 CANONSBURG, Pa.--BUSINESS WIRE-- ETRN--Equitrans Midstream Corporation NYSE: ETRN today declared quarterly cash dividends of 0.15 per common share and 0.4873 per share of Series A Perpetual Convertible Preferred Stock for the third quarter 2021. The dividends will be paid on November 12, 2021 to all applicable ETRN shareholders of record at the close of business on November 2, 2021. About Equitrans Midstream Corporation: Equitrans Midstream Corporation ETRN has a premier asset footprint in the 