Exhibit 99.1

JOINT FILING AGREEMENT

We, the signatories of the Statement on Schedule 13G to which this Joint Filing Agreement is attached, hereby agree that such Statement is, and any amendments thereto filed by any of us will be, filed on behalf of each of us pursuant to and in accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, and further agree that this Joint Filing Agreement be included as Exhibit 99.1 to such Schedule 13G.

Date: February 14, 2024

BHP GROUP LIMITED
By:	/s/ Stefanie Wilkinson
	Name: Stefanie Wilkinson
	Title: Group Company Secretary
BHP MANGANESE AUSTRALIA PTY LTD
By:	/s/ Stephen Barley
	Name: Stephen Barley
	Title: Director
WMC CORPORATE SERVICES INC.
By:	/s/ Leslie Arnold
	Name: Leslie Arnold
	Title: Director

[Joint Filing Agreement]