Although the company's main business lines are steelmaking coal, copper and zinc, it diversified into oil sands extraction with the purchase of SilverBirch Energy Corp. for $435 million in 2012, giving the company full ownership in the Frontier and spinning out the rest into a new junior company, Silver Willow Energy Corp.
Teck estimates that from 30 million to 35 million tonnes of U.S. metallurgical coal are "losing cash" at current spot prices. This situation is further complicated by the recent strengthening of the U.S. dollar.
Teck Resources, a Canadian company that dates from the early 1900s and that built its business on mining of minerals and metallurgical coal, has ventured more recently into two major oil sands projects in Alberta, including the Fort Hills Mine and the proposed Frontier Mine. Teck has reported significant financial losses over the past three years, as is evident from these key metrics:
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Press release: Teck Resources: Rough Road on Oil Sands Investments