DISCLAIMER - IMPORTANT ELECTRONIC VERSIONS OF THE MATERIALS YOU ARE SEEKING TO ACCESS ARE BEING MADE AVAILABLE ON THIS WEBSITE BY RENAISSANCE SECURITIES (CYPRUS) LIMITED BUT, SUBJECT TO CERTAIN EXCEPTIONS, ARE NOT INTENDED FOR, DIRECTED AT OR ACCESSIBLE BY PERSONS LOCATED OUTSIDE THE UNITED KINGDOM Please read this notice carefully – it applies to all persons who view this site and, depending upon who you are and where you live, it may affect your rights. Please note that the disclaimer set out below may be altered or updated. You should read it in full each time you visit the site. This section of the website contains information on the Recommended Cash Offer by Renaissance Securities (Cyprus) Limited ("Renaissance Capital") on behalf of JSC Gazprom Neft ("Gazprom Neft") for the entire issued and to be issued share capital of Sibir Energy plc ("Sibir") (other than shares legally and beneficially owned by or on behalf of JSC Gazprom Neft and shares legally and/or beneficially owned by or on behalf of certain other shareholders) (the "Offer"). The formal documentation containing the full terms and conditions of the Offer has also been or will be sent by post to relevant shareholders separately. Any investment decision with respect to the exercise of the rights in respect of the Offer must be made exclusively on the basis of the Offer documentation including all supplements thereto. Before making any investment decision, or if you are in any doubt about the Offer or the action you should take, you are recommended to seek your own independent financial advice from your stockbroker, bank manager, solicitor, accountant or other independent financial adviser authorised under the Financial Services and Markets Act 2000 if you are resident in the United Kingdom or, if not, from another appropriately authorised independent financial adviser. Renaissance Securities (Cyprus) Limited, which is authorised and regulated in Cyprus by the Cyprus Securities and Exchange Commission and enjoys passporting rights allowing it to do investment business in the UK, is acting for Gazprom Neft and no one else in connection with the Offer and will not be responsible to anyone other than Gazprom Neft for providing the protections afforded to clients of Renaissance Capital or for providing advice in relation to the Offer. Restrictions - overseas persons Please note that, subject to certain exceptions, the Offer is not being made, directly or indirectly, in or into, or by the use of the mails or any means or instrumentality (including, without limitation, telephonically or electronically) of interstate or foreign commerce of, or any facilities of a national securities exchange of, any jurisdiction outside the United Kingdom and the Offer should not be accepted by any such use, means, instrumentality or facility or from any jurisdiction outside the United Kingdom. Doing so may render invalid any purported acceptance. The documents in this section of the website must not be mailed or otherwise forwarded, distributed or sent in, into or from (whether by use of the mails or any means or instrumentality (including, without limitation, telephonically or electronically) of interstate or foreign commerce of, or any facilities of a national securities exchange of) any jurisdiction outside of the United Kingdom. The information on this section of the website does not constitute an offer or invitation to buy or sell securities other than to persons within the United Kingdom (subject to certain exceptions) and does not constitute investment advice. Further, it does not constitute a recommendation by Renaissance Capital to sell or buy securities of Sibir. Basis of access The documents contained in this section of the website speak only as of the respective dates on which they are issued by or on behalf of Gazprom Neft. The contents of those documents can become out-of-date. Neither Renaissance Capital nor Gazprom Neft makes any commitment, and Renaissance Capital and Gazprom Neft expressly disclaim any duty, to update any of those documents. Individual statements appearing in such documents are intended to be read in conjunction with and in the context of the complete documents in which they appear and to include any documents incorporated therein by reference thereto, rather than as stand-alone statements. Any opinions, forecasts or estimates contained in those documents constitute a judgement as at the date of initial publication and there can be no assurance that future results or events will be consistent with any such opinions, forecasts or estimates. Renaissance Capital reserves the right to add, modify or delete any information on this website at any time. No rights of any kind are licensed or assigned or shall otherwise pass to any persons accessing this information. If you are not permitted to view materials on this website or are in any doubt as to whether you are permitted to view these materials, please exit this website. Confirmation of understanding and acceptance of disclaimer I confirm and represent to Gazprom Neft and Renaissance Capital that: I have read and understood the disclaimer set out above; I understand that it may affect my rights; I agree to be bound by its terms; I am a person resident within the United Kingdom; and I am permitted by applicable law to proceed and view this site. I understand that Gazprom Neft and Renaissance Capital shall rely on my representations, confirmations and acknowledgements.

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