Milei vows sanctions on Falklands oil companies in renewed sovereignty push

Javier Milei has promised tougher action against oil companies drilling near the Falkland Islands, reopening a sovereignty dispute that Argentina still treats as a matter of national identity.

In a televised national address, the Argentine president said the “winds of change” favored Argentina’s claim to the archipelago, known in Argentina as the Malvinas. He announced measures aimed at stopping development of the deep-sea Sea Lion oil project, located about 220 kilometers north of the islands.

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The winds of change.

British company Rockhopper Exploration and Israel’s Navitas Petroleum plan to start drilling in the coming months and begin pumping oil in 2028. Argentina considers the project illegal exploitation of resources in waters it claims. The companies said recent developments were not expected to have a material effect on Sea Lion’s development schedule.

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Argentina will not stand idly by.

Milei threatened tougher sanctions against companies involved in offshore drilling and announced new funding for a naval base in Tierra del Fuego, Argentina’s southernmost province. “Argentina will not stand idly by,” he said. “Any further advance on the Malvinas Islands will be considered a violation of our national security.”

The dispute dates back to Britain’s control of the islands since 1833 and Argentina’s claim that it inherited sovereignty from Spain. Britain rejects the claim and points to the islanders’ wish to remain a British overseas territory. The countries fought a war over the islands 44 years ago, in which hundreds of people died.

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Any further advance on the Malvinas Islands will be considered a violation of our national security.

For decades, successive U.S. administrations recognized Britain’s de facto administration while remaining neutral on the competing claims. Donald Trump unsettled Britain this week by saying he was reviewing the U.S. position. In a later interview with GB News, he avoided directly answering whether Washington would help Britain in another Falklands conflict.

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The partnership believes that the recent developments are not expected to have a material effect on the development activities of the Sea Lion Project, including the timetable for completion of the Project's development.