Ig Seismic S Regulatory News (IGSS)

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This press release is not an offer for sale of any securities in the United States. Securities may not be offered or sold in the United Sates absent registration or an exemption from registration under the U.S. Securities Act of 1933, as amended (the "Securities Act"). IG Seismic Services PLC has not registered and does not intend to register any portion of any offering in the United States or to conduct a public offering of any securities in the United States.

12 December 2012

IG Seismic Services PLC

IGSS GDRs Commence Trading on the London Stock Exchange

IG Seismic Services PLC ("IGSS" or the "Company"), the leading pure-play land and transition zone seismic company in Russia and the CIS and one of the largest land seismic companies globally, announces that its GDRs were admitted to the Official List maintained by the UK Listing Authority on 11 December and will start trading on the London Stock Exchange's main market at 8.00 a.m. London Time today.

On Admission approximately 30.2% of the Company's shares are listed in the form of GDRs under TIDM code IGSS.

Nikolay Levitskiy, IGSS's Chief Executive Officer, commented:

"We are very pleased to announce the admission of IGSS to the Main Market of the London Stock Exchange.

"We believe that IGSS has significant potential to meet the growing demand for value-added high technology services, such as high-density acquisition and advanced data processingand interpretation, as the leading land and transition zone seismic company in Russia and the CIS.

"IGSS's listing underscores our commitment to high standards of corporate governance and will allow us to further build our business in Russia's most important frontier hydrocarbon regions, by capitalising on our size, geographic reach and business partnership with Schlumberger."

Enquiries

For further information please visit www.igseis.com or contact:

IGSS Media Relations

Victoria Smirnova

+ 7 495 580 7882 ext. 396

v.smirnova@igseis.com

FTI Consulting

London: Larisa Kogut-Millings / Ben Brewerton / Ed Westropp

+44 20 7831 3113

larisa.millings@fticonsulting.com / ben.brewerton@fticonsulting.com / ed.westropp@fticonsulting.com

Moscow: Oleg Leonov / Maria Shiryaevskaya

+7 495 795 0623

Oleg.Leonov@fticonsulting.com / maria.shiryaevskaya@fticonsulting.com

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This communication is an advertisement and not a prospectus for the purposes of applicable measures implementing EU Directive 2003/71/EC (such Directive, together with any applicable implementing measures in the relevant home Member State under such Directive, the "Prospectus Directive") and as such does not constitute an offer to sell or the solicitation of an offer to purchase securities. A prospectus prepared pursuant to the Prospectus Directive will be published, which, when published, will be published in accordance with the Prospectus Directive. Investors should not subscribe for any securities referred to in this document except on the basis of information contained in the prospectus.

Information contained herein is not an offer, or an invitation to make offers, sell, purchase, exchange or transfer any securities in Russia or to or for the benefit of any Russian person or any person in the Russian Federation, and does not constitute an advertisement or offering of any securities in Russia within the meaning of Russian securities laws to any person other than as permitted by Russian law. This information must not be passed on to third parties or otherwise be made publicly available in

Russia. The Securities have not been and will not be registered in Russia or admitted to public placement and/or public circulation in Russia. The Securities are not intended for "offering", "placement" or "circulation" in Russia, except as permitted by Russian law (each as defined in Russian securities laws).

Certain statements in this press release are not historical facts and are "forward looking" within the meaning of Section 27A of the Securities Act and Section 21E of the U.S. Securities Exchange Act of 1934, as amended. Forward looking statements include statements concerning our plans, expectations, projections, objectives, targets, goals, strategies, future events, future revenues or performance, capital expenditures, financing needs, plans or intentions relating to acquisitions, our competitive strengths and weaknesses, financial position and future operations and development, our business strategy and the trends we anticipate in the industries and the political and legal environment in which we operate and other information that is not historical information. You can identify forward looking statements by terms such as "aim", "expect", "believe", "anticipate", "estimate", "forecast", "intend", "will", "could", "may" or "might" the negative of such terms or other similar expressions. Many factors could cause the actual results to differ materially from those contained in our projections or forward-looking statements, including, among others, general economic conditions, our competitive environment, risks associated with operating in Russia, rapid technological and market change in our industries, as well as many other risks specifically related to the company and its operations.

The forward-looking statements contained herein are based upon various assumptions, many of which are based, in turn, upon further assumptions, which may include without limitation, the Company's examination of historical operating trends, data contained in the Company's records and other data available from third parties. By their very nature, forward looking statements involve inherent risks and uncertainties, both general and specific, and risks exist that the predictions, forecasts, projections and other forward looking statements will not be achieved. Given these risks and uncertainties, you are cautioned not to place undue reliance on such forward looking statements. We do not intend and we do not assume any obligation to update any forward looking statement contained herein.