Aug 21 (Reuters) - Gbst Holdings Ltd GBT.AX :
* FY total revenue and other income $88.0 million versus $108.1 million
* Co expects operating EBITDA before strategic research and development in product development in range of $20m - $25m for FY18
* FY17 unaudited operating EBITDA of $12.2 million versus $20.0 million