Management - Labor Relations (Tables)

12 Months Ended

Dec. 31, 2022

Risks and Uncertainties [Abstract]

Schedule of operations with employees represented by labor unions

The following table presents the Company’s active and inactive mining operations as of December 31, 2022 in which the employees are represented by organized labor unions:

Mine	Approximate Number of Active Employees Represented	Union	Current Agreement Expiration Date or Date Amendable
U.S.
Kayenta	20	UMWA	November 2024
Shoal Creek	330	UMWA	December 2024
Australia
Wilpinjong	465	CFMMEU	June 2024
Coppabella	330	CFMMEU	February 2026
Moorvale (1)	225	N/A	June 2023
Metropolitan
Underground employees	150	CFMMEU	May 2025
Handling and preparation plant employees (2)	20	CFMMEU	May 2021
Wambo Underground
Underground employees	120	CFMMEU	November 2025
Handling and preparation plant employees	20	CFMMEU	August 2025

(1)    Employees of the Moorvale Mine operate on individual contracts under a direct engagement model. Such contracts are modeled after the Company’s former labor agreement with CFMMEU which ended in 2017. According to a memorandum of understanding between the Company and employees, individual contracts may be renegotiated in June 2023.

(2)    The Company, employees and the CFMMEU are currently negotiating a new labor agreement.