Sept 15 (Reuters) - Granite Real Estate Investment Trust GRT_u.TO
* Granite announces acquisition of US$122.8 million portfolio in the United States and leasing update
* Granite Real Estate Investment Trust - deal will be immediately accretive to funds from operations and adjusted funds from operations
* Granite Real Estate Investment Trust - expects to fund purchase through a combination of cash on hand and a drawdown of its unsecured credit facility