PLM / Polymet Mining Corp - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Polymet Mining Corp
US ˙ AMEX ˙ CA7319161443
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 529900I1B64WM0PRZW40
CIK 866028
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 Polymet Mining Corp
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
November 17, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-32929 POLYMET MINING CORP. (Exact name of registrant as specified in it

November 9, 2023 EX-99.1

FORM 51-102F3 MATERIAL CHANGE REPORT

FORM 51-102F3 MATERIAL CHANGE REPORT 1. Name and Address of Company PolyMet Mining Corp. (the "Company" or "PolyMet") 444 Cedar Street, Suite 2060 St. Paul, MN 55101 2. Date of Material Change November 7, 2023 3. News Release On November 7, 2023, the Company issued a news release regarding the material change. The news release was disseminated through the facilities of a recognized newswire servic

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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

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 November 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 8, 2023 SC 13D/A

PLM / Polymet Mining Corp / Glencore plc - SC 13D/A Activist Investment

SC 13D/A 1 ef20014148sc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 31)1 PolyMet Mining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 7319161

November 7, 2023 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 3) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 3) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer) PolyMet Mining Corp. Glencore AG Glencore International AG Glencore plc (Names of Persons Filing Statement) Common Shares, Without Par Value (Title o

November 7, 2023 EX-99.1

Glencore Completes Acquisition of PolyMet

444 Cedar Street, Suite 2060, St. Pau, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-21 Glencore Completes Acquisition of PolyMet St. Paul, Minn., November 7, 2023 - PolyMet Mining Corp. ("PolyMet" or the "Company") (TSX: POM; NYSE American: PLM) announces that it has completed the transactions contemplated by the previously announced statutor

November 7, 2023 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES NYSE American LLC hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on November 20, 2023, pursuant to the provisions of Rule 12d2-2 (a).

November 7, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

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 November 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 7, 2023 S-8 POS

As filed with the Securities and Exchange Commission on November 7, 2023

As filed with the Securities and Exchange Commission on November 7, 2023 Registration No.

November 3, 2023 EX-99.1

PolyMet Receives Final Order for Arrangement with Glencore

TSX: POM, NYSE American: PLM NEWS RELEASE 2023-20 PolyMet Receives Final Order for Arrangement with Glencore St.

November 3, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

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 November 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

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 November 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 2, 2023 EX-99.1

PolyMet Shareholders Approve Plan of Arrangement with Glencore

TSX: POM, NYSE American: PLM NEWS RELEASE 2023-19 PolyMet Shareholders Approve Plan of Arrangement with Glencore St.

October 27, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-32

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 October 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execut

October 27, 2023 EX-99.1

PolyMet Shareholders to Vote on Arrangement with Glencore

TSX: POM, NYSE American: PLM NEWS RELEASE 2023-18 PolyMet Shareholders to Vote on Arrangement with Glencore PolyMet's Unconflicted Board of Directors recommends Minority Shareholders vote FOR the Arrangement Both leading independent proxy advisors, ISS and Glass Lewis, recommend shareholders vote in favor of the transaction Shareholders are encouraged to vote in advance of the proxy deadline on October 30, 2023, at 12:00 p.

October 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-32

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 October 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execut

October 16, 2023 EX-99.1

ISS and Glass Lewis recommend PolyMet Mining shareholders vote FOR the arrangement with Glencore

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-17 ISS and Glass Lewis recommend PolyMet Mining shareholders vote FOR the arrangement with Glencore ISS finds "significant premium of 167%", consideration of alternatives, and the risks of non-approval as its basis for supporting the all-cash transaction Glas

October 3, 2023 EX-99.1

PolyMet files Management Information Circular to consider the US$2.11 per share Glencore proposal

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-16 PolyMet files Management Information Circular to consider the US$2.11 per share Glencore proposal • Unanimous support from the Board of Directors to acquire the remaining approximately 17.8% • A 167% premium to the day prior to the offer • For any sharehol

October 3, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-32

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 October 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execut

October 2, 2023 EX-99.A2I

ARRANGEMENT INVOLVING POLYMET MINING CORP. GLENCORE AG NOTICE OF SPECIAL MEETING OF SHAREHOLDERS to be held on November 1, 2023 at 9:00 a.m. (Pacific time) in person at Farris LLP, 2500 - 700 West Georgia Street, Vancouver, British Columbia, Canada V

These materials are important and require your immediate attention. They require shareholders of PolyMet Mining Corp. to make important decisions. If you are in doubt about how to make such decisions, please contact your financial, legal, tax or other professional advisors. If you are a shareholder of PolyMet Mining Corp. and have any questions regarding the information contained in this managemen

October 2, 2023 EX-99.A2IV

LETTER OF TRANSMITTAL FOR REGISTERED HOLDERS OF COMMON SHARES POLYMET MINING CORP.

Please read the management information circular dated including the schedules attached thereto, dated September 28, 2023 (the "Circular") mailed to registered holders ("Shareholders") of common shares ("Shares") of PolyMet Mining Corp.

October 2, 2023 EX-99.A2II

EX-99.A2II

October 2, 2023 EX-99.A2III

EX-99.A2III

October 2, 2023 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 2) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 2) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer) PolyMet Mining Corp. Glencore AG Glencore International AG Glencore plc (Names of Persons Filing Statement) Common Shares, Without Par Value (Title o

September 28, 2023 EX-99.1

PolyMet Receives Interim Order for Proposed Arrangement with Glencore and Provides Details of Shareholders' Meeting

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-15 PolyMet Receives Interim Order for Proposed Arrangement with Glencore and Provides Details of Shareholders' Meeting St. Paul, Minn., September 28, 2023 - PolyMet Mining Corp. ("PolyMet" or the "Company") (TSX: POM; NYSE American: PLM) announced today that

September 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-

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 September 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal exec

September 12, 2023 EX-99.1

To: All Canadian Securities Regulatory Authorities

Date: September 12, 2023 510Burrard St. 3rd Floor Vancouver, BC V6C 3B9 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: POLYMET MINING CORP. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Special Meeting Record Date for Notice of Meeting : September 22, 2023 Record Date for

September 12, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2023 Commission File Number: 001

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 September, 2023 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St., Suite 2060, St. Paul, MN, 55101 (Address of principal execu

September 12, 2023 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 1) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 1) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer) PolyMet Mining Corp. Glencore AG Glencore International AG Glencore plc (Names of Persons Filing Statement) Common Shares, Without Par Value (Title o

September 12, 2023 EX-99.A2I

ARRANGEMENT INVOLVING POLYMET MINING CORP. GLENCORE AG NOTICE OF SPECIAL MEETING OF SHAREHOLDERS to be held on November 1, 2023 at 9:00 a.m. (Pacific time) in person at Farris LLP, 2500 - 700 West Georgia Street, Vancouver, British Columbia, Canada V

These materials are important and require your immediate attention. They require shareholders of PolyMet Mining Corp. to make important decisions. If you are in doubt about how to make such decisions, please contact your financial, legal, tax or other professional advisors. If you are a shareholder of PolyMet Mining Corp. and have any questions regarding the information contained in this managemen

September 11, 2023 CORRESP

1

Troutman Pepper Hamilton Sanders LLP 875 Third Avenue New York, NY 10020 troutman.

August 22, 2023 EX-FILING FEES

Calculation of Filing Fee Table Schedule 13E-3 (Form Type) PolyMet Mining Corp. Glencore AG (Exact Name of Registrant and Name of Persons Filing Statement) Table 1 - Transaction Valuation

Exhibit 107 Calculation of Filing Fee Table Schedule 13E-3 (Form Type) PolyMet Mining Corp.

August 22, 2023 EX-99.A2IV

LETTER OF TRANSMITTAL FOR REGISTERED HOLDERS OF COMMON SHARES POLYMET MINING CORP.

Please read the management information circular dated including the schedules attached thereto, dated [●], 2023 (the "Circular") mailed to registered holders ("Shareholders") of common shares ("Shares") of PolyMet Mining Corp.

