Independent practitioner’s reasonable assurance report of Teck Resources Limited’s Performance Statement of Red Dog

Effective COI AAA ● Made enquiries and conducted interviews of Engagement and management of RDO to: Dialogue ○ Observe their understanding and implementation of policies and practices in place for COI engagement and dialogue. [...] ● Obtained and inspected policies and management programs to review the alignment of policies and commitments with the MAC Safety and Health Framework. [...] ● Reviewed and inspected the programs for monitoring and tracking the risks and controls related to health and safety. [...] suppliers to ● Obtained and inspected Teck's operate Expectations for Suppliers and responsibly and to Contractors to confirm that policies and standards of practices are in place to define their ethics, safety, expectations in the value chain with health, human respect to health and safety, rights, and social environmental, human rights, and labour and environmental practices. [...] eliminating ● Conducted interviews with RDO harassment and management to observe their discrimination, understanding of the organization’s respecting freedom policies, availability of relevant policies of association and and training and mechanisms in place to collective respect the right to freedom of association bargaining, and and collective bargaining.