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• January 20: Six exporting countries - Abu Dhabi, Iran, Iraq, Kuwait, Qatar and Saudi Arabia - conclude ten days of meetings with Western oil companies. An agreement is reached to raise the posted price of crude by 8.49 percent to offset the loss in value of oil concessions attributable to the decline in value of the U.S. dollar.
• March 11: OPEC threatens "appropriate sanctions" against companies that "fail to comply with . . . any action taken by a Member Country in accordance with [OPEC] decisions."
• June 1: Iraq nationalizes Iraq Petroleum Company's (IPC) concession owned by British Petroleum, Royal Dutch-Shell, Compagnie Francaise des Petroles, Mobil and Standard Oil of New Jersey (now Exxon). The concessions were valued at over one billion dollars.
• June 9: In a show of support for Iraq, OPEC moves to prevent companies whose interests were nationalized in Iraq from increasing production elsewhere; appoints mediators between Iraq and IPC.
• September 30: Libya acquires a 50 percent interest in two ENI concessions.
• October 27: OPEC approves plan providing for 25 percent government ownership of all Western oil interests operating within Kuwait, Qatar, Abu Dhabi and Saudi Arabia beginning on January 1, 1973, and rising to 51 percent by January 1, 1983. (Iraq declines to agree.) Agreements signed on December 21.