Feb 16 (Reuters) - Caltex Australia Ltd CTX.AX :
* Caltex refiner margin update (December 2015) CTX.AX
* December unlagged crm was us$14.05/bbl
* Says sales from production in December 2015 (554ml) were above the prior month
* Says December 2015 realised crm was us$17.20/bbl
* Source text for Eikon ID:nASX4CSdLQ