A network of companies run by Iraqi-British national Salim Ahmed Said has been buying and shipping billions of dollars worth of Iranian oil disguised as, or blended with, Iraqi oil since at least 2020, the department said.

“Treasury will continue to target Tehran’s revenue sources and intensify economic pressure to disrupt the regime’s access to the financial resources that fuel its destabilizing activities,” Treasury Secretary Scott Bessent said.

The US has imposed waves of sanctions on Iran’s oil exports over its nuclear program and funding of militant groups across the Middle East.