Mining facility with colorful buildings, mountains in the background, and a water body in the foreground.

Red Dog

Red Dog Operations is one of the world's largest zinc mines, located in northwest Alaska, USA.

About Red Dog

Red Dog Operations is one of the world's largest zinc mines, located about 170 kilometers (105 miles) north of the Arctic Circle in northwest Alaska, near Kotzebue.

In 1982, Red Dog Operations was developed through an innovative operating agreement between the operator Teck and the land-owner NANA, a Regional Alaska Native corporation owned by the Iñupiat of northwest Alaska. The mine and concentrator properties are leased from, and were developed under the agreement with NANA.

Red Dog is an open-pit truck-and-loader operation, using conventional drill and blast mining methods. Concentrates produced at Red Dog are shipped to our metallurgical facilities in Trail, British Columbia, and to customers in Asia and Europe.

The current mine life, based on existing developed deposits, is expected to extend through to 2031.

Colorful industrial buildings in a snowy landscape with NANA and Teck logos above.

Red Dog Mine
Sulfur Dioxide Update

Teck is actively managing Sulfur Dioxide (SO2) at our Red Dog Operations. First and foremost, the health and safety of our personnel is our top priority. Monitoring and Mine Safety and Health Administration (MSHA) inspections show that emission levels are within federal mine safety and health standards for SO2 exposures.

Benefits and Impacts of Red Dog Mine

Red Dog Operating Results

($ in millions)

2025 2024 2023

Revenue

$2,182 $2,059 $1,596

Gross profit (loss)

$588 $620 $408

Gross profit (loss) before depreciation and amortization1

$846 $851 $611

Production — contained in concentrate (thousand tonnes)

463 556 540

Sales (thousand tonnes)

535 574 553
Notes:
1 This is a non-GAAP financial measure or ratio. See "Use of Non-GAAP Financial Measures and Ratios" section of the Management's Discussion and Analysis for further information.
Person in orange jacket examining a rock with both hands outdoors, with blurred background.

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