 TABLE OF CONTENTS Page Introduction 1 Hudbay's Business 1 Hudbay's Purpose 2 Summary 3 Key Financial Results 7 Key Production Results 8 Key Costs Results 8 Recent Developments 9 Peru Operations Review 14 Manitoba Operations Review 18 British Columbia Operation

May 13, 2025 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

April 11, 2025 EX-99.2

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual and special meeting of shareholders (the "Meeting") of Hudbay Minerals Inc. ("Hudbay") will be held by way of a virtual meeting, accessible at https://meetings.lumiconnect.com/400-977-863-046, on Tuesday, May 20, 2025 at 10:00 a.m. (Eastern Time), for the following purposes: 1. to receiv

April 11, 2025 EX-99.3

Important Notice Regarding the Availability of Proxy Materials for the Meeting of Shareholders to be held on May 20, 2025

NOTICE AND ACCESS NOTICE Important Notice Regarding the Availability of Proxy Materials for the Meeting of Shareholders to be held on May 20, 2025 Notice and Access This year, Hudbay Minerals Inc.

April 11, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

April 11, 2025 EX-99.1

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual and special meeting of shareholders (the "Meeting") of Hudbay Minerals Inc. ("Hudbay") will be held by way of a virtual meeting, accessible at https://meetings.lumiconnect.com/400-977-863-046, on Tuesday, May 20, 2025 at 10:00 a.m. (Eastern Time), for the following purposes: 1. to receiv

April 11, 2025 EX-99.4

EX-99.4

March 27, 2025 EX-99.11

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 99.11 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-170295, 333-197080 and 333-212750 on Form S-8 and Registration Statement No. 333-278311 on Form F-10 and to the use of our reports dated February 18, 2025 relating to the financial statements of Hudbay Minerals Inc. (the "Company") and the effective

March 27, 2025 EX-99.8

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.8 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Hudbay Minerals Inc. (the "Registrant") on Form 40-F for the period ended December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Eugene Lei, Chief Financial Officer of the Registra

March 27, 2025 EX-97.1

HUDBAY MINERALS INC. INCENTIVE-BASED COMPENSATION CLAWBACK POLICY

Exhibit 97.1 HUDBAY MINERALS INC. INCENTIVE-BASED COMPENSATION CLAWBACK POLICY 1. Purpose This incentive-based compensation clawback policy (the "Policy") has been adopted by the Board of Directors (the "Board") of Hudbay Minerals Inc. (the "Company") in order to allow the Board to require, in specific situations, the reimbursement of short-term or long-term incentive compensation received by an E

March 27, 2025 EX-99.1

TSX, NYSE - HBM

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 TSX, NYSE - HBM 2025 No. 6 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Consolidates 100% Ownership in its Copper Mountain Mine Increases Hudbay's exposure to a long-life, high-quality copper asset in Canada, a tier-1 mining jurisdiction Low upfront and deferred cash consideration i

March 27, 2025 EX-99.9

CONSENT OF EXPERT

Exhibit 99.9 CONSENT OF EXPERT In connection with the Annual Report on Form 40-F of Hudbay Minerals Inc. ("Hudbay") for the year ended December 31, 2024, and any amendments thereto (the "Form 40-F"), I, Olivier Tavchandjian, P.Geo., hereby consent to the use of my name in connection with the references to and summaries of scientific and technical information relating to Hudbay's mineral properties

March 27, 2025 EX-99.5

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 99.5 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Peter Kukielski, certify that: 1) I have reviewed this annual report on Form 40-F of Hudbay Minerals Inc.; 2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in ligh

March 27, 2025 EX-99.4

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE

EX-99.4 5 exhibit99-4.htm EXHIBIT 99.4 FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc., certify the following: 1. Review: I have reviewed the AIF, if any, annual financial statements and annual MD&A, including, for greater certainty, all documents and information that are incorporated by reference in the AIF (together, t

March 27, 2025 EX-99.4

Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act

Exhibit 99.4 Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act Hudbay Minerals Inc. ("Hudbay") is committed to the health and safety of its employees and to providing an incident free workplace. Certain of Hudbay's U.S. mining operations are subject to Federal Mine Safety and Health Administration (the "MSHA") regulation under the U.S. Federal

March 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

March 27, 2025 EX-99.2

1

Consolidated Financial Statements (In US dollars) HUDBAY MINERALS INC. Years ended December 31, 2024 and 2023 MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING Management of Hudbay Minerals Inc. ("Hudbay" or the "Company") is responsible for establishing and maintaining internal control over financial reporting ("ICFR"). Under the supervision of and with the participation of the Chi

March 27, 2025 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Hudbay Minerals Inc. (the "Registrant") on Form 40-F for the period ended December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Peter Kukielski, President and Chief Executive Offi

March 27, 2025 EX-99.6

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 99.6 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Eugene Lei, certify that: 1) I have reviewed this annual report on Form 40-F of Hudbay Minerals Inc.; 2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of

March 27, 2025 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F [Check one] ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Commission File Number 001-34244 HUDBAY MINERALS INC. (Exact name of Registrant as

March 27, 2025 EX-99.2

TSX, NYSE - HBM

EX-99.2 3 exhibit99-2.htm EXHIBIT 99.2 TSX, NYSE - HBM 2025 No. 7 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Provides Annual Reserve and Resource Update, Three-Year Production Outlook and Positive Snow Lake Exploration Results Toronto, Ontario, March 27, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYS

March 27, 2025 EX-99.1

"We care about our people, our communities and our planet. Hudbay provides the metals the world needs. We work sustainably, transform lives and create better futures for communities."

