Today, Sempra Energy and Saudi Aramco announced that their respective subsidiaries, Sempra LNG and Aramco Services Company, have signed a heads of agreement (HOA) that anticipates the negotiation and finalization of a definitive 20-year LNG sale-and-purchase agreement for 5 million tonnes per annum of LNG offtake from Phase 1 of the Port Arthur LNG export project under development in Port Arthur, Texas. The HOA includes the negotiation and finalization of a 25% equity investment in Phase 1 of Port Arthur LNG.