Nov 12 (Reuters) - Aurizon Holdings Ltd AZJ.AX :
* Aurizon announces capital management initiative AZJ.AX
* Extension of its existing on-market buy-back of up to 107 million shares for a further 12 months
* Buy-back will commence no earlier than 14 days after date of this announcement and end no later than 12 months after commencement
* Says impact of this buy-back will continue to be excluded from the calculation of EPS for management remuneration
* Source text for Eikon ID:nASX7sHDLf