TABLE OF CONTENTS CAUTION REGARDING FORWARD-LOOKING INFORMATION 1 NOTE TO UNITED STATES INVESTORS 3 OTHER IMPORTANT INFORMATION 4 CURRENCY AND EXCHANGE RATES 4 NON-GAAP FINANCIAL PERFORMANCE MEASURES 4 CORPORATE STRUCTURE 5 INCORPORATION AND REGISTERED OFFICE 5 INTERCORPORATE RELATIONSHIPS 6 DEVELOPMENT OF OUR BUSINESS 6 BUSINESS, PURPOSE & STRATEGY 6 THREE YEAR HISTORY 8 DESCRIPTION OF OUR BUSINE

March 27, 2025 EX-99.10

CONSENT OF EXPERT

Exhibit 99.10 CONSENT OF EXPERT In connection with the Annual Report on Form 40-F of Hudbay Minerals Inc. ("Hudbay") for the year ended December 31, 2024, and any amendments thereto (the "Form 40-F"), I, Marc-Andre Brulotte, P.Geo., hereby consent to the use of my name in connection with the references to and summaries of scientific and technical information relating to Hudbay's Copper Mountain mi

March 27, 2025 EX-99.3

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2024

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2024 February 18, 2025 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 2 Our Strategy 2 Summary 4 Key Financial Results 10 Key Production Results 11 Key Costs Results 12 Recent Developments 13 Peru Operations Review 17 Manitoba Operations Review 22 British Columbia

March 27, 2025 EX-99.3

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE

EX-99.3 4 exhibit99-3.htm EXHIBIT 99.3 FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc., certify the following: 1. Review: I have reviewed the AIF, if any, annual financial statements and annual MD&A, including, for greater certainty, all documents and information that are incorporated by reference in t

February 20, 2025 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2024

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2024 February 18, 2025 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 2 Our Strategy 2 Summary 4 Key Financial Results 10 Key Production Results 11 Key Costs Results 12 Recent Developments 13 Peru Operations Review 17 Manitoba Operations Review 22 British Columbia

February 20, 2025 EX-99.3

Dec. 31, 2024

TSX, NYSE - HBM 2025 No. 5 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Delivers Strong Fourth Quarter and Record Full Year 2024 Results; Achieves 2024 Consolidated Production and Cost Guidance and Provides 2025 Annual Guidance Toronto, Ontario, February 19, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, N

February 20, 2025 EX-99.1

3

Consolidated Financial Statements (In US dollars) HUDBAY MINERALS INC. Years ended December 31, 2024 and 2023 MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING Management of Hudbay Minerals Inc. ("Hudbay" or the "Company") is responsible for establishing and maintaining internal control over financial reporting ("ICFR"). Under the supervision of and with the participation of the Chi

February 20, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

January 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

January 2, 2025 EX-99.1

TSX, NYSE - HBM

TSX, NYSE - HBM 2025 No. 2 News Release Hudbay Receives Air Quality Permit for Copper World Toronto, Ontario, January 2, 2025 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) is pleased to announce that it has received an Air Quality Permit for the Copper World project ("Copper World") from the Arizona Department of Environmental Quality ("ADEQ"). The issuance of this permit is

December 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

December 19, 2024 EX-99.1

EX-99.1

November 18, 2024 EX-99.2

AMENDING AGREEMENT NO. 4 MEMORANDUM OF AGREEMENT made as of November 13, 2024.

REDACTED - Execution Version AMENDING AGREEMENT NO. 4 MEMORANDUM OF AGREEMENT made as of November 13, 2024. AMONG: HUDBAY PERU S.A.C., as Borrower, - and - CERTAIN OF ITS AFFILIATES, as Guarantors, Material Subsidiaries, Restricted Subsidiaries and/or Obligors, - and - CANADIAN IMPERIAL BANK OF COMMERCE, as Administrative Agent, - and - THE LENDERS FROM TIME TO TIME PARTY TO THE CREDIT AGREEMENT.

November 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

November 18, 2024 EX-99.1

AMENDING AGREEMENT NO. 5

REDACTED - Execution Version AMENDING AGREEMENT NO. 5 MEMORANDUM OF AGREEMENT made as of November 13, 2024. AMONG: HUDBAY MINERALS INC., as Borrower, - and - CERTAIN OF ITS SUBSIDIARIES, as Guarantors, Material Subsidiaries, Restricted Subsidiaries and/or Obligors, - and - CANADIAN IMPERIAL BANK OF COMMERCE, as Administrative Agent, - and - THE LENDERS FROM TIME TO TIME PARTY TO THE CREDIT AGREEME

November 14, 2024 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

November 14, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

November 14, 2024 SC 13G/A

HBM / Hudbay Minerals Inc. / GMT CAPITAL CORP - AMENDMENRT TO FORM SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13 G/A Under the Securities Exchange Act of 1934 (Amendment No. 8)* Hudbay Minerals Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 443628102 (CUSIP Number) September 30, 2024 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which thi

November 14, 2024 EX-99.3

Three Months Ended

TSX, NYSE - HBM 2024 No. 17 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Delivers Strong Third Quarter 2024 Results with Record Gold Production in Manitoba; 2024 Production Guidance Reaffirmed and Cost Guidance Further Improved Toronto, Ontario, November 13, 2024 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, N

November 14, 2024 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and nine months ended September 30, 2024

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and nine months ended September 30, 2024 November 12, 2024 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 2 Summary 3 Key Financial Results 8 Key Production Results 9 Key Costs Results 10 Recent Developments 11 Peru Operations Review 15 Manitoba Operations Review 20 British Columbi

November 14, 2024 EX-99.1

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

November 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

September 17, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT HUDBAY MINERALS INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT HUDBAY MINERALS INC. Canada 001-34244 98-0485558 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 (Address of Principal Executive Offices) (Zip Code) Patric

September 17, 2024 EX-2

Enter the proper name of the Payee receiving the money (i.e. the municipality of x, the province of y, national government of z).

