 CANONSBURG, Pa.--BUSINESS WIRE-- ETRN--Equitrans Midstream Corporation NYSE: ETRN today announced that its wholly owned subsidiary, EQM Midstream Partners, LP EQM, has priced an upsized offering of 800 million in aggregate principal amount of its 4.50 senior notes due 2029; and 1,100 million in aggregate principal amount of its 4.75 senior notes due 2031 collectively, Notes. This represents an increase of 150 million in the combined aggregate principal amount of the Notes from the previou 