Commitments submitted by members reached 120 million barrels released over a six-month period, the IEA added.
The United States will release 60 million barrels of stored oil and Japan 15 million barrels.
The other major contributors are South Korea, Germany, France, Italy and the United Kingdom.
Country Thousands of barrels
United States 60559
Japan 15000
South Korea 7230
Germany 6480
France 6047
Italy 5000
UK 4408