GDRs confirmation

IG Seismic Services PLC

GDRs CONFIRMATION

Moscow, November 18, 2013

In accordance with Rule 2.10 of the Code, IG Seismic Services PLC (IGSS) confirms that, at the close of business on 15 November 2013, it had 20 833 400 unlisted ordinary shares of US$0.01 nominal value each in IGSS in issue, of which 9,007,858 ordinary shares are represented by 4,503,929 global depositary receipts admitted to trading on the London Stock Exchange with the following ISINs:

in relation to Rule 144A - US4495971032

in relation to Reg S - US4495972022

Shareholders and holders of global depositary receipts should use the total number of 20 833 400 ordinary shares when calculating their disclosable interests in the share capital and/or voting rights of IGSS, and are reminded that each global depositary receipt is equivalent to 2 ordinary shares.

For further information please visit www.igseis.com.