August 22, 2023 EX-99.DIII

EX-99.DIII

August 22, 2023 EX-99.EI

EX-99.EI

August 22, 2023 EX-99.A2III

EX-99.A2III

August 22, 2023 EX-99.A2II

EX-99.A2II

August 22, 2023 EX-99.DV

EX-99.DV

August 22, 2023 EX-99.CIV

EX-99.CIV

August 22, 2023 EX-99.CIII

EX-99.CIII

August 22, 2023 EX-99.CV

EX-99.CV

August 22, 2023 EX-99.DIV

EX-99.DIV

August 22, 2023 EX-99.EII

INVESTOR RIGHTS AND GOVERNANCE AGREEMENT GLENCORE AG POLYMET MINING CORP. DATED AS OF FEBRUARY 14, 2023 TABLE OF CONTENTS INVESTOR RIGHTS AND GOVERNANCE AGREEMENT

INVESTOR RIGHTS AND GOVERNANCE AGREEMENT BETWEEN GLENCORE AG AND POLYMET MINING CORP.

August 22, 2023 SC 13E3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer) Po

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13E-3 (Rule 13e-100) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 POLYMET MINING CORP. Name of Subject Company (Issuer) PolyMet Mining Corp. Glencore AG Glencore International AG Glencore plc (Names of Persons Filing Statement) Common Shares, Without Par Value (Title of C

August 22, 2023 EX-99.A2I

ARRANGEMENT INVOLVING POLYMET MINING CORP. GLENCORE AG NOTICE OF SPECIAL MEETING OF SHAREHOLDERS to be held on [●], 2023 at [●]:00 a.m. (Pacific time) in person at Farris LLP, 2500 - 700 West Georgia Street, Vancouver, British Columbia, Canada V7Y 1B

These materials are important and require your immediate attention. They require shareholders of PolyMet Mining Corp. to make important decisions. If you are in doubt about how to make such decisions, please contact your financial, legal, tax or other professional advisors. If you are a shareholder of PolyMet Mining Corp. and have any questions regarding the information contained in this managemen

August 11, 2023 EX-99.1

PolyMet Mining reports results for period ended June 30, 2023

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-14 PolyMet Mining reports results for period ended June 30, 2023 St. Paul, Minn., August 10, 2023 - PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, today reports its financial results for the three and six months ended June 30,

August 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-329

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 August 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executi

August 10, 2023 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

August 10, 2023 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and six months ended June 30, 2023

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and six months ended June 30, 2023 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars June 30, 2023 December 31, 2022 ASSETS Current Cash $ 14,087 $ 11,046 Deposit with related party (Note 10) 82,073 - Amounts receivable and other assets 327 34

August 10, 2023 EX-99.2

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three and six months ended June 30, 2023

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three and six months ended June 30, 2023 PolyMet Mining Corp. Management's Discussion and Analysis As at June 30, 2023 and for the three and six months ended June 30, 2023 All figures in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at August 10, 2023 should be read

August 10, 2023 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp.

August 10, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of AUGUST, 2023 Commission File Number: 001-32

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 AUGUST, 2023 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St., Suite 2060, St. Paul, MN, 55101 (Address of principal executiv

August 4, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-329

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 August 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executi

August 4, 2023 EX-99.1

NorthMet Water Discharge Permit remanded to MPCA for additional review

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-13 NorthMet Water Discharge Permit remanded to MPCA for additional review St. Paul, Minn., August 2, 2023 - Poly Met Mining Corp. ("PolyMet" or the "company") (TSX: POM; NYSE American: PLM) announced that the Minnesota Supreme Court, in a decision released to

July 17, 2023 SC 13D/A

PLM / Polymet Mining Corp / Glencore plc - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 30)1 PolyMet Mining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 731916102 (CUSIP Number) Stephen Rowland Glencor

July 17, 2023 EX-99.1

PolyMet Enters into Definitive Agreement for Glencore to Acquire Full Ownership

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-12 PolyMet Enters into Definitive Agreement for Glencore to Acquire Full Ownership Transaction provides Minority Shareholders with all-cash consideration of US$2.11 per share and represents a 167% premium to the unaffected closing price on June 30, 2023 Speci

July 17, 2023 EX-99.2

ARRANGEMENT AGREEMENT POLYMET MINING CORP. - and - GLENCORE AG July 16, 2023 TABLE OF CONTENTS

ARRANGEMENT AGREEMENT POLYMET MINING CORP. - and - GLENCORE AG July 16, 2023 TABLE OF CONTENTS Page ARTICLE 1 - INTERPRETATION 2 1.01 Definitions 2 1.02 Interpretation 13 1.03 Computation of Time 14 1.04 Exercise of Rights Under the Joint Venture Agreement 14 1.05 Purchaser Action and JVCo 14 1.06 Currency 15 1.07 Accounting Matters 15 1.08 Schedules 15 ARTICLE 2 - THE ARRANGEMENT 15 2.01 Arrangem

July 17, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-32929

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 July 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

July 17, 2023 EX-99.3

SUPPORT AND VOTING AGREEMENT

SUPPORT AND VOTING AGREEMENT July 16, 2023 Glencore AG Baarermattstrasse 3 PO Box 777, 6241 CH-6340 Baar, Switzerland Dear Sirs/Madams: Re: Support and Voting Agreement The undersigned individual Company Securityholder (the "undersigned") understands that Glencore AG (the "Purchaser") and PolyMet Mining Corp.

July 3, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-32929

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 July 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

July 3, 2023 SC 13D/A

PLM / Polymet Mining Corp / Glencore plc - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 29)1 PolyMetMining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 731916102 (CUSIP Number) Stephen Rowland Glencore

July 3, 2023 EX-99.1

PolyMet receives non-binding proposal to go private

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-11 PolyMet receives non-binding proposal to go private St. Paul, Minn., July 3, 2023 - PolyMet Mining Corp. ("PolyMet" or the "company") (TSX: POM; NYSE American: PLM) announced today that its independent Special Committee (the "Special Committee") of PolyMet

July 3, 2023 EX-99.1

PolyMet Mining

Exhibit 99.1 GLENCORE Board of Directors PolyMet Mining Corp. 444 Cedar Street, Suite 2060 St Paul, Minnesota 55101 , USA Attn: Alan R. Hodnik, Lead Independent Director SUBJECT TO CONTRACT 30 June 2023 Dear Mr. Hodnik, Further to our recent conversations I am pleased to confirm that Glencore AG (“Glencore”) is prepared to enter into discussions with you with respect to a transaction under which G

July 3, 2023 EX-99.2

NOT FOR DISSEMINATION IN THE UNITED STATES OR TO UNITED STATES NEWSWIRE SERVICES GLENCORE SUBMITS NON-BINDING ACQUISITION PROPOSAL TO POLYMET BOARD

Exhibit 99.2 NOT FOR DISSEMINATION IN THE UNITED STATES OR TO UNITED STATES NEWSWIRE SERVICES GLENCORE SUBMITS NON-BINDING ACQUISITION PROPOSAL TO POLYMET BOARD Baar, Switzerland, July 3, 2023 – On June 30, 2023, Glencore AG, a wholly-owned subsidiary of Glencore plc (together “Glencore”) submitted a non-binding proposal to the board of directors of PolyMet Mining Corp. (“PolyMet”) to acquire all

June 15, 2023 EX-99.1

PolyMet Releases Voting Results of Annual Shareholder Meeting

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-10 PolyMet Releases Voting Results of Annual Shareholder Meeting St. Paul, Minn., June 14, 2023 - The board of directors of PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, re-elected Jon Cherry its chairman following the Annual

June 15, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-32929

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 June 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

June 7, 2023 EX-99.1

PolyMet reacts to Corps of Engineers decision on NorthMet section 404 permit

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-09 PolyMet reacts to Corps of Engineers decision on NorthMet section 404 permit St. Paul, Minn., June 6, 2023 - Poly Met Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, shares the following statement issued today by NewRange Copper Nic

June 7, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-32929

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 June 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

May 31, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-32929

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 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

