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Ten states join US-run Pax Silica

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Ten countries joined Pax Silica in June, the US State Department chip alliance the EU entered with a $40bn American-chip commitment; the new members include the Netherlands and Germany.

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Key takeaway

Ten more states, including the Netherlands and Germany, joined the US-run Pax Silica chip alliance in June.

Ten more countries joined Pax Silica in June, the chip-coordination alliance run from the US State Department that the EU signed up to with a $40bn American-chip commitment . The new members include the Netherlands and Germany, home respectively to ASML and the TSMC-led Dresden fab, alongside Greece, several Latin American states and Estonia as an observer.

Pax Silica exists to harmonise export-control policy across allied chip producers around a US-set agenda. The June intake brings into one Washington-run framework the two European states that matter most to advanced chipmaking: the Netherlands, which hosts the only maker of leading-edge lithography tools, and Germany, where Europe's flagship new fab is rising. Their semiconductor policy now sits inside an American coordination structure at the very moment Brussels is trying to pin down what European sovereignty means.

The arrangement reads oddly beside the US bill targeting ASML: a country can be a Pax Silica partner and a target of American chip legislation in the same week. Members are already uneasy about how much discretion they have handed Washington, a worry that sharpens once the same alliance reaches into the EU's own compute funding.

Deep Analysis

In plain English

Pax Silica is a club of countries organised by the US State Department to coordinate policy on computer chips, especially on which countries can buy the most advanced chips and which ones are blocked. Think of it as a trade alliance specifically about semiconductors. The EU joined in June as part of a deal that committed Europe to buying at least $40bn worth of American chips. Ten more individual countries joined in the same month, including the Netherlands, which is home to ASML, and Germany, which is building a major new chip factory with Taiwan's TSMC. The awkward part is that both countries joined this alliance at exactly the time the US is advancing a bill that would override the Netherlands' own right to decide what ASML can sell to China.

What could happen next?

Consequence
Germany and the Netherlands' Pax Silica membership creates a political obligation to support US chip-supply policy that directly conflicts with their stated objection to the MATCH Act's override of Dutch export licensing authority.
Short term · Assessed
Risk
The $40bn American-chip commitment locks EU procurement toward US AI accelerator suppliers for the period in which EU-designed alternatives from ESMC or other European fabs are not yet at volume.
Medium term · Reported
Precedent
A US-convened chip alliance with purchase commitments and a Cooperation Agreement carve-out into EU compute funding establishes a template for technology blocs that bypass WTO procurement neutrality without treaty obligations.
Long term · Reported

Source Landscape

This story draws on neutral-leaning sources

Primary parallel: COCOM, established in 1949, required member states to enforce US-directed controls on technology exports to the Soviet bloc domestically, with the US setting the control list. West Germany joined in 1950 as a founding member; its firms were subject to US-directed controls on their own export decisions for four decades.

The Netherlands joined in 1958 and similarly applied COCOM lists to domestic dual-use exports. Pax Silica repeats this structure: Germany and the Netherlands join a US-convened body and commit to purchase decisions aligned with US supply-chain policy.

Counter-parallel: NATO's Defence Planning Process, which since 1950 has allowed member states to maintain national procurement decisions within a shared burden-sharing framework, shows that multilateral security arrangements can accommodate sovereign procurement choices. NATO member states procure from each other and from non-US suppliers; Pax Silica's $40bn commitment is specifically to US chips, not to a technology-neutral procurement framework.

Consensus view: Mark Bromley of the Stockholm International Peace Research Institute (SIPRI), who tracks multilateral export-control frameworks, notes that Pax Silica's membership structure mirrors the Coordinating Committee for Multilateral Export Controls (COCOM) of the Cold War era in one critical respect: the convening state sets the control list, and members enforce it domestically.

The difference is that COCOM was a defence alliance with treaty obligations; Pax Silica is a trade commitment with a chip-purchasing arrangement and no treaty framework that would allow members to contest US decisions.

Counter-view: The Australian Strategic Policy Institute's Fergus Hanson argues the Alliance's lack of formal treaty obligation is a feature, not a defect: it allows states with domestic political constraints, such as France's opposition to the EU's accession, to participate at the level their political environment permits, and to exit without formal breach of a treaty. Voluntary structures with purchase commitments are more durable than formal treaties that generate domestic backlash.

Key tension: Whether Pax Silica's $40bn American-chip commitment constitutes a genuine transfer of technology procurement autonomy to Washington, or whether member states can credibly exercise independent judgment on which US chips to purchase, at what price, and under what conditions.

Sources:Electronics Weekly

Mentions:Netherlands →Germany →Greece →Estonia →European Commission →SIPRI →Brussels →ASML →France →Taiwan →TSMC →Dresden →NATO →Washington →China →ESMC →US State Department →Pax Silica →

First Reported In

Update #10 · Digital euro to trilogue; Senate bars CBDC

Electronics Weekly· 30 Jun 2026

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Causes and effects

Caused by

EU joins US chip pact, France objects

COREPER's June authorisation for the EU to join Pax Silica set the stage for ten new members joining in the same month.

Occurred 3 Jun 2026

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This Event

Ten states join US-run Pax Silica

Pax Silica's June expansion pulled Europe's two most important chipmaking states into a Washington-run export-control framework as Brussels debated sovereignty.

Led to

EU ownership rule meets its loophole

Pax Silica membership is exactly the class of agreement that triggers the EuroHPC Cooperation-Agreement ownership carve-out.

Occurred 1 Jun 2026

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