Drilling Planned for Resource Expansion at Whundo Copper Project

GreenTech Metals Ltd (ASX: GRE) (GreenTech or the Company) is pleased to announce a second stage drill program at the Whundo Cu-Zn project in the West Pilbara region, which is anticipated to commence in the coming weeks.

Highlights

• GreenTech has finalised plans for the second stage drill program comprising up to 4,000m of diamond core drilling at its 100% owned Whundo Cu-Zn project in the West Pilbara
• The stage 2 program aims to confirm potential for significant resource expansion at the Whundo cluster of VMS style Cu-Zn deposits
• Drilling will focus on extending the under-explored mineralised shoots at Austin, Shelby, Yannery and Ayshia
• Drilling to be followed by downhole electromagnetic (DHEM) surveys aimed at identifying further extensions to the Cu-Zn mineralised shoots
• Identified DHEM conductor targets associated with the known mineralised shoots present potential to significantly increase existing Cu-Zn resources
• Drilling contractor Topdrill has been engaged to commence in the coming weeks
• Drilling is funded by recently completed $2.3M placement, $1M drill for equity agreement with Topdrill and an EIS grant of up to $140,000 from the WA Government¹

GreenTech’s Executive Director, Tom Reddicliffe, commented: “Following hot on the heels of a successful first stage of drilling, this next campaign will get underway this year to further test potential extensions to the mineralised shoots comprising the Whundo VMS cluster. In particular, we eagerly await the outcome of testing the exceptional Shelby conductor which eclipses other targets in the field with respect to its scale. This target is a clear standout and will be a priority to be drilled. Given the nature of VMS clusters, and the multiple opportunities for resource growth we believe a project with around 10-15Mt would make a significant difference to the economics of the Whundo Copper project and represents a potentially achievable target for exploration going forward.”

The program aims to confirm potential for significant resource expansion at the Whundo cluster of VMS style Cu-Zn deposits and is a follow-up to the successful first program of 1,710m completed in July 2024.

This second drill campaign will comprise up to 4,000m of diamond core drilling, with follow- up downhole electromagnetic (DHEM) surveys planned for selected holes. The results of the DHEM surveys will assist in the planning of follow-up drill holes which may be drilled as part of this program.

Figure 1: Whundo Resources, Prospects and Targets over Electromagnetic Image

Whundo VMS Field

The Whundo Project comprises six known mineralised Cu-Zn shoots, typically plunging to the north at 30 – 40 degrees. These mineralised shoots, known as Whundo East, Whundo West, Austin, Shelby, Yannery and Ayshia, occur within a defined generally northeast trending zone over a strike of 2km. A further combined 2km of this prospective zone remains open to both the west and the east of the known mineralisation within the tenement. The close spatial relationship between the known mineralised shoots with respect to plunge and thickness of mineralisation suggest these are potentially part of a large VMS type mineralising event which remains open along strike and at depth.

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