Start of the additional trading session on the Exchange on May 14, 15 and 17

Please be informed that in accordance with Clause 6.2 of the Derivatives rules of FORTS derivatives market the additional evening trading session on the Derivatives market will start at 19:10 MSK on May 14, 15 and 17, 2013 as these are the expiration days of the front month option contracts.

Please be advised that in accordance with Clause 1.2.8 of the MICEX Stock Exchange Rules of securities trading (approved by a resolution of the Board of Directors on October 26, 2012, Minutes No.8) the additional trading session in the Standard sector of the Securities market of the CJSC "MICEX Stock Exchange" will start at 19:10 MSK on May 12, 15 and 17, 2013.

For further information, please contact the Public Relations Department at (495) 363-3232.