The differential between Teck’s expected average realized price and the quarterly index price is a function of the market direction, the product mix and the timing of sales and vessel arrivals. As previously announced, the company said it expects to return to a more typical product mix of premium metallurgical coal going into 2018.

Met coal sales volumes for the fourth quarter of 2017 remain in line with the company’s previous guidance of approximately 6.5 million mt.