Quarterly Activities and Cashflow Report

• Optimized mine plan for Grants to deliver first ore within one month, accelerate revenue and reduce pre-production capital by $35-$45 million
• Updated Grants Ore Reserve increases total Finniss Ore Reserve to 15.6Mt at 1.27% Li2O
• Technical studies advancing to support Final Investment Decision for Finniss Lithium Project

Core Lithium Ltd (ASX: CXO) has provided its quarterly activities report for the quarter ended 31 December 2025. The key highlights include:- Optimized mine plan for Grants is expected to deliver first ore within one month of operations, accelerating revenue and reducing Finnis Lithium Project pre-production capital by $35 - $45 million.- Updated Ore Reserve Estimate for Grants based on this new mine plan increases total Finniss Ore Reserve Estimate to 15.6Mt at 1.27% Li2O.- Technical studies to support a positive Final Investment Decision (FID) for the Finniss Lithium Project are advancing as planned, with the focus now transitioning to final engineering design and operational readiness activities.- Strategic funding process advancing with continued interest and engagement with a range of high-quality potential funding partners.- Successful divestment of non-core uranium assets to Elevate Uranium Ltd for $5 million (cash and shares) plus a 1.0% Net Smelter Royalty for the Napperby Project.- Cash balance of $48.7 million at 31 December 2025 (30 September 2025: $35.9 million).The company has also provided updates on its sustainability efforts, financial position, and exploration activities.

Core enters the 2026 calendar year focused on concluding operational readiness and funding workstreams, with the objective of enabling a Final Investment Decision for Finniss and a subsequent restart of operations.