In September, the IAEA estimated that Iran's stockpile of 20% enriched uranium amounted to 84.3 kilograms. Iran's nuclear chief Mohammad Eslami told Iranian state media on October 9th that Iran actually possesses over 120 kilograms of the material. Eslami claimed that the additional production was necessary because other parties to the JCPOA have not delivered fuel for the Tehran Research Reactor as promised by the 2015 agreement.