(Bloomberg) — The largest western oil producers are mostly sticking with their growth plans for now, despite a 16% decline in crude prices during April and a decision by OPEC+ to crank up output in June.

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Exxon Mobil Corp., Chevron Corp. Shell Plc, and TotalEnergies SE all maintained their capital spending plans as they reported first-quarter results this week. BP Plc was the exception, cutting spending under pressure from activist investor Elliott Investment Management LP.

The steadfastness of the so-called oil majors comes as the market appears to be over-supplied. Prices are at a four-year low as tariffs threaten to hurt the global economy and curb energy demand, and following the surprise decision last month by the Organization of Petroleum Exporting Countries to increase production.

Even more supply is be on the way. OPEC+ members led by Saudi Arabia and Russia agreed to add 411,000 barrels a day next month, the group said following a meeting on Saturday.

Big Oil’s message that it will grow production in spite of lower prices contrasts with the position of US shale operators, who generally need more than $60 a barrel to break even. West Texas Intermediate, the US benchmark price, closed 1.6% lower Friday at $58.29 a barrel in New York. One shale-focused company, EOG Resources Inc., said Thursday it had already reduced its growth plans for 2025.

President Donald Trump has repeatedly urged domestic producers to ramp up output as part of his policy of US energy dominance, as well as to keep prices in check. On Friday he touted low gasoline prices as a key economic achievement of his first 100 days in office.

Exxon and Chevron on Friday reiterated their plans to grow production this year by about 7% and 9% respectively. Both companies expect more barrels from Kazakhstan, where they are partners on the recently-completed Tengiz expansion project. The country has repeatedly flouted its OPEC production quota, frustrating Saudi Arabia and spurring the kingdom’s pivot toward pushing for more supply to punish laggards among the group of producing nations.

“The presence of US companies like ExxonMobil and Chevron in Kazakhstan could play a key role in driving the supply growth,” Mukesh Sahdev of Rystad Energy said in a note Friday. “This raises questions about the potential for US backing to pressure OPEC+ into adding more barrels to the market.”