Form 6-K POLYMET MINING CORP For: Apr 15

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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, 2015

Commission File Number: 001-32929

POLYMET MINING CORP.
(Translation of registrant's name into English)

100 King Street, Suite 5700
Toronto, ON Canada M5X 1C7
(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.

[ X ] Form 20-F   [               ] 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 Statements No. 333-185071 and No. 333-192208 and this report on Form 6-K shall be deemed a part of such registration statements from the date on which this report on Form 6-K is filed, to the extent not superseded by documents or reports subsequently filed or furnished by PolyMet Mining Corp.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.

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SUBMITTED HEREWITH

Exhibits

99.1

Notice of the Meeting and Record Date

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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: April 15, 2015	By:	/s/ Jonathan Cherry
		Jonathan Cherry
	Title:	President and CEO

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	510 Burrard St, 3rd Floor
Date: April 15, 2015	Vancouver BC, V6C 3B9
	www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: Polymet Mining Corp.

Dear Sirs:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type :	Annual General and Special Meeting
Record Date for Notice of Meeting :	May 20, 2015
Record Date for Voting (if applicable) :	May 20, 2015
Beneficial Ownership Determination Date :	May 20, 2015
Meeting Date :	July 15, 2015
	Hilton Toronto, The York Room,
Meeting Location (if available) :	145 Richmond Street West,
	Toronto, Ontario
Issuer sending proxy related materials directly to NOBO:	No
Issuer paying for delivery to OBO:	No

Notice and Access (NAA) Requirements:

	NAA for Beneficial Holders	Yes
	Beneficial Holders Stratification Criteria:	Not Applicable
	NAA for Registered Holders	Yes
	Registered Holders Stratification Criteria:	Not Applicable

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON SHARES	731916102	CA7319161021

Sincerely,

Computershare

Agent for Polymet Mining Corp.

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