Saudi Aramco will sign on Tuesday memoranda of understanding with U.S. liquefied natural gas producer NextDecade and utility firm Sempra, Aramco's chief executive said, as the oil giant expands in the LNG market.

The 34 deals have a potential value of about $90 billion, the state-owned oil giant said in an online statement. Earlier the White House announced $600 billion in committed investments from Saudi companies and a $142 billion agreement for U.S. arms sales to the kingdom - signed during President Donald Trump’s visit.