Sept 14 (Reuters) - Tribune Resources Ltd TBR.AX :
* Says company intends to buy back up to a maximum of 5 million shares
* Says board considers that the share buyback will not impact the company's current activities for the next 12 months
* Based on co's closing share price on 11 September 2015, being $3.73, this would equate to a return of approximately $18.65 million
* Source text for Eikon ID:nASX1lZPfR