March 31 (Reuters) - Yancoal Australia Ltd YAL.AX
* Yancoal has issued debt bonds to value of $us775 million to date.
* Confirms all parties agreed to further extend boci's subscription date in respect of that us$175 million amount by six months to 30 Sept 2017 Source text for Eikon: ID:nASX3xFV0R Further company coverage: YAL.AX