Teck Resources (TSX: TECK.A, TECK.B)(NYSE: TECK) has lowered its copper production guidance for 2025 after persistent setbacks at its Quebrada Blanca (QB) mine in Chile and Highland Valley Copper (HVC) operation in Canada.
The company, which in September agreed to a $53-billion merger with Anglo American (LON: AAL), stressed that the deal’s strategic rationale remains intact.
Teck reported QB copper output of 39,600 tonnes and sales of 43,900 tonnes in the third quarter. Annual production guidance for 2025 has been cut to between 170,000 and 190,000 tonnes, down from 210,000–230,000 tonnes, after extended downtime to raise the tailings dam crest.
Forecast output for 2026 has also been reduced to 200,000–235,000 tonnes from an earlier 280,000–310,000 tonnes.
The Vancouver-based said ongoing tailings management facility (TMF) development continues to restrict output and will cause additional…


