May 9 (Reuters) - Caltex Australia Ltd CTX.AX :
* AVERAGE CALTEX REFINER MARGIN (CRM) IN APRIL WAS US$10.96 PER BARREL
* IMPACT FROM PLANNED SHUTDOWN OF FCCU REDUCED CRM BY ABOUT US$0.60/BBL IN APRIL
* LYTTON IS NOW OPERATING AT FULL CAPACITY AND CALTEX CONFIRMS LYTTON 2019 PRODUCTION GUIDANCE OF AROUND 5.8BL
* CALTEX REFINER MARGIN SALES FROM PRODUCTION IN APRIL OF 440ML