Middle East — 2026-05-29

Kazakhstan Offers to Store Iran Enriched Uranium Stockpile as Part of Nuclear Deal

BLUFKazakhstan's custody offer gives negotiators a face-saving alternative to uranium destruction, but formal designation as the repository before late August remains very unlikely absent a US-Iran accord that shows no signs of converging.

IAEA Director General Rafael Grossi told the Financial Times on Friday that Kazakhstan has offered to take custody of Iran's enriched uranium stockpile if Washington and Tehran reach a nuclear accord 123. The offer emerged during Grossi's meeting with Kazakh President Kassym-Jomart Tokayev in Astana this week, where Tokayev expressed Kazakhstan's "openness" to host the material 12. The stockpile at issue is approximately 440 kilograms enriched to 60 percent purity 2, and Kazakhstan already operates an IAEA-supervised low-enriched uranium bank established in 2017 1. Arab News, citing Axios, reported that a deal under discussion would not resolve the uranium dispute itself but would include an Iranian commitment not to build a nuclear weapon 2.

Analysis
The Kazakhstan custody offer is doubly conditional: it requires a US-Iran accord that does not yet exist, and the framework under discussion defers rather than resolves uranium disposition. Formal designation of Kazakhstan as repository is very unlikely before August 27, 2026. Iran's factional opposition to concessions, Trump's stated preference for destruction over transfer, and the absence of observable convergence on custody terms each narrow the path further. Moderate confidence rests on Grossi's public statement establishing the offer, grounded in a single Financial Times report with secondary amplification only, against an otherwise convergence-free negotiating environment. The offer may equally serve Astana's regional-mediator ambitions regardless of whether a deal materializes. IAEA and US arms-control planners cannot allocate inspection resources or draft custody verification protocols until formal designation is confirmed.
4 sources
  1. Kazakhstan open to storing Iran enriched uranium in nuclear deal - Middle East Eye
  2. Kazakhstan offers to take Iran's uranium stockpile, IAEA chief tells FT - Arab News
  3. Kazakhstan open to holding Iran's enriched uranium, Grossi says - Iran International
  4. Kazakhstan willing to store Iran's enriched uranium if deal reached, IAEA chief says - The Times of Israel

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