PITTSBURGH–(BUSINESS WIRE)–EQT Midstream Partners, LP (NYSE: EQM) and EQT GP Holdings, LP (NYSE: EQGP) will host a joint teleconference with security analysts on October 26, beginning at 11:30 a.m. ET. Topics of the teleconference will include financial and operational results, and other matters, with respect to the third quarter 2017. A brief Q&A session for security analysts will immediately follow the results discussion. The teleconference will be webcast live at www.eqtmidstreampartne