IGSS request to cancel listing of GDRs UPDATE

IG Seismic Services PLC

IG Seismic Services PLC ("IGSS") request to cancel the listing and trading of its GDRs - UPDATE

17 April 2015

On 7 April 2015 IGSS announced, among other things, that:

(a) it had sent a request to the London Stock Exchange and the Financial Conduct Authority to cancel the listing and trading of its Global Depositary Receipts ("Cancellation") effective as of 30 June 2015; and

(b) shortly thereafter, it intended to effect a change of its shareholder base and corporate group ("Change").

It has now become apparent that the consent of certain of IGSS's financing banks ("Consent") is required for the Cancellation and Change pursuant to financing documentation IGSS has entered into with them. It is not yet clear whether or when the Consent will be forthcoming.

As a consequence, although IGSS still intends to proceed with the Cancellation and Change, it is not yet clear whether or when these will occur, depending on receipt of the Consent. In turn, IGSS intends to delay termination of its GDR program until further clarity is obtained.

Further updates will be announced when appropriate.

Contacts:

IGSS Investor Relations

Alla Muzhzhevleva

+ 7 495 580 7882

query@igseis.com

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