Iran's stockpile of uranium enriched up to 60% purity had increased to an estimated 440.9 kilograms as of June 13, the first full day of Israeli strikes on Iran's nuclear program, according to a report shared by the International Atomic Energy Agency (IAEA) with member states. The quantity of 60% enriched uranium had increased by 32.3 kilograms since the IAEA's previous report in May.