MANAGEMENT BACK PROJECT WITH SIGNIFICANT ON MARKET PURCHASES Highlights • Newly appointed CEO and General Manager back the Ultra High Purity McIntosh project with ~$120,000 of on market purchases. • CEO, Mark Lynch-Staunton shows commitment to McIntosh graphite project with on market share purchase of $85,500 totaling 5,000,000 shares. • General Manager Projects, Michael Hughes has also shown his commitment to the McIntosh graphite project with on market share purchase of $34,578 totaling 2,260,000 shares. • This recent purchase of shares by the newly appointed management brings the total directors and management share purchase commitment to ~$580,000 since the acquisition of the Ultra High Purity McIntosh Graphite project completed in November 2022. • The investment by management is a strong indication of management team's belief in the project and the value that they will bring to our shareholders. • Recent purchases bring management and director’s shareholding in the Company to ~8%, all of which have been paid for in full. • GCM is on track to commence its maiden drill program for ~10,000m in May at the McIntosh graphite project, expanding on the 24Mt @ 4.5% TGC resource at McIntosh by targeting the Company’s significant Exploration Target of 67-100mt @ 2-5% TGC*