Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13D. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 7^th day of December, 2021.

VEDANTA RESOURCES LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Company Secretary
VEDANTA RESOURCES HOLDINGS LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Director
TWIN STAR HOLDINGS LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Director
VOLCAN INVESTMENTS LIMITED
By:	/s/ Lawrence Collie
Name:	Lawrence Collie
Title:	Director

Signature Page to Joint Filing Agreement

ANIL AGARWAL DISCRETIONARY TRUST
By:	/s/ Lawrence Collie
Name:	Lawrence Collie
Title:	Director of Trustee
CONCLAVE PTC LIMITED
By:	/s/ Lawrence Collie
Name:	Lawrence Collie
Title:	Director
FINSIDER INTERNATIONAL COMPANY LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Director
WESTGLOBE LIMITED
By:	/s/ Sevin Chendriah
Name:	Sevin Chendriah
Title:	Director
WELTER TRADING LIMITED
By:	/s/ Alexis Tsielepis
Name:	Alexis Tsielepis
Title:	Director
RICHTER HOLDING LIMITED
By:	/s/ Sanjay Pandit
Name:	Sanjay Pandit
Title:	Director
VEDANTA RESOURCES CYPRUS LIMITED
By:	/s/ Sanjay Pandit
Name:	Sanjay Pandit
Title:	Director

Signature Page to Joint Filing Agreement

VEDANTA RESOURCES FINANCE LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Director
VEDANTA HOLDINGS MAURITIUS II LIMITED
By:	/s/ Ashwanee Ramsurrun
Name:	Ashwanee Ramsurrun
Title:	Director
VEDANTA HOLDINGS JERSEY LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Director
VEDANTA HOLDINGS MAURITIUS LIMITED
By:	/s/ Ashwanee Ramsurrun
Name:	Ashwanee Ramsurrun
Title:	Director
VEDANTA UK INVESTMENTS LIMITED
By:	/s/ Deepak Kumar
Name:	Deepak Kumar
Title:	Director
VEDANTA NETHERLAND INVESTMENTS BV
By:	/s/ E.S. Anink-Tjon Kwan Paw on behalf of
Name:	Amicorp Netherlands B.V.
Title:	Director
ANIL AGARWAL
By:	/s/ Anil Agarwal

Signature Page to Joint Filing Agreement