Aug 21 (Reuters) - Vocus Group Ltd VOC.AX
* Termination of transaction discussion & forecast of earnings
* FY18 outlook forecasts further revenue growth between $1.9bln and $2bln
* Sees underlying EBITDA growth to be between $370mln and $390mln in FY18
* Updates on proposal from Kohlberg Kravis Roberts & Co. L.P. (together with its affiliates, KKR) to acquire 100% of shares in vocus