French President Emmanuel Macron on Monday, 1 June declared that France is prepared to fully support efforts to secure an agreement between the United States and Iran, calling the current diplomatic moment a 'unique opportunity' to build a lasting security framework in the Middle East. The announcement followed a phone call between Macron and US President Donald Trump on Sunday.

The Hormuz Escort Mission

A multinational maritime escort mission, co-led by France and Britain, is on standby and will be deployed 'as soon as an agreement is reached,' Macron said. The mission is designed to help secure commercial shipping through the Strait of Hormuz, a critical global chokepoint through which roughly 20% of the world's oil supply passes. Macron stressed that reopening the strait without conditions and in line with international law is the immediate priority.

What Macron Said After the Trump Call

Posting on X after his conversation with Trump, Macron welcomed the US president's 'determined efforts' to reach a swift agreement with Tehran. 'I indicated that we are ready to fully support these efforts and play our full part in their implementation. This is the purpose of the international mission we have established with the British and our partners,' he wrote. France also signalled readiness to contribute technical expertise to broader negotiations, particularly on the nuclear dimension of any prospective deal.

Regional Diplomacy: Calls Across the Gulf

Earlier on Monday, Macron held separate calls with Saudi Arabia's Crown Prince and Prime Minister Mohammed bin Salman, Oman's Sultan Haitham bin Tariq, UAE President Sheikh Mohamed bin Zayed Al Nahyan, and Egyptian President Abdel-Fattah al-Sisi. According to Macron, he delivered a consistent message to all four leaders: it is essential for Washington and Tehran to reach an agreement quickly. The outreach underscores Paris's effort to position itself as a diplomatic bridge between Western powers and Gulf states ahead of any formal talks.

Lebanon and the Broader Security Framework

Macron also raised Lebanon during his regional calls, emphasising 'the importance of a robust ceasefire and collective support for the Lebanese authorities.' He welcomed what he described as the US 'commitment' to Lebanon's sovereignty and territorial integrity. Any comprehensive framework, Macron indicated, would need to address not only Iran's nuclear programme but also its ballistic missile capabilities and its role in regional stability — issues that have historically complicated multilateral negotiations with Tehran.

What Comes Next

Macron's framing suggests a two-stage approach: first, secure a ceasefire and unconditional reopening of the Strait of Hormuz; then pursue a broader, 'comprehensive and robust' agreement covering nuclear and ballistic missile issues. Whether Washington and Tehran can bridge their differences fast enough to activate the Franco-British maritime mission remains to be seen, but Paris has now publicly staked its diplomatic credibility on facilitating that outcome.