Dec 18 (Reuters) - Aurizon Holdings Ltd AZJ.AX :
* NOTES THAT QCA PUBLISHEED ITS UT5 DRAFT DECISION
* IF IMPLEMENTED DRAFT DECISION WOULD HAVE SIGNIFICANT IMPLICATIONS ON OPERATIONAL EFFICIENCY & RELIABILITY OF CENTRAL QUEENSLAND COAL NETWORK
* RESULT OF IMPLEMENTATION WOULD BE AN OVERALL DETERIORATION IN PERFORMANCE OF EXPORT SUPPLY CHAIN THAT SERVES QUEENSLAND COAL INDUSTRY
* AURIZON CONFIRMS ITS PREVIOUS GUIDANCE FOR FY2018
* UNABLE TO RECONCILE A NUMBER OF ELEMENTS OF DRAFT DECISION, INCLUDING REQUIRING ONE AURIZON TO MAINTAIN AN ASSET BASE THAT IS $1 BILLION LARGER
* QCA'S PROPOSED MAXIMUM ALLOWABLE RREVENUE OF $3.893 BILLION IS $999 MILLION BELOW CO'S UT5 SUBMISSION
* DRAFT DECISION PROPOSED THAT AURIZON NETWORK'S OVERALL MAXIMUM ALLOWABLE REVENUE FOR REGULATORY PERIOD OF UNDERTAKING IS $3.893 BILLION