Iran is a member of OPEC, although its oil exports are subject to US sanctions aimed at curbing Tehran's nuclear programme.

Barkindo was due to step down from his duty on Aug. 1

Iran has earned over $25 billion in revenues from its oil exports in 2021, the Organization of Petroleum Exporting Countries (OPEC) has reported.

According to the Organization of Petroleum Exporting Countries (OPEC), Iran produced 2 million 503 thousand barrels of crude oil in January, which is 21 thousand barrels more than in December.