Extractive Sector Transparency Measures Act - Annual Report Reporting Entity Name Hudbay Minerals Inc Reporting Year From 1/1/2023 To: 12/31/2023 Date submitted 5/28/2024 Reporting Entity ESTMA Identification Number E999414 Original Submission Amended Report Other Subsidiaries Included (optional field) Not Consolidated Not Substituted Attestation by Reporting Entity In accordance with the requirements of the ESTMA, and in particular section 9 thereof, I attest I have reviewed the information contained in the ESTMA report for the entity(ies) listed above.

September 17, 2024 EX-2.02

EX-2.02

Extractive Sector Transparency Measures Act - Annual Report Reporting Entity Name Copper Mountain Mine (BC) LTD Reporting Year From 1/1/2023 To: 12/31/2023 Date submitted 5/28/2024 Reporting Entity ESTMA Identification Number E037058 Original Submission Amended Report Other Subsidiaries Included (optional field) Not Consolidated Not Substituted Attestation by Reporting Entity In accordance with the requirements of the ESTMA, and in particular section 9 thereof, I attest I have reviewed the information contained in the ESTMA report for the entity(ies) listed above.

September 17, 2024 EX-2.01.SCH

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

British Columbia [Member] British Columbia Constancia [Member] Constancia Copper World [Member] Copper World Manitoba and British Columbia [Member] Manitoba and British Columbia Copper Mountain Mine BC LTD [Member] Copper Mountain Mine BC LTD CANADA City of Flin Flon [Member] City of Flin Flon Lower Similkameen Indian Band [Member] Lower Similkameen Indian Band Ministry of Finance [Member] Ministr

September 17, 2024 EX-2.01.INS

XBRL TAXONOMY INSTANCE DOCUMENT

0001322422 2023-01-01 2023-12-31 0001322422 1 2023-01-01 2023-12-31 0001322422 2 2023-01-01 2023-12-31 0001322422 3 2023-01-01 2023-12-31 0001322422 4 2023-01-01 2023-12-31 0001322422 5 2023-01-01 2023-12-31 0001322422 6 2023-01-01 2023-12-31 0001322422 7 2023-01-01 2023-12-31 0001322422 8 2023-01-01 2023-12-31 0001322422 9 2023-01-01 2023-12-31 0001322422 10 2023-01-01 2023-12-31 0001322422 11 20

August 13, 2024 EX-99.1

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

August 13, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

August 13, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

August 13, 2024 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

August 13, 2024 EX-99.3

From (m)

TSX, NYSE – HBM 2024 No. 13 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Announces Second Quarter 2024 Results; Production Guidance Reaffirmed and Cash Cost Guidance Improved Toronto, Ontario, August 13, 2024 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM) today released its second quarter 2024 financ

August 13, 2024 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and six months ended June 30, 2024

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and six months ended June 30, 2024 August 12, 2024 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 2 Summary 3 Key Financial Results 8 Key Production Results 9 Key Costs Results 10 Recent Developments 11 Sustainability 15 Peru Operations Review 17 Manitoba Operations Review 22 Briti

May 31, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 31, 2024 EX-99.1

FORM 51-102F3 MATERIAL CHANGE REPORT

FORM 51-102F3 MATERIAL CHANGE REPORT ITEM 1 Name and Address of Company Hudbay Minerals Inc.

May 24, 2024 EX-99.1

TSX, NYSE - HBM

TSX, NYSE - HBM 2024 No. 10 News Release Hudbay Completes Upsized Bought Deal Equity Offering Toronto, Ontario, May 24, 2024 - Hudbay Minerals Inc. ("Hudbay" or the "Company") (TSX, NYSE: HBM) is pleased to announce that the Company has closed its previously announced public offering of common shares of the Company (the "Common Shares"). The underwriters exercised the full over-allotment option to

May 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 23, 2024 EX-99.1

UNDERWRITING AGREEMENT

Exhibit 99.1 UNDERWRITING AGREEMENT May 22, 2024 Hudbay Minerals Inc. 25 York St., Suite 800 Toronto, Ontario M5J 2V5 Attention: Eugene Lei, Chief Financial Officer RBC Dominion Securities Inc. (“RBC”) and BMO Nesbitt Burns Inc., as joint bookrunners (together, the “Joint Bookrunners”), and CIBC World Markets Inc., National Bank Financial Inc., Scotia Capital Inc., TD Securities Inc. Barclays Capi

May 23, 2024 EX-99.2

CONSENT OF QUALIFIED PERSON

Exhibit 99.2 CONSENT OF QUALIFIED PERSON May 22, 2024 VIA SEDAR+ Ontario Securities Commission Alberta Securities Commission British Columbia Securities Commission The Manitoba Securities Commission Financial and Consumer Services Commission (New Brunswick) Nova Scotia Securities Commission Office of the Superintendent of Securities Service Newfoundland and Labrador Office of the Superintendent of

May 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2024 Commission File Number 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2024 Commission File Number 001-34244 HUDBAY MINERALS INC. (Translation of registrant's name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

May 22, 2024 EX-99.2

Hudbay Minerals Inc.

