Electromagnetic Geoservices ASA

Capital/Financing Update • May 16, 2018

EMGS: Mandatory notification of trade

EMGS: Mandatory notification of trade

Reference is made to the stock exchange notification published by

Electromagnetic Geoservices ASA ("EMGS" or the "Company") on 14 May 2018

pertaining to the voluntary Bond Buy-Back under the Existing Bond Issue.

On 16 May 2018, Siem Investments Inc. ("Siem Investments"), a primary insider of

EMGS, offered bonds under the Bond Buy-Back with a total nominal value of NOK

91.0 million. The bonds offered by Siem Investments will be repurchased by EMGS,

for immediate discharge, at the Bond Buy-Back offer price of 103% of the par

value, plus accrued but unpaid interest up until, but not including, the

settlement date under the Bond Buy-Back.

Following completion of the Bond Buy-Back, which is expected to take place on or

about 22 May 2018, Siem Investments will hold zero (0) bonds in the Existing

Bond Issue.

This information is subject of the disclosure requirements pursuant to section

4-2 of the Norwegian Securities Trading Act.

For further information, please contact:

Hege Veiseth, CFO, +47 99 21 67 43

About EMGS

EMGS, the marine EM market leader, uses its proprietary electromagnetic (EM)

technology to support oil and gas companies in their search for offshore

hydrocarbons. EMGS supports each stage in the workflow, from survey design and

data acquisition to processing and interpretation. The Company's services enable

the integration of EM data with seismic and other geophysical and geological

information to give explorationists a clearer and more complete understanding of

the subsurface. This improves exploration efficiency and reduces risks and the

finding costs per barrel.

EMGS operates on a worldwide basis with offices in Trondheim, Oslo, Houston,

Villahermosa, Rio de Janeiro and Kuala Lumpur.

For more information, visit www.emgs.com

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