 TORONTO--BUSINESS WIRE--Granite Real Estate Investment Trust Granite TSX: GRT.UN NYSE: GRP.U announced today that its board of trustees has declared a distribution of CAD 0.250 per stapled unit for the month of September 2021. The distribution will be paid by Granite on October 15, 2021 to stapled unitholders of record at the close of trading on Thursday, September 30, 2021. The stapled units will begin trading on an ex-dividend basis at the opening of trading on Wednesday, September 