Oct 6 (Reuters) - Macmahon Holdings Ltd MAH.AX :
* Share buy-back MAH.AX
* Intention to commence an on-market share buy-back of up to 10% of its fully paid ordinary shares over the next twelve months
* Says earliest that the company will be permitted to buy-back any shares will be 21 October 2015
* Source text for Eikon ID:nASXbBjVzX