Dec 21 (Reuters) - Triangle Energy Global Ltd TEG.AX :
* Says received a notice of arbitration issued by monterra ltd
* Notice of arbitration relates to payments which monterra alleges are owed by Triangle, amounting to US$1 million or 19.99% equity stake in Triangle
* Says is in the process of obtaining advice from its legal counsel
* Says intends to vigorously defend the claim
* Source text for Eikon ID:nASX5mf4X8