Question 1

What capital cost did BIOS Mining & Infrastructure help estimate for Halo Minerals’ Playa Verde project as of 29 September 2026?

Accepted Answer

Halo’s Playa Verde capital cost was estimated at about US$92.8 million (excluding VAT) with a -10% to +15% accuracy range, based on a Class 3 engineering and cost update with BIOS Mining & Infrastructure on 29 September 2026.

Question 2

What did Chile’s First Environmental Tribunal decide regarding Halo Minerals’ Playa Verde environmental approval?

Accepted Answer

Chile’s First Environmental Tribunal rejected a judicial challenge to Playa Verde’s environmental approval in full, dismissing three grounds for lack of jurisdiction and upholding the October 2025 finding that the project poses no significant health risk.

Question 3

How much recovered copper and gold does Halo Minerals project from Playa Verde in its update?

Accepted Answer

Halo Minerals projected processing about 5 million tonnes per year at Playa Verde, yielding around 8,640 tonnes of recovered copper and 1,400 ounces of gold annually over an initial seven-year operating life.

Question 4

What arsenic cap did Halo Minerals say it committed to for Playa Verde return sands?

Accepted Answer

Halo Minerals said the tribunal upheld the Committee of Ministers’ conclusion, including Halo’s commitment to cap arsenic concentrations in return sands at 47 mg/kg.

Question 5

What pre-tax loss did Halo Minerals report for the six months to 30 June?

Accepted Answer

Halo Minerals reported a pre-tax loss of £2.9 million for the six months to 30 June.

Question 6

When did Chile’s First Environmental Tribunal reject a judicial challenge to the Playa Verde environmental approval?

Accepted Answer

Halo Minerals reported that Chile’s First Environmental Tribunal rejected the judicial challenge in its entirety; the challenge was filed on 28 November 2025 and the favourable environmental qualification decision had been granted by the Committee of Ministers in October 2025.

Timeline

Halo Minerals

Halo Minerals pegs Playa Verde build cost at $92.8m

Halo Minerals posts interim loss as Playa Verde advances

Halo Minerals boosted as Chilean tribunal verdict derisks Playa Verde project

Halo Minerals files maritime concession to extend Playa Verde offshore

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