EX-99.1 2 tm2029087d1_ex99-1.htm EXHIBIT 99.1

EXHIBIT 99.1

JOINT FILING AGREEMENT

Each of the undersigned hereby agrees that this Amendment No. 24 to the statement on Schedule 13D is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Date: August 20, 2020

	Glencore AG
	By:	/s/ Martin Haering
	Name:	Martin Haering
	Title:	Director
	By:	/s/ Stephan Huber
	Name:	Stephan Huber
	Title:	Director
	Glencore International AG
	By:	/s/ Martin Haering
	Name:	Martin Haering
	Title:	Officer
	By:	/s/ Robin Scheiner
	Name:	Robin Scheiner
	Title:	Officer
	Glencore plc
	By:	/s/ Ivan Glasenberg
	Name:	Ivan Glasenberg
	Title:	CEO
	By:	/s/ John Burton
	Name:	John Burton
	Title:	Company Secretary