Z Energy reported operational data for the quarter ended December 2017. For the quarter, the company reported total industry volumes of all fuels of 2,386 against 2,332 a year ago.

The company also revised earnings guidance for the fiscal year 2018. As a result of weaker than expected performance in the December quarter of 2017, the company has revised its earnings guidance for fiscal year 2018 from the previous range of $445 million - $475 million to a lower range of $430 million - $455 million. Although neither of the factors below impact underlying earnings, the company is updating guidance given this is based on a reported headline result.