May 31, 2023 EX-99.1

PolyMet announces site readiness initiative for NorthMet Project

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-08 PolyMet announces site readiness initiative for NorthMet Project St. Paul, Minn., May 30, 2023 - PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, announces its NewRange Copper Nickel joint venture ("NewRange") has commenced w

May 12, 2023 EX-99.1

PolyMet Mining reports results for period ended March 31, 2023

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-07 PolyMet Mining reports results for period ended March 31, 2023 St. Paul, Minn., May 11, 2023 - PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, today reports its financial results for the period ended March 31, 2023 and provi

May 12, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-32929

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 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

May 11, 2023 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three months ended March 31, 2023

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three months ended March 31, 2023 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars March 31, 2023 December 31, 2022 ASSETS Current Cash $ 9,849 $ 11,046 Amounts receivable and other assets 1,049 340 Prepaid expenses 1,306 1,727 12,204 13,113 Non-Cu

May 11, 2023 EX-99.2

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three months ended March 31, 2023

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three months ended March 31, 2023 PolyMet Mining Corp. Management's Discussion and Analysis As at March 31, 2023 and for the three months ended March 31, 2023 All figures in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at May 11, 2023 should be read in conjunction

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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2023 Commission File Number: 001-32929

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, 2023 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St., Suite 2060, St. Paul, MN, 55101 (Address of principal executive o

May 11, 2023 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp.

May 11, 2023 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

May 5, 2023 EX-99.1

POLYMET MINING CORP. NOTICE OF MEETING INFORMATION CIRCULAR The Annual General Meeting of Shareholders To be held on JUNE 14, 2023 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON JUNE 14, 2023

POLYMET MINING CORP. NOTICE OF MEETING AND INFORMATION CIRCULAR For The Annual General Meeting of Shareholders To be held on JUNE 14, 2023 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON JUNE 14, 2023 Dear Shareholder: You are receiving this notification as PolyMet Mining Corp. ("PolyMet" or the "Company") has elected to use the notice and access model for delivery of meeting materi

May 5, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2023 Commission File Number: 001-32929

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, 2023 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St., Suite 2060, St. Paul, MN, 55101 (Address of principal executive o

May 5, 2023 EX-99.2

Notice and Access Notification to Shareholders

May 5, 2023 EX-99.3

Form of Proxy

April 12, 2023 SC 13D/A

PLM / Polymet Mining Corp / Glencore plc Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 28)1 PolyMet Mining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 731916102 (CUSIP Number) Stephen Rowland Glencor

April 10, 2023 EX-99.1

PolyMet closes successful rights offering

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-06 PolyMet closes successful rights offering St. Paul, Minn., April 10, 2023 – PolyMet Mining Corp. (“PolyMet” or the “company”) (TSX: POM; NYSE American: PLM) announces the successful completion of its rights offering,

April 10, 2023 FWP

PolyMet closes successful rights offering

ISSUER FREE WRITING PROSPECTUS Filed pursuant to Rule 433 Registration Statement No.

April 10, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-3292

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 April 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executiv

April 5, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-3292

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 April 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executiv

April 5, 2023 FWP

PolyMet announces preliminary results for rights offering

ISSUER FREE WRITING PROSPECTUS Filed pursuant to Rule 433 Registration Statement No.

April 5, 2023 EX-99.1

PolyMet announces preliminary results for rights offering

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-05 PolyMet announces preliminary results for rights offering St. Paul, Minn., April 5, 2023 - PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM - today announced preliminary results that indicate successful conclusion of its appro

March 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3292

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 March 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executiv

March 28, 2023 EX-99.1

To: All Canadian Securities Regulatory Authorities

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 Date: March 28, 2023 510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: POLYMET MINING CORP. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General Meeting Record Date for Notice of M

March 24, 2023 EX-99.1

PolyMet Mining reports results for year ended December 31, 2022

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-04 PolyMet Mining reports results for year ended December 31, 2022 St. Paul, Minn., March 23, 2023 - PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, today reports it has filed its financial results for the year ended December 3

March 24, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3292

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 March 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executiv

March 24, 2023 FWP

PolyMet Mining reports results for year ended December 31, 2022

ISSUER FREE WRITING PROSPECTUS Filed pursuant to Rule 433 Registration Statement No.

March 23, 2023 EX-99.18

Consent of Technical Report Author - Shane Tad Crowie, P.Eng.

EXHIBIT 99.18 CONSENT OF TECHNICAL REPORT AUTHOR Shane Tad Crowie, P.Eng. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of the

March 23, 2023 EX-99.7

Certification of Principal Executive Officer and Principal Financial Officer pursuant to 17 C.F.R. 240.13a-14(b) and 18 U.S.C. 1350.

EX-99.7 8 exhibit99-7.htm EXHIBIT 99.7 EXHIBIT 99.7 CERTIFICATION Pursuant to 18 United States Code § 1350 As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. Section 1350), as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers hereby certify tha

March 23, 2023 EX-99.4

Mine Safety Disclosure

EXHIBIT 99.4 Disclosure of Mine Safety and Health Administration ("MSHA") Safety Data PolyMet is committed to the health and safety of its employees and in providing an incident free workplace. The Company maintains a comprehensive health and safety program that includes extensive training for all employees and contractors, site inspections, emergency response preparedness, crisis communications t

March 23, 2023 EX-99.3

Management's Discussion and Analysis for the years ended December 31, 2022 and 2021

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS Years ended December 31, 2022 and 2021 PolyMet Mining Corp. Management's Discussion and Analysis For the Years Ended December 31, 2022 and 2021 All figures in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at March 23, 2023 should be read in conjunction with the audited cons

March 23, 2023 EX-99.11

Consent of Technical Report Author - Nicholas Dempers, Pr. Eng., SAIMM

EXHIBIT 99.11 CONSENT OF TECHNICAL REPORT AUTHOR Nicholas Dempers, Pr.Eng., SAIMM To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference

March 23, 2023 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F ☐ 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, 2022 Commission file number 001-32929 POLYMET MINING CORP. (Exact name of Registrant as specified i

March 23, 2023 EX-99.14

Consent of Technical Report Author - Thomas J. Radue, P.E.

EX-99.14 15 exhibit99-14.htm EXHIBIT 99.14 EXHIBIT 99.14 CONSENT OF TECHNICAL REPORT AUTHOR Thomas J. Radue, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent t

March 23, 2023 EX-99.5

Certification of Principal Executive Officer pursuant to 17 C.F.R. 240.13a-14(a)

EXHIBIT 99.5 CERTIFICATION I, Jonathan Cherry, certify that: 1. I have reviewed this Annual Report on Form 40-F of PolyMet Mining Corp. ("the Company"); 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 the circumstances under which such statements were made, not mislead

March 23, 2023 EX-99.8

Consent of Deloitte & Touche LLP

EXHIBIT 99.8 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-192208 on Form S-8 and Registration Statement No. 333-270034 on Form F-10 and to the use of our reports dated March 23, 2023, relating to the financial statements of PolyMet Mining Corp. and the effectiveness of PolyMet Mining Corp.’s internal control

March 23, 2023 EX-99.1

Annual Information Form for the year ended December 31, 2022

POLYMET MINING CORP. 444 Cedar Street, Suite 2060 St. Paul, Minnesota 55101 Tel: 651-389-4100 Fax: 651-389-4101 Email: [email protected] Website: www.polymetmining.com ANNUAL INFORMATION FORM For the year ended December 31, 2022 Dated as at March 23, 2023 TABLE OF CONTENTS 1. INTRODUCTORY NOTES 1 2. CORPORATE STRUCTURE 3 3. GENERAL DEVELOPMENT OF THE BUSINESS 4 4. DESCRIPTION OF THE BUSINESS

March 23, 2023 EX-99.9

Consent of Technical Report Author - Alberto Bennett, P.E.

EXHIBIT 99.9 CONSENT OF TECHNICAL REPORT AUTHOR Alberto Bennett, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of the Tech

March 23, 2023 EX-99.15

Consent of Technical Report Author - Jeff S. Ubl, P.E.

