PolyMet Mining Corp.: IRANNOTICE - Filed by newsfilecorp.com

100 King Street West, Suite 5700, Toronto, Ontario, Canada, M5X 1C7
Tel: +1 (416) 915-4149
444 Cedar Street, Suite 2060, St. Paul, MN 55101
Tel: +1 (651) 389-4100
www.polymetmining.com

April 21, 2016

VIA EDGAR

U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Re: Notice of Disclosure Filed in Annual Report on Form 20-F Under
  Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and
  Section 13(r) of the Exchange Act

Ladies and Gentlemen:

Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended, notice is hereby provided that PolyMet Mining Corp. has made disclosure pursuant to such provisions in its Annual Report on Form 20-F for the fiscal year ended January 31, 2016, which was filed with the U.S. Securities and Exchange Commission on April 21, 2016.

PolyMet Mining Corp.

By: /s/ Douglas J. Newby
Name: Douglas J. Newby
Title: Chief Financial Officer