June 6 (Reuters) - Austin Engineering Ltd ANG.AX :
* ADVISED EMPLOYEES OF CLOSURE OF ITS MUSWELLBROOK, HUNTER VALLEY OPERATIONS EFFECTIVE 30 JUNE 2018
* CLOSURE OF MUSWELLBROOK OPERATIONS WILL NOT IMPACT GROUP'S NORMALISED EBITDA GUIDANCE RANGE
* REVISES H2 NORMALISED EBITDA GUIDANCE OF $10 MILLION TO $11.5 MILLION AND FY NORMALISED EBITDA GUIDANCE OF $22 MILLION TO $23.5 MILLION