EXHIBIT 99.15 CONSENT OF TECHNICAL REPORT AUTHOR Jeff S. Ubl, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of the Technic

March 23, 2023 EX-99.12

Consent of Technical Report Author - Daniel Roth, P.E., P. Eng.

EXHIBIT 99.12 CONSENT OF TECHNICAL REPORT AUTHOR Daniel Roth, P.E., P. Eng. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of th

March 23, 2023 EX-99.2

Consolidated Financial Statements for the years ended December 31, 2022 and 2021

POLYMET MINING CORP. CONSOLIDATED FINANCIAL STATEMENTS Years ended December 31, 2022 and 2021 Management's Responsibility for Consolidated Financial Statements The accompanying Consolidated Financial Statements of PolyMet Mining Corp. (the "Company") are the responsibility of management. The Consolidated Financial Statements have been prepared by management in accordance with International Financi

March 23, 2023 EX-99.6

Certification of Principal Financial Officer pursuant to 17 C.F.R. 240.13a-14(a)

EX-99.6 7 exhibit99-6.htm EXHIBIT 99.6 EXHIBIT 99.6 CERTIFICATION I, Patrick Keenan, certify that: 1. I have reviewed this Annual Report on Form 40-F of PolyMet Mining Corp. ("the Company"); 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 the circumstances under which

March 23, 2023 EX-99.13

Consent of Technical Report Author - Richard Schwering, SME-RM

EXHIBIT 99.13 CONSENT OF TECHNICAL REPORT AUTHOR Richard Schwering, SME-RM To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of the

March 23, 2023 EX-99.16

Consent of Technical Report Author - Herbert E. Welhener, SME-RM

EXHIBIT 99.16 CONSENT OF TECHNICAL REPORT AUTHOR Herbert E. Welhener, SME-RM To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of t

March 23, 2023 EX-99.17

Consent of Technical Report Author - Laurie Tahija, MMSA-QP

EXHIBIT 99.17 CONSENT OF TECHNICAL REPORT AUTHOR Laurie Tahija, MMSA-QP To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to the incorporation by reference of the Te

March 23, 2023 EX-99.10

Consent of Technical Report Author - Daniel H. Neff, P.E.

EX-99.10 11 exhibit99-10.htm EXHIBIT 99.10 EXHIBIT 99.10 CONSENT OF TECHNICAL REPORT AUTHOR Daniel H Neff, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: Consent of Technical Report Author for PolyMet Mining Corp.'s Annual Information Form included as an exhibit to Form 40-F for the fiscal year ended December 31, 2022. The undersigned does hereby consent to

March 13, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3292

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 March 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executiv

March 13, 2023 EX-99.1

PolyMet announces commencement of the Rights Offering and trading dates

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-03 PolyMet announces commencement of the Rights Offering and trading dates St. Paul, Minn., March 13, 2023 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, ("PolyMet" or the "company") has commenced its previously an

March 13, 2023 FWP

PolyMet announces commencement of the Rights Offering and trading dates

ISSUER FREE WRITING PROSPECTUS Filed pursuant to Rule 433 Registration Statement No.

February 28, 2023 SC 13D/A

PLM / Polymet Mining Corp / Glencore plc Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 27)1 PolyMet Mining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 731916102 (CUSIP Number) Stephen Rowland Glencor

February 27, 2023 EX-4.1

Standby Purchase Agreement, dated as of February 27, 2023, between the Registrant and Glencore AG.

STANDBY PURCHASE AGREEMENT POLYMET MINING CORP. and GLENCORE AG Dated: February 27, 2023 TABLE OF CONTENTS Page 1. DEFINITIONS AND INTERPRETATION 2 2. THE RIGHTS OFFERING 3 3. REPRESENTATIONS AND WARRANTIES 3 4. REPRESENTATIONS AND WARRANTIES OF THE COMPANY 3 5. REPRESENTATIONS AND WARRANTIES OF GLENCORE 4 6. CONDUCT OF BUSINESS DURING RIGHTS OFFERING 4 7. DEMAND REGISTRATION 5 8. CONDITIONS AND T

February 27, 2023 EX-5.5

Consent of Daniel Roth, P.E., P. Eng.

Exhibit 5.5 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by r

February 27, 2023 EX-99.2

FORM 51-102F3 MATERIAL CHANGE REPORT

FORM 51-102F3 MATERIAL CHANGE REPORT 1. Name and Address of Company PolyMet Mining Corp. (the "Company" or "PolyMet") f444 Cedar Street, Suite 2060 St. Paul, MN 55101 2. Date of Material Change February 27, 2023 3. News Release On February 27, 2023, the Company issued a news release regarding the launch of the Rights Offering (as defined below), and the entering into of the Standby Purchase Agreem

February 27, 2023 F-10

As filed with the Securities and Exchange Commission on February 27, 2023

As filed with the Securities and Exchange Commission on February 27, 2023 Registration No.

February 27, 2023 EX-FILING FEES

Filing Fee Table.

EXHIBIT 107 Calculation of Filing Fee Tables FORM F-10 (Form Type) POLYMET MINING CORP.

February 27, 2023 EX-99.1

PolyMet announces filing of a Rights Offering Circular

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-02 PolyMet announces filing of a Rights Offering Circular St. Paul, Minn., February 27, 2023 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, ("PolyMet" or the "company") today announced that it has filed a rights offering circular (the "Circular") and ri

February 27, 2023 EX-5.6

Consent of Richard Schwering, SME-RM.

Exhibit 5.6 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by r

February 27, 2023 EX-5.8

Consent of Jeff S. Ubl, P.E.

Exhibit 5.8 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by r

February 27, 2023 EX-5.10

Consent of Laurie Tahija, MMSA-QP.

Exhibit 5.10 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by

February 27, 2023 EX-5.11

Consent of Shane Tad Crowie, P.Eng.

Exhibit 5.11 CONSENT Reference is made to the Technical Report entitled "Mesaba Project Form 43-101F1 Technical Report - Mineral Resource Statement (the "Technical Report") with effective date November 28, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all

February 27, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number: 001-3

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 February 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

February 27, 2023 FWP

PolyMet announces filing of a Rights Offering Circular

ISSUER FREE WRITING PROSPECTUS Filed pursuant to Rule 433 Registration Statement No.

February 27, 2023 EX-5.3

Consent of Daniel H. Neff, P.E.

Exhibit 5.3 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by r

February 27, 2023 EX-5.4

Consent of Nicholas Dempers, Pr. Eng., SAIMM.

Exhibit 5.4 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by r

February 27, 2023 EX-5.7

Consent of Thomas J. Radue, P.E.

Exhibit 5.7 CONSENT Reference is made to the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet Mining Corp.'s Rights Offering Notice dated February 27, 2023 and Rights Officer Circular dated February 27, 2023, all supplements thereto and all documents incorporated by r

February 27, 2023 EX-5.9

Consent of Herbert E. Welhener, SME-RM.

Exhibit 5.9 CONSENT Reference is made to the Technical Report entitled "Mesaba Project Form 43-101F1 Technical Report - Mineral Resource Statement (the "Technical Report") with effective date November 28, 2022 and the Technical Report entitled "NorthMet Project Form 43-101F1 Technical Report" (the "Technical Report") with effective date December 30, 2022. In connection with the filing of PolyMet M

February 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number: 001-3

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 February 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

February 23, 2023 EX-99.2

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT NEWRANGE COPPER NICKEL LLC a Delaware Limited Liability Company POLYMET US, INC. TECK AMERICAN INCORPORATED NEWRANGE COPPER NICKEL LLC Dated as of: February 14, 2023 TABLE OF CONTENTS

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF NEWRANGE COPPER NICKEL LLC a Delaware Limited Liability Company AMONG POLYMET US, INC.

