Quarterly Activities/Appendix 5B Cash Flow Report

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Stock Cobalt Blue Holdings Ltd (COB.ASX)
Release Time 29 Apr 2026, 2:38 p.m.
Price Sensitive Yes
 Cobalt Blue Progresses Kwinana Refinery, Broken Hill Project
Key Points
  • Kwinana Cobalt Refinery: Cobalt sulphate samples meet stringent specifications
  • Broken Hill Cobalt Project: Preliminary feasibility study underway
  • Broken Hill Technology Centre: Collaboration with CSIRO on graphite recovery
Full Summary

Cobalt Blue Holdings Limited (ASX: COB) has provided a quarterly update on its key projects and activities. The company continues to progress towards a Final Investment Decision (FID) for the Kwinana Cobalt Refinery (KCR), with confirmation that cobalt sulphate samples produced at the Broken Hill Technology Centre (BHTC) have met stringent trace-metal purity and physical specifications. This is a significant milestone as the company works towards offtake agreements and FID. The company has also applied for the KCR to be recognized as a strategic project under the EU Critical Raw Materials Act, which could open additional project financing opportunities. Cobalt Blue is advancing the Broken Hill Cobalt Project (BHCP), with preparations underway to commence a Preliminary Feasibility Study (PFS) to evaluate and optimize project scale, capital intensity, and staged development pathways. The company is also continuing systematic validation of the draft Environmental Impact Statement for the BHCP. At the BHTC, Cobalt Blue is collaborating with the CSIRO on a program to recover and purify graphite from battery black mass, positioning the company to help establish sovereign Australian capability in this area. The company has also entered into a consortium agreement with Glomar Minerals LLC to advance a polymetallic nodule processing facility in the United States, leveraging Cobalt Blue's minerals processing expertise.

Outlook

Cobalt Blue continues to progress its key projects, including the Kwinana Cobalt Refinery, Broken Hill Cobalt Project, and collaboration with CSIRO and Glomar Minerals. The company is focused on achieving key milestones, such as finalizing offtake agreements and completing the Preliminary Feasibility Study for the Broken Hill Cobalt Project, to advance these initiatives.