Russia's Federal Military and Technical Cooperation Service said in a statement posted on its website on Monday that the reports about Moscow selling Iran advanced S-300 anti-aircraft missile system "does not correspond to reality."
The media reports about deliveries of the S-300 anti-aircraft system to Iran "does not correspond to reality," the agency said, adding that any weapons sale to Tehran would be "in observance of all international obligations."
The Russian denial comes after Iran's official IRNA news agency reported Sunday that Iran would soon receive the S-300 air defense systems from Russia. The reported quoted Esmaeil Kosari, Iranian deputy chairman of Parliamentary Commission on National Security and Foreign Policy, as saying that the deal was struck after years of negotiations.
Also on Monday, Russia's state owned weapons exporter, Rosoboronexport, said in a statement that it was only supplying Iran with defensive weapons systems, including the less advanced Tor-M1 anti-aircraft system.
"Russia conducts military-technical cooperation with Iran in strict compliance with the international commitments of the Russian Federation according to current non-proliferation regimes, and cannot be a source of concern for other countries," the company said in a statement on Monday.
The company said in the statement that it was delivering only "systems of a defensive nature" to Iran, but did not comment on reports that it was also delivering advanced S-300 anti-aircraft missile system to Iran.
The Russian S-300 missile system is believed to be capable of intercepting and destroying ballistic missiles at a range of more than 40 kilometers, and its performance is said to be similar to the American Patriot missile system.
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May 08, 2026 15:50 ET Manufacturing and services sector survey results and labor market data from main economies were the highlight on the economics news front this week. Factory orders and jobs report dominated the news flow in the U.S. Similarly, industrial production data from German garnered attention in Europe. In Asia, purchasing managers’ survey results from China and the central bank decision from Australia were in focus.