NOA Lithium hires Montgomery to begin Rio Grande work

Executive Summary

• NOA Lithium Brines Inc. has engaged Montgomery & Associates (M&A) to initiate key activities for the hydrogeological model of the Rio Grande salar, marking the start of work toward a Preliminary Feasibility Study (PFS).
• The PFS is scheduled for completion before the end of 2026, with the initial basin water balance report targeted for completion by the end of Q1 2026.
• This engagement represents a significant milestone in the project's journey to feasibility, building on M&A's ongoing work since 2023.

Key Details

• Contractor Engagement: NOA Lithium Brines Inc. engaged Montgomery & Associates (M&A) to perform key activities for the hydrogeological model supporting the Preliminary Feasibility Study (PFS).
• Project Timeline: The PFS is planned to be completed before the end of 2026.
• Immediate Deliverable: The first preliminary task is the preparation of a basin water balance report, which quantifies total inflows, outflows, and storage changes of water within the project site. This report is scheduled to be completed before the end of Q1 2026.
• Contractor Background: M&A has been working on the Rio Grande project since 2023 and possesses extensive experience in Argentina and the region, including work on multiple producing and development-stage lithium brine projects.
• Project Portfolio: NOA holds one of the largest lithium brine claim portfolios in the Lithium Triangle (Salta, Argentina), totaling over 140,000 hectares across three prospective salars: Rio Grande, Arizaro, and Salinas Grandes.

Notable Quotes

• "This is another milestone in Rio Grande's journey to feasibility. Our goal this year remains to complete the PFS and this event marks the initiation of the activities necessary to achieve this." — Gabriel Rubacha, Chief Executive Officer