Dec 22 (Reuters) - Gdi Property Group Ltd :
* It has exchanged contracts to sell 307 queen street, Brisbane, for $142.15 million
* GDI property group reaffirms its distribution guidance of at least 7.75 cents per security in fy17.
* Will use majority of proceeds from sale of 307 queen street, Brisbane, and 25 Grenfell street, Adelaide, to repay debt
* Announces sale of 307 queen street, Brisbane Source text for Eikon: Further company coverage: