Oil prices fell on Wednesday, hit by rising supplies in the United States and expectations that producer group OPEC could relax voluntary output cuts.
Oil prices dropped on Wednesday as a result of increased supplies in the U.S.
Benchmark Brent crude oil was down 35 cents at $75.53 a barrel by 0730 GMT.
Some countries have already increased production, and analysts have said the outlook for the oil market for the rest of 2018 is uncertain as OPEC countries prepare to meet June 22-23 in Vienna to discuss output.
The IEA report comes a day after OPEC warned of "considerable uncertainty as to world oil demand".
But the Paris-based IEA, echoing statements from oil producers as well as analyst comment in recent weeks, said there may be a change to the so-called Vienna agreement. In late May, that decline reversed and the price oil declined as Russian Federation and Saudi Arabia indicated a willingness to accept lower prices.
"The prospect of easing supply curbs from OPEC-led producers continues to be reflected in oil's overall depressed price", Otunuga said.
However, the API reported a surprise buildup in gasoline inventories for week ending June 8 in the amount of 2.33 million barrels.
OPEC producers and non-OPEC countries struck a deal in 2016 to trim production by 1.8 million barrels per day to reduce a global glut of oil.
"To make up for the losses, we estimate that Middle East OPEC countries could increase production in fairly short order by about 1.1 mb/d and there could be more output from Russian Federation on top of the increase already built into our 2019 non-OPEC supply numbers", it added.
"With rising production from USA shale adding to oil's woes and reviving oversupply concerns, further downside could be a possibility in the short to medium term", Otunuga said.
"The U.S.is important to us, but. we have not received any official communication, or even unofficial communication, from the administration", he told CNN.
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