Kazakhstan's company Kazatomprom, which owned 50% of the Russia-Kazakhstan joint venture "Uranium Enrichment Center" (UEC, TsOU), sold all but one share to its partner, Russia's TVEL corporation. The UEC was established in 2006 to provide enrichment services to Kazatomprom and Techsnabexport. It is different from the International Uranium Enrichment Center, in which both countries continue to actively participate. The one share retained by Kazatomprom would allow it to continue cooperation with Rosatom.

In 2009, the UEC considered expanding enrichment capacity at Angarsk, but these plans were put on hold in 2010. The center instead relied on the capacity of the Urals Electrochemical Combine in Novouralsk.