February 23, 2023 EX-99.1

INVESTOR RIGHTS AND GOVERNANCE AGREEMENT GLENCORE AG POLYMET MINING CORP. DATED AS OF FEBRUARY 14, 2023 TABLE OF CONTENTS INVESTOR RIGHTS AND GOVERNANCE AGREEMENT

INVESTOR RIGHTS AND GOVERNANCE AGREEMENT BETWEEN GLENCORE AG AND POLYMET MINING CORP.

February 21, 2023 EX-99.1

PolyMet closes NewRange Copper Nickel joint venture with Teck Resources Confirms intention to proceed with previously announced rights offering for proceeds of approximately US$200 million

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2023-01 PolyMet closes NewRange Copper Nickel joint venture with Teck Resources Confirms intention to proceed with previously announced rights offering for proceeds of approximately US$200 million • PolyMet holds 50% interest

February 21, 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 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number: 001-3

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 February 2023 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

December 30, 2022 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 December 2022 Commission File Number: 001-3

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 December 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

December 30, 2022 EX-99.1

22.1.3 Economic Sensitivities

NorthMet Project Form 43-101F1 Technical Report This report is current as of 30 December 2022.

December 30, 2022 EX-99.1

PolyMet Mining releases updated NI 43-101 Technical Report on NorthMet copper-nickel-PGM deposit Report reaffirms economic and technical viability of NorthMet Project

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-13 PolyMet Mining releases updated NI 43-101 Technical Report on NorthMet copper-nickel-PGM deposit Report reaffirms economic and technical viability of NorthMet Project St. Paul, Minn., December 30, 2022 - PolyMet Mining Corp. ("PolyMet" or the "company") TS

December 30, 2022 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 December 2022 Commission File Number: 001-3

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 December 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 28, 2022 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 November 2022 Commission File Number: 001-3

6-K 1 form6k.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 November 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (

November 28, 2022 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 November 2022 Commission File Number: 001-3

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 November 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 28, 2022 EX-99.1

DATE AND SIGNATURES PAGE

Mesaba Project Form 43-101F1 Technical Report ? Mineral Resource Statement DATE AND SIGNATURES PAGE The effective date of this report is November 28, 2022.

November 28, 2022 EX-99.1

PolyMet Mining releases NI 43-101 Technical Report on Mesaba copper-nickel-PGM deposit

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-12 PolyMet Mining releases NI 43-101 Technical Report on Mesaba copper-nickel-PGM deposit St. Paul, Minn., November 28, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, ("PolyMet" or the "company") today announced the filing of a technical report (th

November 14, 2022 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 November 2022 Commission File Number: 001-3

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 November 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 14, 2022 EX-99.1

PolyMet Mining reports results for period ended September 30, 2022

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-11 PolyMet Mining reports results for period ended September 30, 2022 St. Paul, Minn., November 10, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, ("PolyMet" or the "company") today filed its financial results for the three and nine months ended Se

November 10, 2022 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 November 2022 Commission File Number: 001-3

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 November 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 10, 2022 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp.

November 10, 2022 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and nine months ended September 30, 2022

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and nine months ended September 30, 2022 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars September 30, 2022 December 31, 2021 ASSETS Current Cash $ 8,604 $ 2,958 Amounts receivable and other assets (Note 1) 1,051 342 Prepaid expenses 667 1,0

November 10, 2022 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

November 10, 2022 EX-99.2

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three and nine months ended September 30, 2022

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three and nine months ended September 30, 2022 PolyMet Mining Corp. Management's Discussion and Analysis As at September 30, 2022 and for the three and nine months ended September 30, 2022 Tabular amounts in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at November

August 11, 2022 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

August 11, 2022 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 August 2022 Commission File Number: 001-329

6-K 1 form6k.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 August 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Ad

August 11, 2022 EX-99.1

PolyMet Mining reports results for period ended June 30, 2022 Company saw progress on litigation and regulatory fronts

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-10 PolyMet Mining reports results for period ended June 30, 2022 Company saw progress on litigation and regulatory fronts St. Paul, Minn., August 11, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, ("PolyMet" or the "company") today filed its financ

August 11, 2022 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and six months ended June 30, 2022

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and six months ended June 30, 2022 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars June 30, 2022 December 31, 2021 ASSETS Current Cash $ 7,675 $ 2,958 Amounts receivable 679 342 Prepaid expenses 763 1,089 9,117 4,389 Non-Current Restricted d

August 11, 2022 EX-99.2

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three and six months ended June 30, 2022

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three and six months ended June 30, 2022 PolyMet Mining Corp. Management?s Discussion and Analysis As at June 30, 2022 and for the three and six months ended June 30, 2022 Tabular amounts in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at August 11, 2022 should be

August 11, 2022 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 August 2022 Commission File Number: 001-329

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 August 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executi

August 11, 2022 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp.

July 29, 2022 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 July, 2022 Commission File Number: 001-3292

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 July, 2022 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St, Suite 2060, St. Paul, MN, 55101 (Address of principal executive o

July 29, 2022 EX-99.1

FORM 51-102F3 MATERIAL CHANGE REPORT

FORM 51-102F3 MATERIAL CHANGE REPORT 1. Name and Address of Company PolyMet Mining Corp. (the "Company" or "PolyMet") 444 Cedar Street, Suite 2060 St. Paul, MN 55101 2. Date of Material Change July 19, 2022 3. News Release On July 20, 2022, the Company issued a news release regarding the material change. The news release was disseminated through the facilities of a recognized newswire service. A c

July 29, 2022 EX-99.3

Registered address: Baarermattstrasse 3 % CH-6340 Baar % Switzerland Mailing address: Baarermattstrasse 3 % P.O. Box % CH-6341 Baar % Switzerland Telephone +41 41 709 20 00 % Telefax +41 41 709 30 00

To: Mr. Jonathan Cherry, Chairman, President and CEO of PolyMet Mining Corporation Address: 444 Cedar Street, Suite 2060, St. Paul, MN 55101 Cc: Alan R. Hodnik, Chairman of Special Committee 19 July 2022 Re: Teck Transaction; Glencore Support Dear Mr. Cherry, You have informed us of a proposed transaction (the "Transaction") between Teck Resources Limited ("Teck") and PolyMet Mining ("PolyMet") to

July 29, 2022 EX-99.2

COMBINATION AGREEMENT POLYMET MINING CORP. POLY MET MINING, INC. TECK RESOURCES LIMITED TECK AMERICAN INCORPORATED MADE AS OF JULY 19, 2022

EXECUTION VERSION COMBINATION AGREEMENT AMONG POLYMET MINING CORP. POLY MET MINING, INC. TECK RESOURCES LIMITED AND TECK AMERICAN INCORPORATED MADE AS OF JULY 19, 2022 - 2 - TABLE OF CONTENTS ARTICLE 1 INTERPRETATION 1 1.1 Definitions 1 1.2 Rules of Interpretation 2 1.3 Ordinary Course of Action 3 1.4 Computation of Time 3 1.5 Currency 3 1.6 Control 3 ARTICLE 2 CONTRIBUTION OF CONTRIBUTED ASSETS A

July 21, 2022 EX-99.67

GLENCORE I N T E R N A T I O N A L A G

EXHIBIT 99.67 GLENCORE I N T E R N A T I O N A L A G To: Mr. Jonathan Cherry, Chairman, President and CEO of PolyMet Mining Corporation Address: 444 Cedar Street, Suite 2060, St. Paul, MN 55101 Cc: Alan R. Hodnik, Chairman of Special Committee 19 July 2022 Re: Teck Transaction; Glencore Support Dear Mr. Cherry, You have informed us of a proposed transaction (the ?Transaction?) between Teck Resourc

July 21, 2022 SC 13D/A

PLM / PolyMet Mining Corp. / Glencore plc Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2(a) (Amendment No. 26)1 PolyMet Mining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 731916102 (CUSIP Number) Stephen Rowland Glencor

July 20, 2022 EX-99.1

PolyMet strikes 50:50 joint venture agreement with Teck Resources Joint Venture to develop NorthMet, further study Mesaba opportunity