Exhibit 99.2 Hudbay Minerals Inc. Bought Deal Treasury Offering of Common Shares Term Sheet May 21, 2024 A final base shelf prospectus containing important information relating to the securities described in this document has been filed with the securities regulatory authorities in each of the provinces and territories of Canada and included in the registration statement on Form F-10 filed with th

May 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2024 Commission File Number 001-34244 H

6-K 1 tm2414980d46k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2024 Commission File Number 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V

May 22, 2024 EX-99.2

Hudbay Minerals Inc.

Exhibit 99.2 Hudbay Minerals Inc. Bought Deal Treasury Offering of Common Shares Revised Term Sheet May 22, 2024 A final base shelf prospectus containing important information relating to the securities described in this document has been filed with the securities regulatory authorities in each of the provinces and territories of Canada and included in the registration statement on Form F-10 filed

May 22, 2024 EX-99.1

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102)

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102) The following describes the matters voted upon and the outcome of the votes at the Annual and Special Meeting of Shareholders (the "Meeting") of Hudbay Minerals Inc. (the "Corporation") held on May 21, 2024. All matters voted upon at the Meeting were voted upon by proxy and electronic ballot. Each of the mat

May 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 22, 2024 EX-99.1

TSX, NYSE – HBM

Exhibit 99.1 TSX, NYSE – HBM 2024 No. 8 Hudbay Announces Upsize to Bought Deal Equity Offering to US$350 Million Toronto, Ontario, May 22, 2024 – Hudbay Minerals Inc. (“Hudbay” or the “Company”) (TSX, NYSE: HBM) announced that the Company has agreed with the syndicate of underwriters led by RBC Capital Markets and BMO Capital Markets (collectively, the “Underwriters”) to increase the size of its p

May 22, 2024 SUPPL

PROSPECTUS SUPPLEMENT (to the Short Form Base Shelf Prospectus dated March 28, 2024)

Filed Pursuant to General Instruction II.L. of Form F-10 File Number 333-278311 No securities regulatory authority has expressed an opinion about these securities and it is an offence to claim otherwise. This prospectus supplement (the “Prospectus Supplement”), together with the short form base shelf prospectus dated March 28, 2024 to which it relates (the “Prospectus”), as may be amended or suppl

May 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2024 Commission File Number 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 For the month of May 2024 Commission File Number 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

May 22, 2024 EX-99.1

TSX, NYSE – HBM

Exhibit 99.1 TSX, NYSE – HBM 2024 No. 7 Hudbay Announces US$300 Million Bought Deal Equity Offering Toronto, Ontario, May 21, 2024 – Hudbay Minerals Inc. (“Hudbay” or the “Company”) (TSX, NYSE: HBM) announced today that it has entered into an agreement with a syndicate of underwriters led by RBC Capital Markets and BMO Capital Markets as Joint Bookrunners (collectively, the “Underwriters”), pursua

May 21, 2024 SUPPL

Subject to completion, dated May 21, 2024 PRELIMINARY PROSPECTUS SUPPLEMENT (to the Short Form Base Shelf Prospectus dated March 28, 2024)

Filed Pursuant to General Instruction II.L. of Form F-10 File Number 333-278311 No securities regulatory authority has expressed an opinion about these securities and it is an offence to claim otherwise. This prospectus supplement (the “Prospectus Supplement”), together with the short form base shelf prospectus dated March 28, 2024 to which it relates (the “Prospectus”), as may be amended or suppl

May 14, 2024 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three months ended March 31, 2024

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three months ended March 31, 2024 May 13, 2024 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 2 Summary 2 Key Financial Results 6 Key Production Results 7 Key Costs Results 7 Recent Developments 8 Peru Operations Review 12 Manitoba Operations Review 17 British Columbia Operations Review

May 14, 2024 EX-99.3

Hudbay Delivers Strong First Quarter 2024 Results

TSX, NYSE – HBM 2024 No. 6 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Delivers Strong First Quarter 2024 Results Toronto, Ontario, May 14, 2024 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM) today released its first quarter 2024 financial results. All amounts are in U.S. dollars, unless otherwise n

May 14, 2024 EX-99.1

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

May 14, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

May 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 14, 2024 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

April 12, 2024 EX-99.1

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual and special meeting of shareholders (the "Meeting") of Hudbay Minerals Inc. ("Hudbay") will be held by way of a virtual meeting, accessible at https://web.lumiconnect.com/253759077, on Tuesday, May 21, 2024 at 2:00 p.m. (Eastern Time), for the following purposes: 1. to receive Hudbay's a

April 12, 2024 EX-99.2

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS

HUDBAY MINERALS INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual and special meeting of shareholders (the "Meeting") of Hudbay Minerals Inc. ("Hudbay") will be held by way of a virtual meeting, accessible at https://web.lumiconnect.com/253759077, on Tuesday, May 21, 2024 at 2:00 p.m. (Eastern Time), for the following purposes: 1. to receive Hudbay's a

April 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

April 12, 2024 EX-99.3

NOTICE AND ACCESS NOTICE Important Notice Regarding the Availability of Proxy Materials for the Meeting of Shareholders to be held on May 21, 2024

NOTICE AND ACCESS NOTICE Important Notice Regarding the Availability of Proxy Materials for the Meeting of Shareholders to be held on May 21, 2024 Notice and Access This year, Hudbay Minerals Inc.

April 12, 2024 EX-99.4

EX-99.4

April 2, 2024 EX-99.4

AMENDING AGREEMENT NO. 3

REDACTED - Execution Version AMENDING AGREEMENT NO. 3 MEMORANDUM OF AGREEMENT made as of June 16, 2023. AMONG: HUDBAY MINERALS INC., as Borrower, - and - CERTAIN OF ITS SUBSIDIARIES, as Guarantors, Material Subsidiaries, Restricted Subsidiaries and/or Obligors, - and - CANADIAN IMPERIAL BANK OF COMMERCE, as Administrative Agent, - and - THE LENDERS FROM TIME TO TIME PARTY TO THE CREDIT AGREEMENT.

