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: 001-32929

PolyMet Mining Corp.
(Translation of registrant's name into English)

444 Cedar St., Suite 2060, St. Paul, MN, 55101
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

[] Form 20-F   [ x ] Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): []

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): []

EXPLANATORY NOTE

This report on Form 6-K and attached exhibit are incorporated by reference into Registration Statement No. 333-192208 and this report on Form 6-K shall be deemed a part of such registration statement from the date on which this report on Form 6-K is filed, to the extent not superseded by documents or reports subsequently filed or furnished by PolyMet Mining Corp. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

SUBMITTED HEREWITH

Exhibits

99.1 Notice of Meeting and Record Date

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	PolyMet Mining Corp.
	(Registrant)
Date: September 12, 2023	By:	/s/ Jonathan Cherry
		Jonathan Cherry
	Title:	Chairman, President and CEO

EX-99.1

Date: September 12, 2023
510Burrard St. 3^rd 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 Voting (if applicable) :	September 22, 2023
Beneficial Ownership Determination Date :	September 22, 2023
Meeting Date :	November 1, 2023
Meeting Location (if available) :	Hybrid
Issuer sending proxy related materials directly to NOBO:	No
Issuer paying for delivery to OBO:	Yes
Notice and Access (NAA) Requirements:
NAA for Beneficial Holders	No
NAA for Registered Holders	No
Voting Security Details:

Description	CUSIP Number	ISIN
COMMON CLASS	731916409	CA7319164090

Sincerely,

Computershare

Agent for POLYMET MINING CORP.