0.70 Share-for-Unit Exchange Ratio CALGARY, Alberta, Dec. 15, 2020 (GLOBE NEWSWIRE) -- News Release – TC Energy Corporation (TSX, NYSE: TRP) (TC Energy) today announced it has entered into a definitive agreement and plan of merger to acquire all the outstanding common units of TC PipeLines, LP (NYSE: TCP) (TCP or the Partnership) not beneficially owned by TC Energy or its affiliates in exchange for TC Energy common shares. Pursuant to the agreement, TCP common unitholders would receive 0.70...