Moscow, May 24, 2007 - ??? RBC Information Systems informs its shareholders, who became the owners of Armada stock, that trading in ordinary shares of Armada has started on MICEX and RTS stock exchanges today.

In accordance with the decision of the MICEX Board of May 22, 2007, ordinary shares of OAO Armada were included in the "I" quotation list. The RTS Executive Board approved the inclusion of Armada shares on the "I" quotation list on May 23, 2007. The issuer was assigned the ARMD ticker symbol for both stock exchanges.