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-09 PolyMet strikes 50:50 joint venture agreement with Teck Resources Joint Venture to develop NorthMet, further study Mesaba opportunity ? PolyMet and Teck agree to become equal owners in NewRange Copper Nickel LLC ? PolyMet's NorthMet Project and Teck's Mesa

July 20, 2022 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 July 2022 Commission File Number: 001-32929

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 July 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

July 1, 2022 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 June 2022 Commission File Number: 001-32929

6-K 1 form6k.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 June 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Addr

July 1, 2022 EX-99.1

PolyMet taps Denton Henkelman as Vice President and Project Director

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-08 PolyMet taps Denton Henkelman as Vice President and Project Director St. Paul, Minn., June 30, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, today announced the appointment of Denton Henkelman as vice president and project director. In a career

June 22, 2022 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 June 2022 Commission File Number: 001-32929

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 June 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

June 22, 2022 EX-99.1

Minnesota Court of Appeals dismisses challenge to PolyMet air permit Ruling ends long string of litigation for one of mining project's key permits

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-07 Minnesota Court of Appeals dismisses challenge to PolyMet air permit Ruling ends long string of litigation for one of mining project's key permits St. Paul, Minn., June 21, 2022 - The Minnesota Court of Appeals today granted PolyMet's motion to dismiss the

June 16, 2022 EX-99.1

PolyMet Releases Voting Results of Annual Shareholder Meeting

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-06 PolyMet Releases Voting Results of Annual Shareholder Meeting St. Paul, Minn., June 15, 2022 - The board of directors of PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, re-elected Jon Cherry its chairman following the Annual

June 16, 2022 EX-99.2

Annual Meeting of Holders of Common Shares of PolyMet Mining Corp. (the "Company") June 15, 2022 REPORT OF VOTING RESULTS National Instrument 51-102 Continuous Disclosure Obligations Section 11.3

Annual Meeting of Holders of Common Shares of PolyMet Mining Corp. (the "Company") June 15, 2022 REPORT OF VOTING RESULTS National Instrument 51-102 Continuous Disclosure Obligations Section 11.3 Item 1: Election of Directors The nominees listed on the Management Information Circular dated April 27, 2022 were elected as Directors of the Company to hold office for the ensuing year or until their su

June 16, 2022 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 June 2022 Commission File Number: 001-32929

6-K 1 form6k.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 June 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Addr

May 13, 2022 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 2022 Commission File Number: 001-32929

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 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

May 13, 2022 EX-99.1

PolyMet Mining reports results for period ended March 31, 2022

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-05 PolyMet Mining reports results for period ended March 31, 2022 St. Paul, Minn., May 12, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, today filed its financial results for the three months ended March 31, 2022, and provided a business update. T

May 12, 2022 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

May 12, 2022 EX-99.2

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three months ended March 31, 2022

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS For the three months ended March 31, 2022 PolyMet Mining Corp. Management's Discussion and Analysis As at March 31, 2022 and for the three months ended March 31, 2022 Tabular amounts in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at May 12, 2022 should be read in conjunct

May 12, 2022 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 2022 Commission File Number: 001-32929

6-K 1 form6k.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 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Addre

May 12, 2022 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp.

May 12, 2022 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three months ended March 31, 2022

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three months ended March 31, 2022 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars March 31, 2022 December 31, 2021 ASSETS Current Cash $ 5,331 $ 2,958 Amounts receivable 577 342 Prepaid expenses 1,108 1,089 7,016 4,389 Non-Current Restricted depos

May 6, 2022 EX-99.3

Form of Proxy

May 6, 2022 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, 2022 Commission File Number: 001-32929

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, 2022 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St, Suite 2060, St. Paul, MN, 55101 (Address of principal executive of

May 6, 2022 EX-99.2

Notice and Access Notification to Shareholders

May 6, 2022 EX-99.1

POLYMET MINING CORP. NOTICE OF MEETING INFORMATION CIRCULAR The Annual General Meeting of Shareholders To be held on JUNE 15, 2022 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON JUNE 15, 2022

EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 POLYMET MINING CORP. NOTICE OF MEETING AND INFORMATION CIRCULAR For The Annual General Meeting of Shareholders To be held on JUNE 15, 2022 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON JUNE 15, 2022 Dear Shareholder: You are receiving this notification as PolyMet Mining Corp. ("PolyMet") has elected to use the notice and access model for deli

March 30, 2022 EX-99.2

To: All Canadian Securities Regulatory Authorities

Date: March 29, 2022 510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: POLYMET MINING CORP. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type: Annual General Meeting Record Date for Notice of Meeting: April 27, 2022 Record Date for V

March 30, 2022 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 March 2022 Commission File Number: 001-3292

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 March 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executiv

March 30, 2022 EX-99.1

PolyMet Mining announces departure of Senior VP Richard Lock

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-04 PolyMet Mining announces departure of Senior VP Richard Lock St. Paul, Minn., March 29, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, today announced the resignation of Richard Lock, senior vice president and project director, who was appointed

March 17, 2022 EX-99.14

Consent of Technical Report Author - Thomas J. Radue, P.E.

EXHIBIT 99.14 CONSENT OF TECHNICAL REPORT AUTHOR Thomas J. Radue, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.?s Incorporation by Reference of the ?NorthMet Project Form NI 43-101F1 Technical Report? with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company?s Annual Information Form included

March 17, 2022 EX-99.3

Management's Discussion and Analysis for the years ended December 31, 2021 and 2020

POLYMET MINING CORP. MANAGEMENT'S DISCUSSION AND ANALYSIS Years ended December 31, 2021 and 2020 PolyMet Mining Corp. Management's Discussion and Analysis For the Years Ended December 31, 2021 and 2020 Tabular amounts in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at March 17, 2022 should be read in conjunction with the audited

March 17, 2022 EX-99.1

Annual Information Form for the year ended December 31, 2021

POLYMET MINING CORP. 444 Cedar Street, Suite 2060 St. Paul, Minnesota 55101 Tel: 651-389-4100 Fax: 651-389-4101 Email: [email protected] Website: www.polymetmining.com ANNUAL INFORMATION FORM For the year ended December 31, 2021 Dated as at March 17, 2022 TABLE OF CONTENTS 1. INTRODUCTORY NOTES 1 2. CORPORATE STRUCTURE 3 3. GENERAL DEVELOPMENT OF THE BUSINESS 4 4. DESCRIPTION OF THE BUSINESS

March 17, 2022 EX-99.7

Certification of Principal Executive Officer and Principal Financial Officer pursuant to 17 C.F.R. 240.13a-14(b) and 18 U.S.C. 1350.

EX-99.7 8 exhibit99-7.htm EXHIBIT 99.7 EXHIBIT 99.7 CERTIFICATION Pursuant to 18 United States Code § 1350 As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. Section 1350), as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers hereby certify tha

March 17, 2022 EX-99.16

Consent of Technical Report Author - Herbert E. Welhener, SME-RM

EXHIBIT 99.16 CONSENT OF TECHNICAL REPORT AUTHOR Herbert E. Welhener, SME-RM To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.'s Incorporation by Reference of the "NorthMet Project Form NI 43-101F1 Technical Report" with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company's Annual Information Form inc

March 17, 2022 EX-99.8

Consent of Deloitte & Touche, LLP

EXHIBIT 99.8 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-192208 on Form S-8 and to the use of our reports dated March 17, 2022, relating to the financial statements of PolyMet Mining Corp. and the effectiveness of PolyMet Mining Corp.?s internal control over financial reporting appearing in this Annual Repo

March 17, 2022 EX-99.11

Consent of Technical Report Author - Nicholas Dempers, Pr. Eng., SAIMM

EXHIBIT 99.11 CONSENT OF TECHNICAL REPORT AUTHOR Nicholas Dempers, Pr.Eng., SAIMM To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.'s Incorporation by Reference of the "NorthMet Project Form NI 43-101F1 Technical Report" with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company's Annual Information For

March 17, 2022 EX-99.5

Certification of Principal Executive Officer pursuant to 17 C.F.R. 240.13a-14(a)

EX-99.5 6 exhibit99-5.htm EXHIBIT 99.5 EXHIBIT 99.5 CERTIFICATION I, Jonathan Cherry, certify that: 1. I have reviewed this Annual Report on Form 40-F of PolyMet Mining Corp. ("the Company"); 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 the circumstances under which

March 17, 2022 EX-99.4

Mine Safety Disclosure

EXHIBIT 99.4 Disclosure of Mine Safety and Health Administration ("MSHA") Safety Data PolyMet is committed to the health and safety of its employees and in providing an incident free workplace. The Company maintains a comprehensive health and safety program that includes extensive training for all employees and contractors, site inspections, emergency response preparedness, crisis communications t

March 17, 2022 EX-99.12

Consent of Technical Report Author - Thomas L. Drielick, P.E.

