Exxon Mobil Corp ( XOM.N ) said on Tuesday that production and exports of liquefied natural gas from Qatar have not been affected by rising diplomatic tensions in the Middle East. Saudi Arabia, the United Arab Emirates, Bahrain and Egypt on Monday cut ties with Qatar, accusing the country of supporting extremism. Qatar denies the allegations. The growing diplomatic rift has raised concerns about global access to Qatar’s LNG, especially after some regional ports in the Persian Gulf said they would not accept Qatari-flagged vessels. Commodities traders have grown concerned Qatar’s LNG could be barred from Saudi Arabia or from traversing Egypt’s Suez Canal, though so far no limitations have been imposed. Maersk ( MAERSKb.CO ), the world’s […]