Корпоративное действие OJSC ROSNEFT REGS GDR — buyback offer

We have been advised by euroclear on below

Euroclear bank has been advised of a buyback offer on the above
Mentioned security.

Information source: www.rosneft.com

This event is subject to the approval of the shareholders at the
Meeting to be held on 10/04/12.

Eligibility:

Gdr holders that:
(i) owned their positions as of the meeting record date
(ii) either voted against or did not submit a vote in respect of
The resolution 1 (subject to its approval at the meeting) or part
1 of resolution 2 (subject to its approval at the meeting),
Can have their shares purchased by rosneft at a fixed price, as
Determined by the company’s board of directors.

Price:

Usd equivalent of rub 212.00 net of a cancellation fee of usd 0.05
Per gdr cancelled.

The independent valuation of rosneft’s share price was ordered by
Rosneft and conducted by cjsc
’professional evaluation center’ (the ’pec’) as of 31/12/11, in
Total compliance with the requirements of the russian law. The
Valuation was confirmed by the non-commercial partnership
’association of professional appraisers’.

The market price of rosneft’s stock was calculated as 6-month
(ended 31/12/12) weighted average price on micex and lse and
Amounted to rub 212 per share.

Payment date:

It is expected that cash will be remitted by rosneft to the
Depositary no later than 24/06/12. The depositary will convert all
Received funds to usd and remit any payments owing to a
Participating gdr holder through the applicable clearing system

Pro-ration:

If the value of stock to be repurchased by rosneft exceeds 10
Percent of the net asset value, the stock will be repurchased on
A pro-rata share basis.

Certification:

Gdr holders will have to certify that they owned the gdrs as of
The record date and either voted against or did not submit any
Voting instruction with respect to the resolution 1 or
Resolution 2.

Withdrawal rights

Instructions may be withdrawn at the latest two hours before the
Deadline

The agent has not released any official information yet

For information regarding the meeting to be held on 10/04, refer
To the event number 6718365.

More information will be provided as soon as available