EXHIBIT 99.12 CONSENT OF TECHNICAL REPORT AUTHOR Thomas L. Drielick, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.'s Incorporation by Reference of the "NorthMet Project Form NI 43-101F1 Technical Report" with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company's Annual Information Form includ

March 17, 2022 EX-99.1

PolyMet Mining reports results for year ended December 31, 2021

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-03 PolyMet Mining reports results for year ended December 31, 2021 St. Paul, Minn., March 17, 2022 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, today reports it has filed its financial results for the year ended December 31, 2021, and provides a first

March 17, 2022 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 ? 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, 2021 Commission file number 001-32929 POLYMET MINING CORP. (Exact name of Registrant as specified i

March 17, 2022 EX-99.13

Consent of Technical Report Author - M3 Engineering & Technology Corporation

EXHIBIT 99.13 CONSENT OF TECHNICAL REPORT AUTHOR M3 Engineering & Technology Corporation To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.?s Incorporation by Reference of the ?NorthMet Project Form NI 43-101F1 Technical Report? with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company?s Annual Informat

March 17, 2022 EX-99.15

Consent of Technical Report Author - Jeff S. Ubl, P.E.

EXHIBIT 99.15 CONSENT OF TECHNICAL REPORT AUTHOR Jeff S. Ubl, P.E. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.?s Incorporation by Reference of the ?NorthMet Project Form NI 43-101F1 Technical Report? with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company?s Annual Information Form included as a

March 17, 2022 EX-99.6

Certification of Principal Financial Officer pursuant to 17 C.F.R. 240.13a-14(a)

EXHIBIT 99.6 CERTIFICATION I, Patrick Keenan, certify that: 1. I have reviewed this Annual Report on Form 40-F of PolyMet Mining Corp. ("the Company"); 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 the circumstances under which such statements were made, not misleadi

March 17, 2022 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 March 2022 Commission File Number: 001-3292

6-K 1 form6k.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 March 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Add

March 17, 2022 EX-99.10

Consent of Technical Report Author - Jennifer J. Brown, P.G.

EXHIBIT 99.10 CONSENT OF TECHNICAL REPORT AUTHOR Jennifer J. Brown, P.G. To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.'s Incorporation by Reference of the "NorthMet Project Form NI 43-101F1 Technical Report" with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company's Annual Information Form include

March 17, 2022 EX-99.9

Consent of Technical Report Author - Zachary J. Black, SME-RM

EXHIBIT 99.9 CONSENT OF TECHNICAL REPORT AUTHOR Zachary J. Black, SME-RM To: PolyMet Mining Corp. To: United States Securities and Exchange Commission Re: PolyMet Mining Corp.'s Incorporation by Reference of the "NorthMet Project Form NI 43-101F1 Technical Report" with effective date March 26, 2018 and inclusion of references to the Technical Report in the Company's Annual Information Form include

March 17, 2022 EX-99.2

Consolidated Financial Statements for the years ended December 31, 2021 and 2020

POLYMET MINING CORP. CONSOLIDATED FINANCIAL STATEMENTS Years ended December 31, 2021 and 2020 Management's Responsibility for Consolidated Financial Statements The accompanying Consolidated Financial Statements of PolyMet Mining Corp. (the "Company") are the responsibility of management. The Consolidated Financial Statements have been prepared by management in accordance with International Financi

February 16, 2022 EX-99.1

JOINT FILING AGREEMENT

EXHIBIT 99.1 JOINT FILING AGREEMENT Each of the undersigned hereby agrees that this Amendment No. 25 to the statement on Schedule 13D is being filed with the United States Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k) under the United States Securities Exchange Act of 1934, as amended. Dated: February 16, 2022 Glencore AG By: /s/ Carlos Perezagua

February 16, 2022 EX-99.66

EX-99.66

Exhibit 99.66

February 16, 2022 SC 13D/A

PLM / PolyMet Mining Corp. / Glencore plc - SC 13D/A Activist Investment

SC 13D/A 1 tm226972d1sc13da.htm SC 13D/A Page 1 of 28 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 25)* PolyMet Mining Corp. (Name of Issuer) Common Shares, without par value (Title of Class of Securities) 731916102 (CUSIP Number) Stephen Rowland Glencore International AG Baarermattstrasse 3 CH-6340

February 16, 2022 EX-99.65

EX-99.65

Exhibit 99.65

February 15, 2022 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 February 2022 Commission File Number: 001-3

6-K 1 form6k.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 February 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (

February 15, 2022 EX-99.1

PolyMet secures up to USD$40 million convertible debentures

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-02 PolyMet secures up to USD$40 million convertible debentures St. Paul, Minn., February 14, 2022 - PolyMet Mining Corp., TSX: POM; NYSE American: PLM, and its wholly owned subsidiary Poly Met Mining, Inc. (together "PolyMet" or the "company") announced today

February 14, 2022 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 January 2022 Commission File Number: 001-32

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 January 2022 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execut

February 14, 2022 EX-99.1

Court of Appeals rules favorably on Polymet Water Permit MPCA to conduct "Maui" test

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2022-01 Court of Appeals rules favorably on Polymet Water Permit MPCA to conduct "Maui" test St. Paul, Minn., January 24, 2022 - The Minnesota Court of Appeals today affirmed nearly all aspects of the water discharge permit for the NorthMet Project, overruling six

December 20, 2021 EX-99.1

Minnesota activates PolyMet Air Permit

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-14 Minnesota activates PolyMet Air Permit St. Paul, Minn., December 20, 2021 - The Minnesota Pollution Control Agency today issued supplemental findings supporting its conclusions for the air permit for the NorthMet Project, satisfying a Court of Appeals orde

December 20, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORTs OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-

6-K 1 form6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORTs OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101

December 13, 2021 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 December 2021 Commission File Number: 001-3

6-K 1 form6k.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 December 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (

December 13, 2021 EX-99.1

Glencore executive Matthew Rowlinson named to PolyMet board of directors

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-13 Glencore executive Matthew Rowlinson named to PolyMet board of directors St. Paul, Minn., December 10, 2021 - PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, today announced the appointment of Glencore executive Matthew Rowl

November 17, 2021 40-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM 40-F ? 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, 2020 Commission file number 001-32929 POLYMET MINING CORP. (Exact name of Regist

November 17, 2021 EX-99.8

Consent of Deloitte & Touche LLP

EXHIBIT 99.8 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in Registration Statement No. 333-192208 on Form S-8 and to the use of our reports dated March 18, 2021, relating to the financial statements of PolyMet Mining Corp. and the effectiveness of PolyMet Mining Corp.'s internal control over financial reporting appearing in this Amendment N

November 17, 2021 EX-99.5

Certification of Principal Executive Officer pursuant to 17 C.F.R. 240.13a-14(a)

EXHIBIT 99.5 CERTIFICATION I, Jonathan Cherry, certify that: 1. I have reviewed this Amendment No. 1 to the Annual Report on Form 40-F of PolyMet Mining Corp. ("the Company"); 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 the circumstances under which such statements

November 17, 2021 EX-99.2

Consolidated Financial Statements for the years ended December 31, 2020 and 2019

EXPLANATORY NOTE The Consolidated Financial Statements of PolyMet Mining Corp. for the year ended December 31, 2020 (the "Annual Financial Statements") were originally filed on EDGAR and SEDAR on March 18, 2021. This amendment to the Annual Financial Statements (the "Refiled Annual Financial Statements") is being filed solely to include Deloitte & Touche LLP's amended audit opinion to include the

November 17, 2021 EX-99.7

Certification of Principal Executive Officer and Principal Financial Officer pursuant to 17 C.F.R. 240.13a-14(b) and 18 U.S.C. 1350.