April 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-34244 H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal e

April 2, 2024 EX-99.1

Cu Grade (%)

TSX, NYSE - HBM 2024 No. 4 25 York Street, Suite 800 Toronto, Ontario Canada, M5J 2V5 tel: 416 362-8181 fax: 416 362-7844 hudbay.com News Release Hudbay Provides Annual Reserve and Resource Update and Production Outlook Consolidated copper production is expected to average 153,000i tonnes per year over the next three years, representing a 16% increase from 2023 and demonstrating Hudbay's strong an

April 2, 2024 EX-99.2

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

April 2, 2024 EX-99.3

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE

FORM 52-109F1 CERTIFICATION OF ANNUAL FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

April 2, 2024 EX-99.5

AMENDING AGREEMENT NO. 3

REDACTED - Execution Version AMENDING AGREEMENT NO. 3 MEMORANDUM OF AGREEMENT made as of June 16, 2023. AMONG: HUDBAY PERU S.A.C., as Borrower, - and - CERTAIN OF ITS AFFILIATES, as Guarantors, Material Subsidiaries, Restricted Subsidiaries and/or Obligors, - and - CANADIAN IMPERIAL BANK OF COMMERCE, as Administrative Agent, - and - THE LENDERS FROM TIME TO TIME PARTY TO THE CREDIT AGREEMENT. WHER

March 28, 2024 EX-99.1

"We care about our people, our communities and our planet. Hudbay provides the metals the world needs. We work sustainably, transform lives and create better futures for communities."

TABLE OF CONTENTS CAUTION REGARDING FORWARD-LOOKING INFORMATION 1 NOTE TO UNITED STATES INVESTORS 3 OTHER IMPORTANT INFORMATION 4 CURRENCY AND EXCHANGE RATES 4 NON-IFRS FINANCIAL PERFORMANCE MEASURES 4 CORPORATE STRUCTURE 5 INCORPORATION AND REGISTERED OFFICE 5 INTERCORPORATE RELATIONSHIPS 6 DEVELOPMENT OF OUR BUSINESS 6 BUSINESS, PURPOSE & STRATEGY 6 THREE YEAR HISTORY 8 DESCRIPTION OF OUR BUSINE

March 28, 2024 EX-99.4

Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act

Exhibit 99.4 Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act Hudbay Minerals Inc. ("Hudbay") is committed to the health and safety of its employees and to providing an incident free workplace. Hudbay's U.S. mining operations are subject to Federal Mine Safety and Health Administration (the "MSHA") regulation under the U.S. Federal Mine Safety

March 28, 2024 EX-7.1

HUDBAY MINERALS INC. as Issuer, as U.S. Trustee as Canadian Trustee Dated as of TABLE OF CONTENTS

Exhibit 7.1 HUDBAY MINERALS INC. as Issuer, [·] as U.S. Trustee and [·] as Canadian Trustee Indenture Dated as of [·] TABLE OF CONTENTS ARTICLE One DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 SECTION 1.01 Definitions 1 SECTION 1.02 Compliance Certificates and Opinions 13 SECTION 1.03 Form of Documents Delivered to Trustees 13 SECTION 1.04 Acts of Holders 14 SECTION 1.05 Notices, etc.

March 28, 2024 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Hudbay Minerals Inc. (the "Registrant") on Form 40-F for the period ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Peter Kukielski, President and Chief Executive Offi

March 28, 2024 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) Hudbay Minerals Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Forward Registered and Carry Securities

Exhibit 107 Calculation of Filing Fee Table F-10 (Form Type) Hudbay Minerals Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Forward Registered and Carry Securities Security Type Security Class Title Fee Calculation Rule or Instruction Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Reg

March 28, 2024 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 40-F [Check one] ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission File Number 001-34244 HUDBAY MINERALS INC. (Exact name of Registrant as

March 28, 2024 EX-97.1

HUDBAY MINERALS INC. INCENTIVE-BASED COMPENSATION CLAWBACK POLICY

HUDBAY MINERALS INC. INCENTIVE-BASED COMPENSATION CLAWBACK POLICY 1. Purpose This incentive-based compensation clawback policy (the "Policy") has been adopted by the Board of Directors (the "Board") of Hudbay Minerals Inc. (the "Company") in order to allow the Board to require, in specific situations, the reimbursement of short-term or long-term incentive compensation received by an Executive Offi

March 28, 2024 EX-99.5

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 99.5 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Peter Kukielski, certify that: 1) I have reviewed this annual report on Form 40-F of Hudbay Minerals Inc.; 2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in ligh

March 28, 2024 EX-99.6

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 99.6 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Eugene Lei, certify that: 1) I have reviewed this annual report on Form 40-F of Hudbay Minerals Inc.; 2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of

March 28, 2024 EX-99.10

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 99.10 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-170295, 333-197080 and 333-212750 on Form S-8 and to the use of our reports dated February 22, 2024 relating to the financial statements of Hudbay Minerals Inc. (the "Company") and the effectiveness of the Company's internal control over financial r

March 28, 2024 EX-99.9

CONSENT OF EXPERT

Exhibit 99.9 CONSENT OF EXPERT In connection with the Annual Report on Form 40-F of Hudbay Minerals Inc. ("Hudbay") for the year ended December 31, 2023, and any amendments thereto (the "Form 40-F"), I, Olivier Tavchandjian, P.Geo., hereby consent to the use of my name in connection with the references to and summaries of scientific and technical information relating to Hudbay's mineral properties

March 28, 2024 F-X

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING A. Name of issuer or person filing (“Filer”): HudBay Minerals Inc. B. (1) This is [check one]: x an original filing for the Filer. o an amended filing for the Filer. (2) Check the following box if you are filing the Form F-X in paper in accordance with Regula

March 28, 2024 EX-99.2

Beneficial ownership of party (Hudbay Minerals Inc.)

