Sept 20 (Reuters) - Charter Hall Group CHC.AX :
* Acquisition of $197M campbelltown mall for new partnership CHC.AX
* Created a new wholesale property partnership for retail shopping centre assets
* Co-investing with mtaa super
* Says group has committed to co-invest $46 million towards the acquisition of the property
* Charter Hall will manage the partnership, to be known as the Charter Hall prime retail fund
* Transaction is accretive to group operating earnings as it utilises cash surpluses
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