Hochschild Mining (HOC) investor relations material

Production and operational performance

• Q1 2026 attributable production reached 75,599 gold equivalent ounces, with strong output from Inmaculada and improving performance at Mara Rosa, partially offset by San José's lower contribution.

• Inmaculada produced just over 48,000 gold equivalent ounces, in line with plans, including 32,561 ounces of gold and 1.2 million ounces of silver.

• San José mine delivered just under 27,000 gold equivalent ounces, with higher tonnage but lower grades due to cut-off grade adjustments and normal mining variability.

• Mara Rosa produced 13,552 gold equivalent ounces, slightly below expectations due to equipment availability and rainy season impacts, but with ongoing operational improvements.

• All sites commenced brownfield exploration programs, with early results pending and updates expected in Q2 2026.

Project development and growth initiatives

• Monte do Carmo project advanced in engineering, permitting, and procurement; board approval targeted for Q3 2026, with construction potentially starting soon after.

• Royropata project’s Environmental Impact Study is progressing, with submission awaiting Peruvian election results; exploration continues.

• Optionality includes Royropata, Monte do Carmo, a 69% stake in Tiernan Gold (Volcan project, Chile), and a 20% stake in Aclara (rare earths in Brazil and Chile).

• Pallancata restart is under evaluation but not yet profitable; further updates expected in Q2.

ESG and workforce highlights

• Lost Time Injury Frequency Rate improved to 0.55 from 0.97 year-on-year.

• Fresh water use per tonne of ore processed reduced to 0.17 m³/tonne, and recycled waste remained high at 81.3%.

• Local workforce represents 65.1% of total, and women in the workforce increased to 11.2%.

• ECO score rose to 5.90 out of 6, reflecting enhanced environmental performance.