Audited Consolidated Financial Statements (In US dollars) HUDBAY MINERALS INC. Years ended December 31, 2023 and 2022 MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING Management of Hudbay Minerals Inc. ("Hudbay" or the "Company") is responsible for establishing and maintaining internal control over financial reporting ("ICFR"). Under the supervision of and with the participation of

March 28, 2024 EX-99.3

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2023

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2023 February 22, 2024 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 1 Our Strategy 2 Summary 4 Key Financial Results 9 Key Production Results 10 Key Costs Results 11 Recent Developments 12 Climate Change Initiatives 16 Peru Operations Review 17 Manitoba Operatio

March 28, 2024 EX-99.8

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.8 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Hudbay Minerals Inc. (the "Registrant") on Form 40-F for the period ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Eugene Lei, Chief Financial Officer of the Registra

March 28, 2024 F-10

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-10 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 HUDBAY MINERALS INC. (Exact name of Registrant as specified in its charter)

Registration No. 333-              UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-10 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HUDBAY MINERALS INC. (Exact name of Registrant as specified in its charter) Canada (Province or other jurisdiction of incorporation or organization) 1000 (Primary Standard Industrial Classification Code Number) 98-0485558 (I.R.

February 26, 2024 EX-99.2

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2023

Management's Discussion and Analysis of Results of Operations and Financial Condition For the year ended December 31, 2023 February 22, 2024 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Our Purpose 1 Our Strategy 2 Summary 4 Key Financial Results 9 Key Production Results 10 Key Costs Results 11 Recent Developments 12 Climate Change Initiatives 16 Peru Operations Review 17 Manitoba Operatio

February 26, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

February 26, 2024 EX-99.3

TSX, NYSE - HBM

TSX, NYSE - HBM 2024 No. 2 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Delivers Record Fourth Quarter and Full Year 2023 Results and Provides Annual Guidance Toronto, Ontario, February 23, 2024 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE: HBM) today released its fourth quarter and full year 2023 financ

February 26, 2024 EX-99.1

Beneficial ownership of ultimate controlling party (Hudbay Minerals Inc.)

Audited Consolidated Financial Statements (In US dollars) HUDBAY MINERALS INC. Years ended December 31, 2023 and 2022 MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING Management of Hudbay Minerals Inc. ("Hudbay" or the "Company") is responsible for establishing and maintaining internal control over financial reporting ("ICFR"). Under the supervision of and with the participation of

February 13, 2024 EX-1

HBM / Hudbay Minerals Inc. / GMT CAPITAL CORP - LIMITED POWER OF ATTORNEY

GMT Capital Corp. SC 13G/A Exhibit 1 LIMITED POWER OF ATTORNEY Know all by these presents that the undersigned (the “Principal”) hereby constitutes and appoints each of Omar Z. Idilby and Harold Randall, or either of them, with full power of substitution, as the Principal’s true and lawful attorneys-in-fact (each, “Attorney-In-Fact”) for the Principal in any lawful way with respect to the followin

February 13, 2024 SC 13G/A

HBM / Hudbay Minerals Inc. / GMT CAPITAL CORP - AMENDMENT TO FORM SC 13G Passive Investment

SC 13G/A 1 hmi-sc13ga123123.htm AMENDMENT TO FORM SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 7)* Hudbay Minerals Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 443628102 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appr

February 12, 2024 SC 13G/A

HBM / Hudbay Minerals Inc. / LETKO, BROSSEAU & ASSOCIATES INC Passive Investment

SC 13G/A 1 hudbay1223.txt SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No Eleven) HUDBAY MINERALS INC. ........................................................... (Name of Issuer) COMMON SHARES ........................................................... (Title of Class of Securities) 443628102 ...

January 3, 2024 EX-99.1

EX-99.1

January 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

December 6, 2023 EX-99.4

OLIVIER TAVCHANDJIAN CERTIFICATE OF QUALIFICATION Re: Copper Mountain Mine NI 43-101 Technical Report, Updated Mineral Resources and Mineral Reserves Estimate, Princeton, British Columbia, Canada

OLIVIER TAVCHANDJIAN CERTIFICATE OF QUALIFICATION Re: Copper Mountain Mine NI 43-101 Technical Report, Updated Mineral Resources and Mineral Reserves Estimate, Princeton, British Columbia, Canada I, Olivier Tavchandjian, P.

December 6, 2023 EX-99.2

CAUTIONARY NOTES Cautionary Note Regarding Forward Looking Information

CAUTIONARY NOTES Cautionary Note Regarding Forward Looking Information This Technical Report contains "forward-looking statements" and "forward-looking information" (collectively, "forward-looking information") within the meaning of applicable Canadian and United States securities legislation.

