July 30 (Reuters) - Caltex Australia Ltd CTX.AX :
* MAY UNLAGGED CRM WAS US$12.02/BBL
* MAY UNLAGGED CALTEX SINGAPORE WEIGHTED AVERAGE MARGIN WAS US$11.93/BBL
* MAY 2018 REALISED CRM WAS US$11.21/BBL
* SALES FROM PRODUCTION IN MAY 2018 OF 541 ML ARE ABOVE PRIOR MONTH AND ABOVE PRIOR YEAR COMPARATIVE