Valero Energy Corporation provides earnings guidance for the first quarter of 2021. Valero expects to report a net loss attributable to Valero stockholders in the range of $2.05 to $1.81 per share for the first quarter of 2021. The company expects electricity and natural gas costs incurred primarily by its refining and ethanol business segments to be higher than expected for the first quarter of 2021 due to the impacts of Winter Storm Uri. The preliminary estimated impact of excess energy costs included in the range of net loss attributable to Valero stockholders noted above is $1.18 to $1.14 per share.