Sept 15 (Reuters) - GPT Group GPT.AX :
* GPT purchases units in GPT wholesale shopping centre fund GPT.AX
* Deal for $157 million
* Purchase of these securities will increase the group's interest in the fund from 20.2 per cent to 25.3 per cent
* Says GPT's purchase will be debt funded from existing facilities
* Source text for Eikon ID:nASX86ZFFv
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