Dec 20 (Reuters) - Ptb Group Ltd PTB.AX -
* Profit guidance
* Ptb Group expects to earn $1.6 to $1.7 million profit before tax and foreign exchange gains/losses for six months to 31 Dec 2016
* Sees 2016-17 financial year profit before tax excluding foreign exchange gains/losses at $4mln-$4.3mln Source text for Eikon: ID:nASXbgXW4f Further company coverage: PTB.AX