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Lithium Americas is a North American resource and materials company focused on developing, building, and operating lithium deposits and chemical processing facilities. The company’s flagship asset, Thacker Pass, is located in Humboldt County in northern Nevada and is the world’s largest known measured lithium source and reserve. We are focused on safely and responsibly developing Thacker Pass to production to help strengthen national security and enable cleaner energy sources. We are committed to minimizing environmental impact, creating family-supporting jobs, and maximizing sustainable value for our stakeholders.

Buyer Company Overview Lithium Americas is a North American resource and materials company focused on developing, building and operating lithium deposits and chemical processing facilities. The company’s flagship asset, Thacker Pass, is located in Humboldt County in northern Nevada and is the world’s largest known measured lithium resource and reserve. We are focused on safely and responsibly developing Thacker Pass to production to help strengthen national security and enable cleaner energy sources. We are committed to minimizing environmental impact, creating family-supporting jobs and maximizing sustainable value for our stakeholders. Lithium Americas is headquartered in Vancouver, British Columbia and operates in the U.S., with offices in Reno, NV and Winnemucca, NV. The Company’s shares are listed on the Toronto Stock Exchange (TSX) and New York Stock Exchange (NYSE) under the symbol LAC.

Our Purpose, Vision and Values Our purpose, vision and values are the guiding principles that will serve as the cornerstone of our company’s future direction and operations, aligning our team and organization towards our common goals. Our Purpose is to safely and sustainably produce lithium from Thacker Pass to enable North America to reduce dependence on foreign critical minerals and drive value for our stakeholders. Our Vision is to be North America’s leading lithium producer to enable cleaner energy sources. Our Values include Act with Integrity, Be Responsible and Act with Care, Commit to Excellence and Drive Innovation, and Be a Collaborative Partner.

Role We are seeking a Buyer to join our team. In this role, you will be responsible for executing the full purchasing cycle to support operational, maintenance, and project needs across the site. This includes sourcing, evaluating, and procuring materials, equipment, and consumables; managing Purchase Orders; and ensuring the timely and reliable delivery of critical goods to site. This is a unique opportunity to contribute to a mission-driven organization committed to innovation, sustainability, and leadership in the clean energy sector. The role is based at our Winnemucca office and reports to the Supply Chain Manager. Occasional travel to other LAC offices, project sites, vendor locations, or other may be required.

• Source and procure materials, parts, equipment, and consumables in accordance with approved requisitions, specifications, and demand plans.
• Prepare and issue Requests for Quotes (RFQs); collect, analyze, and evaluate vendor bids to support best value purchasing decisions.
• Negotiate pricing, lead times, and commercial terms to optimize cost, quality, and delivery performance.
• Create, review, and issue Purchase Orders (POs) in the ERP system, ensuring accuracy of pricing, terms, delivery dates, and financial coding.
• Track open purchase orders, expedite urgent requirements, and proactively manage delivery schedules to support operational, maintenance, and project needs.
• Develop and maintain strong working relationships with suppliers to ensure reliable supply, quality performance, and responsive service.
• Resolve supplier-related issues including late deliveries, shortages, non‑conformances, and product quality concerns.
• Support supplier onboarding by collecting and verifying required documentation such as W‑9s, insurance certificates, safety records, and compliance forms.
• Monitor and report on supplier performance, including on‑time delivery, responsiveness, and quality metrics.
• Support Supplier Relationship Management (SRM) program and KPI and metric input and reviews for suppliers.
• Identify and support cost‑reduction opportunities through competitive bidding, supplier consolidation, and effective negotiation.
• Ensure purchasing activities comply with Procurement Policy, Delegation of Authority, internal controls (including SOX, if applicable), and audit requirements.
• Maintain accurate and complete procurement records, including quotes, pricing files, supplier communications, and purchase documentation.
• Collaborate with Operations, Maintenance, Business, and Engineering teams to clarify technical requirements and material specifications.
• Coordinate with Warehouse and Materials Management to confirm inventory levels, delivery requirements, and receiving issues.
• Partner with Finance and Accounts Payable to resolve invoice discrepancies, purchase order matching issues, and coding corrections.
• Provide pricing, lead‑time, and supplier data to support planning, budgeting, and forecasting activities.
• Builds and maintains trusted relationships across all teams while championing a culture that reflects and supports our Purpose, Vision, and Values.
• Perform other duties as assigned.

• 2–5+ years of purchasing or procurement experience in mining, industrial manufacturing, construction, or similar heavy‑industry environments.
• Bachelor’s degree in Supply Chain, Business, Engineering, or a related field preferred; independent combination of education and experience will be considered.
• Experience working in a high‑volume, time‑sensitive procurement setting.
• Familiarity with Master Service Agreements (MSAs), commercial terms, and basic contracting concepts is considered an asset.
• High attention to detail with a strong focus on accuracy in documentation and purchasing records.
• Strong communication, collaboration, and relationship‑building skills with internal stakeholders and external suppliers.
• Ability to manage competing priorities and deadlines in a fast‑paced operational and project‑driven environment.
• Ability to read and interpret technical specifications, drawings, and material requirements.
• Strong negotiation skills with the ability to perform basic commercial and cost analysis.
• Proficiency with ERP systems and Microsoft Office applications (Excel , Word , Outlook).

Working at Lithium Americas At Lithium Americas, we believe our people are our most valuable asset. We offer a collaborative and inclusive work environment, with opportunities for long‑term growth and skills development. We are committed to building a diverse and respectful workplace and strongly encourage applications from individuals of all backgrounds.

Lithium Americas is an Equal Opportunity Employer. We do not discriminate based on race, gender, disability, age, veteran status, religion, sexual orientation, or any other protected status. All qualified applicants will receive consideration for employment.

Lithium Americas is a North American resource and materials company focused on developing, building, and operating lithium deposits and chemical processing facilities. The company's flagship asset, Thacker Pass, is located in Humboldt County in northern Nevada and is the world's largest known measured lithium source and reserve. We are focused on safely and responsibly developing Thacker Pass to production to help strengthen national security and enable cleaner energy sources. We are committed to minimizing environmental impact, creating family-supporting jobs, and maximizing sustainable value for our stakeholders.