December 6, 2023 EX-99.3

British Columbia Securities Commission

TO: British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers New Brunswick Financial and Consumer Services Commission Nova Scotia Securities Commission Office of the Superintendent of Securities, Prince Edward Island Office of the Sup

December 6, 2023 EX-99.1

Copper Mountain 2022A1

TSX, NYSE - HBM 2023 No. 26 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay,com News Release Hudbay Releases Copper Mountain Technical Report and Advances Mine Stabilization Plans Average annual copper production of 46,500 tonnes over the first five years with cash costs of $1.89i per pound, and 45,000 tonnes over the first 10 years with cash cost

December 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

November 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3424

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principa

November 9, 2023 EX-99.1

Hudbay Announces Third Quarter 2023 Results

TSX, NYSE - HBM 2023 No. 24 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Announces Third Quarter 2023 Results Toronto, Ontario, November 8, 2023 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE:HBM) today released its third quarter 2023 financial results. All amounts are in U.S. dollars, unless otherwise not

November 9, 2023 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

November 9, 2023 EX-99.2

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

November 9, 2023 EX-99.3

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and nine months ended September 30, 2023

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and nine months ended September 30, 2023 November 8, 2023 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Summary 2 Key Financial Results 6 Key Production Results 7 Key Costs Results 8 Recent Developments 9 Peru Operations Review 13 Manitoba Operations Review 18 British Columbia Operations Revi

November 9, 2023 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

September 11, 2023 EX-99.1

Phase I: Unit Costs

News Release TSX, NYSE – HBM 2023 No. 21 Hudbay De-risks Copper World Phase I with Enhanced Pre-Feasibility Study Phase I, which is a standalone operation requiring only state and local permits for an extended 20-year mine life, has an after-tax net present value (8%) of $1.1 billion and generates a 19% internal rate of return at a copper price of $3.75 per pound. Average annual copper production

September 11, 2023 EX-99.4

OLIVIER TAVCHANDJIAN CERTIFICATE OF QUALIFICATION Re: NI 43-101 Technical Report, Phase I Pre-Feasibility Study and Updated Mineral Resource Estimates, Copper World Project, Pima County, Arizona, USA

OLIVIER TAVCHANDJIAN CERTIFICATE OF QUALIFICATION Re: NI 43-101 Technical Report, Phase I Pre-Feasibility Study and Updated Mineral Resource Estimates, Copper World Project, Pima County, Arizona, USA I, Olivier Tavchandjian, P.

September 11, 2023 EX-99.3

Dear Sir/Madam:

TO: British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers New Brunswick Financial and Consumer Services Commission Nova Scotia Securities Commission Office of the Superintendent of Securities, Prince Edward Island Office of the Sup

September 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-342

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of princip

September 11, 2023 EX-99.2

CAUTIONARY NOTE REGARDING FORWARD-LOOKING INFORMATION

NI 43-101 Technical Report Phase I Pre-Feasibility Study and Updated Mineral Resource Estimates Copper World Project Pima County, Arizona, USA Effective Date: July 1, 2023 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 Prepared by: Olivier Tavchandjian, P.

August 9, 2023 EX-99.2

1

Unaudited Condensed Consolidated Interim Financial Statements (In US dollars) HUDBAY MINERALS INC.

August 9, 2023 EX-99.5

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Eugene Lei, Chief Financial Officer of Hudbay Minerals Inc.

August 9, 2023 EX-99.1

TSX, NYSE - HBM

TSX, NYSE - HBM 2023 No. 20 25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.com News Release Hudbay Announces Second Quarter 2023 Results Toronto, Ontario, August 8, 2023 - Hudbay Minerals Inc. ("Hudbay" or the "company") (TSX, NYSE:HBM) today released its second quarter 2023 financial results. All amounts are in U.S. dollars, unless otherwise not

August 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-34244

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

August 9, 2023 EX-99.3

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and six months ended June 30, 2023

Management's Discussion and Analysis of Results of Operations and Financial Condition For the three and six months ended June 30, 2023 August 8, 2023 TABLE OF CONTENTS Page Introduction 1 Our Business 1 Summary 2 Key Financial Results 6 Key Production Results 7 Key Costs Results 8 Recent Developments 9 Peru Operations Review 12 Manitoba Operations Review 17 Financial Review 23 Liquidity and Capita

August 9, 2023 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Peter Kukielski, President and Chief Executive Officer of Hudbay Minerals Inc.

June 28, 2023 EX-99.1

FORM 51-102F3 MATERIAL CHANGE REPORT

FORM 51-102F3 MATERIAL CHANGE REPORT ITEM 1 Name and Address of Company Hudbay Minerals Inc.

June 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

June 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

June 23, 2023 EX-99.1

HUDBAY MINERALS INC. ROCKCLIFF METALS CORPORATION __________________________________________ ARRANGEMENT AGREEMENT __________________________________________ June 19, 2023 TABLE OF CONTENTS

HUDBAY MINERALS INC. and ROCKCLIFF METALS CORPORATION ARRANGEMENT AGREEMENT June 19, 2023 TABLE OF CONTENTS Page ARTICLE 1 INTERPRETATION 2 1.1 Definitions 2 1.2 Interpretation Not Affected by Headings 16 1.3 Number and Gender 16 1.4 Calculation of Time 16 1.5 Date for Any Action 17 1.6 Currency 17 1.7 Accounting Matters 17 1.8 Knowledge 17 1.9 Schedules 17 ARTICLE 2 THE ARRANGEMENT 17 2.1 Arrange

June 20, 2023 EX-99.2

Hudbay Completes Acquisition of Copper

TSX, NYSE - HBM 2023 No. 16 News Release Hudbay Completes Acquisition of Copper Mountain to Create a Premier Americas-Focused Copper Producer Toronto, Ontario, June 20, 2023 - Hudbay Minerals Inc. ("Hudbay") (TSX, NYSE: HBM) is pleased to announce that it has closed its previously announced court-approved plan of arrangement with Copper Mountain Mining Corporation ("Copper Mountain"), pursuant to

June 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

June 20, 2023 EX-99.1

Hudbay to Acquire Rockcliff to Consolidate the Snow Lake Camp

Hudbay to Acquire Rockcliff to Consolidate the Snow Lake Camp Toronto, Ontario, June 19, 2023 - Hudbay Minerals Inc.

