Yanbu's refineries anchor Saudi Arabia's crude exports since Hormuz shut

Aramco says its Yanbu and Shaybah sites show no damage, after weeks of mine strikes, fires and missile intercepts near the Strait of Hormuz. USO is down 0.83% at $159.28 a share as the news broke.

Yanbu, on Saudi Arabia's Red Sea coast, hosts three Aramco refineries: the 400,000 barrel-a-day Samref plant run with ExxonMobil, the 400,000 barrel-a-day Yasref refinery, and the smaller 243,000 barrel-a-day Yanbu refinery. Its export terminal became the kingdom's main crude outlet after the Strait of Hormuz was effectively closed in early 2026.

That closure has not lifted on any lasting basis. Iran's Revolutionary Guard has said the waterway stays shut until its conditions are met, after reporting that tankers struck mines there. Iran's navy has said a tanker it accused of violating the closure caught fire in the strait, and an IRGC spokesman has said Iran could widen its blockade to the Bab al-Mandeb strait and the Suez Canal. Iran's foreign minister, Abbas Araghchi, has set out reopening timelines more than once, including a six-day window tied to a seventh-day resumption of talks with the United States, and has also said the strait was supposed to have fully reopened already. None of those timelines has held.

Aramco has confirmed that Yanbu and Shaybah sustained no damage, following weeks of pipeline hits, intercepted missiles and explosions reported across the same region. Earlier incidents near Yanbu and Shaybah have mostly ended the same way, as claims that were either contained or never confirmed, rather than events that cut into actual exports. Aramco has continued to offer extra spot cargoes and discounted barrels through the period, which argues against a genuine supply squeeze.

Yanbu's redundancy, with three separate refineries and an export terminal operating alongside each other, means a single contested attack claim there is unlikely on its own to move broader market sentiment. That would change only if damage to loading capacity itself were confirmed, something that has not happened in any of the incidents reported so far.