Highlights

• Senator Elizabeth Warren pressed EXIM leadership on Project Vault's transparency, demanding access to term sheets and contracts for the $10bn critical minerals stockpile to prevent political favoritism and ensure congressional oversight.
• EXIM defends the program's reliance on large investment-grade counterparties as essential credit infrastructure, arguing blue-chip corporations enable smaller manufacturers rather than crowding them out.
• Project Vault faces a structural paradox: mandated disclosure of contract terms risks deterring market participation in critical minerals deals where pricing formulas and commercial terms are competitive assets.

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At a recent Senate hearing (opens in a new tab), Elizabeth Warren drew a clear line: Project Vault—President Donald Trump’s proposed critical minerals stockpile, underpinned by roughly $10bn in Export-Import Bank of the United States (opens in a new tab) (EXIM) financing—must not trade strategic urgency for opacity. Her critique was not of industrial policy, but of its execution. She pressed EXIM leadership on whether Congress would see the underlying term sheets, contracts and credit arrangements. Without them, she argued, lawmakers cannot distinguish national-security policy from political patronage.

The response was careful. EXIM’s leadership described Project Vault as “demand-driven” and committed to transparency in principle, but stopped short of promising full disclosure of commercial documents. That hesitation is the story.

Elizabeth Warren wants the term sheets; the market would prefer she stick to the periodic table.

Ms. Warren’s concerns cluster around four risks. First, favoritism: whether politically connected firms could benefit from subsidized capital. Second, governance: whether EXIM’s mandate could drift into discretionary deal-making. Third, transparency: whether Congress can meaningfully audit the program without access to its commercial spine. Fourth, inclusion: whether a structure anchored in large, investment-grade counterparties sidelines smaller manufacturers—the very firms industrial policy purports to support.

EXIM’s defense is orthodox finance. Uniform criteria will apply; large corporations are not a distortion but a necessity. Their balance sheets provide the credit gravity that allows smaller participants to orbit within the structure. In this telling, blue chips are not crowding out the market—they are enabling it. Yet Washington’s instinct for disclosure is colliding with the mechanics of commodity contracting.

Across the REEx network, counterparties are not merely cautious about sharing term sheets—they are opposed. In critical minerals, contract terms are competitive assets: pricing formulas, volume commitments, delivery optionality, floor mechanisms, and credit protections. Mandated disclosure risks collapsing negotiations before they begin. Transparency, beyond a point, becomes deterrence.

This is the paradox at the heart of Project Vault. Launched as an approximately $12bn effort—$10bn public financing alongside private capital—to de-risk supply chains dominated by China, it now faces a constraint less geopolitical than structural. The question is no longer whether to intervene, but how to structure intervention in a market that depends on confidentiality to function.

John Jovanovic, President and Chairman of the Export–Import Bank of the United States

Project Vault is thus confined to a narrow corridor. Too little disclosure invites political backlash and erodes legitimacy. Too many risks market withdrawal and renders the vehicle inert. In rare earths, where pricing is opaque and relationships are strategic, this is not a peripheral tension. It is the central design problem.

In industrial policy, as in physics, constraints do not yield to intent. They define the system.