June 16, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

June 16, 2023 EX-99.1

TSX, NYSE – HBM

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 News Release TSX, NYSE – HBM 2023 No. 14 The Supreme Court of British Columbia has approved Hudbay's Plan of Arrangement with Copper Mountain Toronto, Ontario, June 15, 2023 - Hudbay Minerals Inc. ("Hudbay") (TSX, NYSE: HBM) and Copper Mountain Mining Corporation ("Copper Mountain") (TSX: CMMC) (ASX: C6C) are pleased to announce that the Supreme Court of Brit

June 14, 2023 EX-99.1

Number of Votes

25 York Street, Suite 800 Toronto, Ontario Canada M5J 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.

June 14, 2023 EX-99.2

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102)

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102) The following describes the matter voted upon and the outcome of the votes at the Special Meeting of Shareholders (the "Meeting") of Hudbay Minerals Inc. (the "Corporation") held on June 13, 2023. The matter voted upon at the Meeting is described in greater detail in the Corporation's Notice of Special Meeti

June 14, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

June 2, 2023 EX-99.1

Independent Proxy Advisory Firms, ISS and Glass Lewis, Support Hudbay's Plan of Arrangement with Copper Mountain and Recommend Shareholders Vote "FOR"

25 York Street, Suite 800 Toronto, Ontario Canada MSJ 2V5 tel 416 362-8181 fax 416 362-7844 hudbay.

June 2, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal ex

May 18, 2023 EX-99.5

OFFICER’S CERTIFICATE

EX-99.5 Exhibit 99.5 OFFICER’S CERTIFICATE TO: Ontario Securities Commission Alberta Securities Commission British Columbia Securities Commission Autorité des marchés financiers The Manitoba Securities Commission Financial and Consumer Services Commission (New Brunswick) Nova Scotia Securities Commission Office of the Superintendent of Securities Service Newfoundland and Labrador Office of the Sup

May 18, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-34244 HUD

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal

May 18, 2023 EX-99.3

NOTICES OF SPECIAL MEETINGS AND JOINT MANAGEMENT INFORMATION CIRCULAR OF HUDBAY MINERALS INC. and COPPER MOUNTAIN MINING CORPORATION for the SPECIAL MEETINGS OF SHAREHOLDERS TO BE HELD ON JUNE 13, 2023 with respect to a proposed PLAN OF ARRANGEMENT H

Exhibit 99.3 NOTICES OF SPECIAL MEETINGS AND JOINT MANAGEMENT INFORMATION CIRCULAR OF HUDBAY MINERALS INC. and COPPER MOUNTAIN MINING CORPORATION for the SPECIAL MEETINGS OF SHAREHOLDERS TO BE HELD ON JUNE 13, 2023 with respect to a proposed PLAN OF ARRANGEMENT involving HUDBAY MINERALS INC. and COPPER MOUNTAIN MINING CORPORATION MAY 15, 2023 TAKE ACTION AND VOTE TODAY These materials are importan

May 18, 2023 EX-99.1

2

EX-99.1 Exhibit 99.1 Hudbay and Copper Mountain Announce Filing of Joint Management Information Circular in Connection with Proposed Combination and Support from Largest Shareholders Toronto, Ontario, May 18, 2023 – Hudbay Minerals Inc. (“Hudbay”) (TSX, NYSE: HBM) and Copper Mountain Mining Corporation (“Copper Mountain”) (TSX: CMMC) (ASX: C6C) are pleased to announce today that they have filed a

May 18, 2023 EX-99.4

- SEE VOTING GUIDELINES ON REVERSE -

EX-99.4 Exhibit 99.4 Hudbay Minerals Inc. (“Hudbay”) FORM OF PROXY (“PROXY”) Special Meeting June 13, 2023 at 10:30 a.m. (Toronto time) Virtual meeting URL: https://web.lumiagm.com/265891707 Password: hudbayspecial (the “Meeting”) RECORD DATE: April 28, 2023 CONTROL NUMBER: SEQUENCE #: FILING DEADLINE FOR PROXY: June 9, 2023 at 10:30 a.m. (Toronto time) VOTING METHOD INTERNET Go to www.voteproxyon

May 18, 2023 EX-99.2

HUDBAY MINERALS INC. NOTICE OF SPECIAL MEETING OF SHAREHOLDERS OF HUDBAY

EX-99.2 Exhibit 99.2 HUDBAY MINERALS INC. NOTICE OF SPECIAL MEETING OF SHAREHOLDERS OF HUDBAY NOTICE IS HEREBY GIVEN that a special meeting (the “Hudbay Meeting”) of the holders (the “Hudbay Shareholders”) of common shares (the “Hudbay Shares”) of Hudbay Minerals Inc. (“Hudbay”) will be held in a virtual-only format, which will be conducted via live webcast available online, at https://web.lumiagm

May 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-34244 HUD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, Ontario M5J 2V5, Canada (Address of principal exe

May 11, 2023 EX-99.1

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102)

Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102) The following describes the matters voted upon and the outcome of the votes at the Annual and Special Meeting of Shareholders (the "Meeting") of Hudbay Minerals Inc. (the "Corporation") held on May 10, 2023. All matters voted upon at the Meeting were voted upon by proxy and electronic ballot. Each of the mat

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