EXHIBIT 99.7 CERTIFICATION Pursuant to 18 United States Code ? 1350 As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. Section 1350), as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers hereby certify that the Amendment No. 1 to the Annual Rep

November 17, 2021 EX-99.6

Certification of Principal Financial Officer pursuant to 17 C.F.R. 240.13a-14(a)

EXHIBIT 99.6 CERTIFICATION I, Patrick Keenan, certify that: 1. I have reviewed this Amendment No. 1 to the Annual Report on Form 40-F of PolyMet Mining Corp. ("the Company"); 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 the circumstances under which such statements

November 4, 2021 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and nine months ended September 30, 2021

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and nine months ended September 30, 2021 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars September 30, 2021 December 31, 2020 ASSETS Current Cash $ 7,490 $ 3,554 Amounts receivable 352 385 Prepaid expenses 717 1,203 8,559 5,142 Non-Current R

November 4, 2021 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

EX-99.4 5 exhibit99-4.htm EXHIBIT 99.4 Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of PolyMet Mining Corp. (the "issuer") for the interim period ended Se

November 4, 2021 EX-99.2

POLYMET MINING CORP. MANAGEMENT DISCUSSION AND ANALYSIS For the three and nine months ended September 30, 2021

POLYMET MINING CORP. MANAGEMENT DISCUSSION AND ANALYSIS For the three and nine months ended September 30, 2021 PolyMet Mining Corp. Management Discussion and Analysis As at September 30, 2021 and for the three and nine months ended September 30, 2021 Tabular amounts in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at November 4, 2

November 4, 2021 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 November 2021 Commission File Number: 001-3

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 November 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal execu

November 4, 2021 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp.

November 4, 2021 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 November, 2021 Commission File Number: 001-

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 November, 2021 Commission File Number: 001-32929 PolyMet Mining Corp. (Translation of registrant's name into English) 444 Cedar St, Suite 2060, St. Paul, MN, 55101 (Address of principal executi

November 4, 2021 EX-99.1

PolyMet Mining reports results for period ended September 30, 2021

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-12 PolyMet Mining reports results for period ended September 30, 2021 St. Paul, Minn., November 4, 2021 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, has filed its financial results for the three and nine months ended September 30, 2021. During the per

August 5, 2021 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

EX-99.3 4 exhibit99-3.htm EXHIBIT 99.3 Form 52-109F2 Certification of Interim Filings Full Certificate I, Jonathan Cherry, Chairman, President and Chief Executive Officer of PolyMet Mining Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the "interim filings") of PolyMet Mining Corp. (the "issuer") for the interim period ended June 3

August 5, 2021 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

August 5, 2021 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 August 2021 Commission File Number: 001-329

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 August 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executi

August 5, 2021 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 August 2021 Commission File Number: 001-329

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 August 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executi

August 5, 2021 EX-99.1

PolyMet Mining reports results for period ended June 30, 2021

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-11 PolyMet Mining reports results for period ended June 30, 2021 St. Paul, Minn., August 5, 2021 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, has filed its financial results for the three and six months ended June 30, 2021. During the period, the comp

August 5, 2021 EX-99.2

POLYMET MINING CORP. MANAGEMENT DISCUSSION AND ANALYSIS For the three and six months ended June 30, 2021

POLYMET MINING CORP. MANAGEMENT DISCUSSION AND ANALYSIS For the three and six months ended June 30, 2021 PolyMet Mining Corp. Management Discussion and Analysis As at June 30, 2021 and for the three and six months ended June 30, 2021 Tabular amounts in thousands of U.S. Dollars, except for shares and per share amounts General The following information, prepared as at August 5, 2021 should be read

August 5, 2021 EX-99.1

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and six months ended June 30, 2021

POLYMET MINING CORP. CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS For the three and six months ended June 30, 2021 PolyMet Mining Corp. Condensed Interim Consolidated Balance Sheets Unaudited - All figures in thousands of U.S. Dollars June 30, 2021 December 31, 2020 ASSETS Current Cash $ 2,794 $ 3,554 Amounts receivable 396 385 Prepaid expenses 921 1,203 4,111 5,142 Non-Current Restricted d

July 19, 2021 EX-99.1

PolyMet statement on today's Minnesota Court of Appeals decision

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-10 PolyMet statement on today's Minnesota Court of Appeals decision St. Paul, Minn., July 19, 2021 - Poly Met Mining, Inc., a wholly-owned subsidiary of PolyMet Mining Corp. (together PolyMet or the company) TSX: POM; NYSE American: PLM, issued the following

July 19, 2021 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 July 2021 Commission File Number: 001-32929

6-K 1 form6k.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 July 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Addr

June 17, 2021 EX-99.2

Annual and Special Meeting of Holders of Common Shares of PolyMet Mining Corp. (the "Company") June 16, 2021 REPORT OF VOTING RESULTS National Instrument 51-102 Continuous Disclosure Obligations Section 11.3

Annual and Special Meeting of Holders of Common Shares of PolyMet Mining Corp. (the "Company") June 16, 2021 REPORT OF VOTING RESULTS National Instrument 51-102 Continuous Disclosure Obligations Section 11.3 Item 1: Election of Directors The nominees listed on the Management Information Circular dated April 28, 2021 were elected as Directors of the Company to hold office for the ensuing year or un

June 17, 2021 EX-99.1

PolyMet Releases Voting Results of Annual Shareholder Meeting

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-09 PolyMet Releases Voting Results of Annual Shareholder Meeting St. Paul, Minn., June 16, 2021 - The board of directors of PolyMet Mining Corp. ("PolyMet" or the "company") TSX: POM; NYSE American: PLM, re-elected Jon Cherry its chairman following the Annual

June 17, 2021 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 June 2021 Commission File Number: 001-32929

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 June 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

June 4, 2021 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 June 2021 Commission File Number: 001-32929

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 June 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

June 4, 2021 EX-99.1

EPA decision sets up potential review of PolyMet wetlands permit Company looks forward to presenting scientific evidence showing no downstream water quality effects

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-08 EPA decision sets up potential review of PolyMet wetlands permit Company looks forward to presenting scientific evidence showing no downstream water quality effects St. Paul, Minn., June 4, 2021 - The Environmental Protection Agency today concluded that Po

May 28, 2021 EX-99.1

PolyMet Mining files materials in connection with Annual General and Special Meeting of Shareholders

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-07 PolyMet Mining files materials in connection with Annual General and Special Meeting of Shareholders St. Paul, Minn., May 28, 2021 - PolyMet Mining Corp. ("PolyMet" or the "company") (TSX: POM; NYSE American: PLM), has filed its notice of meeting and manag

May 28, 2021 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 2021 Commission File Number: 001-32929

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 2021 Commission File Number: 001-32929 POLYMET MINING CORP. (Translation of registrant's name into English) 444 Cedar Street, Suite 2060, St. Paul, MN 55101 (Address of principal executive

May 6, 2021 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Patrick Keenan, Executive Vice President and Chief Financial Officer of PolyMet Mining Corp.

May 6, 2021 EX-99.1

PolyMet Mining reports results for period ended March 31, 2021

444 Cedar Street, Suite 2060, St. Paul, MN 55101 Tel: +1 (651) 389-4100 www.polymetmining.com TSX: POM, NYSE American: PLM NEWS RELEASE 2021-05 PolyMet Mining reports results for period ended March 31, 2021 St. Paul, Minn., May 6, 2021 - PolyMet Mining Corp. TSX: POM; NYSE American: PLM, today reports it has filed its financial results for the three months ended March 31, 2021 and provides a busin

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