'Pax Silica': the EU just joined the US chip pact France called colonisation

The European Union just signed onto an American chip club. On June 23, the European Commission joined “Pax Silica”, a US State Department effort to lock allied countries into a shared approach for securing the supply chains behind artificial intelligence, Reuters reported. “The European Commission has joined the U.S. initiative ‘Pax Silica’,” Commission spokesperson Paula Pinho confirmed.

That single sentence carries a lot of freight. Pax Silica is the closest thing the AI era has to a Western trade bloc for silicon, and the EU’s signature pushed its membership to 24 countries and territories. It also exposed a real split inside Europe, where France called the whole thing an attempt to colonise the continent. Here’s what the pact actually commits members to, how it plugs into the export-control fights already underway, and why a tech reader should care that a diplomatic declaration just redrew the map of who gets to build and buy advanced chips.

What Pax Silica actually is

Start with the name. Pax Silica fuses the Latin pax, meaning stability or peace, with silica, the raw material at the base of every silicon chip. Washington launched it in December 2025, and the US State Department coordinates it. The inaugural summit ran in Washington on December 12, 2025, with seven founding signatories: the US, UK, Japan, South Korea, Singapore, Australia, and Israel.

The pitch is that securing AI is about far more than fabricating chips. Pax Silica covers what its members call the full stack: critical-mineral extraction and refining, energy generation, advanced manufacturing, logistics, semiconductors, data centers, and even AI models themselves. The State Department’s own framing describes a “positive-sum” partnership meant to cut “coercive dependencies” and build resilience across that stack. Translated out of diplomat-speak, that means: don’t let any single country, and the unspoken country here is China, hold a chokepoint over the parts the rest of the world needs to run AI.

Crucially, this is not a treaty. The European Commission was blunt about that, telling reporters the pact “is not legally binding; it is a political statement that will not interfere with EU internal decision-making.” Members sign a declaration. There’s no court, no tariff schedule, no enforcement arm. What they’re really signing up for is coordination: a promise to point their export controls, investment, and industrial policy in roughly the same direction.

What members actually commit to

The commitments are softer than a tariff and harder than a press release. According to the State Department fact sheet, cooperation spans “connectivity and data infrastructure, compute and semiconductors, advanced manufacturing, logistics, mineral refining and processing, and energy.” In practice that breaks into three moves.

First, members coordinate export controls on advanced technologies. That’s the part with teeth, because it overlaps with measures already in force. The US Entity List already restricts what American firms can ship to named foreign companies, and we covered how that blacklist nearly caught DeepSeek and more than 100 Chinese firms. Pax Silica asks allies to stop undercutting each other and present a united front. Second, members co-invest in chip development and shared infrastructure, the carrot that’s supposed to make the export-control stick palatable. Third, they agree to a common posture on restrictions aimed at China, which is the strategic spine of the whole thing.

The June 2026 expansion came with concrete deliverables, not just signatures. At the follow-up summit, the State Department announced a pilot credentialing platform in Panama, nicknamed “Pax Pass”, to fast-track vetted shipments of chips, AI hardware, and critical minerals through customs. The department also launched a Foundry School with Stanford University, a workforce program to train the people who’ll staff the fabs. If Panama works, the plan is to extend the credentialing system to other members.

Who’s in, who’s out, and who’s furious

The roster is the story. After June 2026, Pax Silica counts 24 signatories. The US, UK, Japan, South Korea, Singapore, Australia, and Israel anchored the founding group. Then came a steady drip through early 2026: the Netherlands, Qatar, the UAE, India, Sweden, Finland, Norway, and the Philippines. The June summit added 10 more in one go, including the European Union as a bloc plus Germany, Greece, Argentina, Chile, Costa Rica, El Salvador, Kazakhstan, and Panama.

A few absences matter as much as the names. Taiwan, home to the world’s most advanced foundries, didn’t sign the main declaration; it endorsed the principles separately through a US-Taiwan economic-security statement, a careful piece of diplomacy given Beijing’s claims over the island. Canada and Estonia sit as observers. China, the entire point of the exercise, is not invited.

And then there’s France. Paris became the loudest skeptic in the room, framing the pact “as nothing short of an attempt to colonise Europe and at odds with the EU’s tech sovereignty agenda.” France disputes reports that it alone blocked the Commission’s negotiating mandate, but it “has not hidden its discomfort.” The core objection is about control: who sets the terms of the technology stack Europe runs on. Critics argue signing locks Europe “into an American-defined AI stack and export-control regime, trading autonomy for a seat at a table Washington built and chairs.” The Commission’s counter is pragmatic. Acting as a bloc, it says, creates openings for European firms that going it alone wouldn’t.

What it means for the chip trade

This is where the diplomacy turns into something a developer or a chipmaker will actually feel. Europe holds one of the most valuable chokepoints in the entire AI supply chain: the Dutch company ASML is the only firm on Earth that makes EUV lithography machines, the gear required to print the most advanced chips. The US dominates the other end, AI chip design, where Nvidia sets the pace. Pax Silica is, at one level, an agreement to keep those two ends pointed at the same adversary instead of at each other.

There’s a price tag attached, too. Under the broader EU-US trade agreement, Europe is committed to buying at least $40 billion (roughly €37 billion) worth of US AI chips. Pax Silica doesn’t create that obligation, but it sits comfortably alongside it: a political framework that makes the commercial flow of American silicon into Europe feel less like dependence and more like alliance.

The harder question is enforcement. A non-binding declaration only works if members actually align their controls, and history says that’s where these pacts wobble. The same logic drove Taiwan’s recent move to tighten chip exports to China, and the same friction shows up whenever a member’s domestic industry wants to keep selling. Even the hardware end is shifting: when a company like OpenAI builds its own custom chip with Broadcom, the supply chain Pax Silica is trying to govern keeps changing shape underneath it.

What this means for you

If you build on AI infrastructure, watch the export-control column, not the diplomatic photo ops. The signatures are symbolic; the licensing rules are what determine whether a given GPU, lithography tool, or model weight can legally cross a border. Pax Silica is a signal that those rules are converging across two dozen countries, which means fewer arbitrage gaps and more predictable, but also more restrictive, access for anyone whose stack touches China. For European developers and startups specifically, the bet is that bloc-level membership keeps the chip pipeline open and maybe wins a slice of co-investment. France’s worry is that it just made Europe a tenant in a house Washington owns. Both can be true at once, and we won’t know which dominates until the first real export-control test forces a member to choose. The next thing to watch is whether the Panama “Pax Pass” pilot ships and gets copied, because a working credentialing system is the moment this stops being a declaration and starts being plumbing.