U.S. and Canadian utility commissioners have given Houston-based Plains All American Pipeline L.P. the go-ahead on its acquisition of Long Beach-based Pacific Energy Partners L.P.

The deal, which was first announced in June, is for $2.4 billion and remains subject to the approval of shareholders in both companies. It is expected to be complete by the end of the year, with Pacific Energy trading under Plains’ symbol of PAA.

Plains All American primarily handles crude oil transportation and storage, as well as the marketing and storage of liquefied petroleum gas and other petroleum products, in the U.S. and Canada. Pacific Energy transports, stores and distributes crude and refined oil, primarily on the West Coast.

Shares of Plains All American rose 5 cents to $45.12 while shares of Pacific Energy added 15 cents to $34.46.