Mr. Edwin Shadeo reports

TECK RECEIVES HIGHLAND VALLEY COPPER OPERATIONS STRIKE NOTICE

Teck Resources Ltd. has received strike notice at Highland Valley copper (HVC) operations from the United Steelworkers (USW) Local 7619.

The strike notice entitles the union to begin strike action on Oct. 24, 2026, at 8 a.m. PT, at the earliest.

Operations at HVC continue and contingency plans are in place to maintain safety and environmental management during labour action. Teck is committed to reaching a collective agreement that is fair and reasonable for employees and supports the ongoing viability of the operation.

The collective agreement at HVC reached the end of its term on Sept. 30, 2026.

About Teck Resources Ltd.

Teck is a leading Canadian resource company focused on responsibly providing metals essential to economic development and the energy transition. Teck has a portfolio of world-class copper and zinc operations across North and South America, and an industry-leading copper growth pipeline. The company is focused on creating value by advancing responsible growth and ensuring resilience built on a foundation of stakeholder trust. Headquartered in Vancouver, Canada, Teck's shares are listed on the Toronto Stock Exchange under the symbols TECK.A and TECK.B, and the New York Stock Exchange under the symbol TECK.