HEP - Holly Energy Partners LP (HEP) Q2 2021 Earnings Call Transcript August, 03 2021 08:31 PM Holly Energy Partners L.P. Image source: The Motley Fool. Holly Energy Partners, LP (NYSE: HEP) Q2 2021 Earnings Call Aug 3, 2021 , 4:00 p.m. ET Operator Continue reading For further details see: Holly Energy Partners, LP (HEP) Q2 2021 Earnings Call Transcript