Dec 23 (Reuters) - Lend Lease Group LLC.AX :
* New investment in tower one at barangaroo south LLC.AX
* Lendlease's equity commitment will reduce from $525 million to $175 million
* Says other investors in lloneitst include the Qatar investment authority
* A 25% co-investment stake in Lend Lease one international towers Sydney trust will be acquired from lendlease
* Source text for Eikon ID:nASX6MH5dp