Shareholder presentation

11 April 2014

Thalassa Holdings Ltd

(Reuters: THAL.L, Bloomberg: THAL:LN)

("Thalassa")

Shareholder presentation

The Board is pleased to announce that an invitation to a presentation by Thalassa's Chairman, Duncan Soukup, on the Company's business and strategy, on Wednesday 7 May 2014 has been posted to all registered shareholders.

Copies of the invitation letter and reply card are available on the Company's website: http://thalassaholdingsltd.com/company-documents.htm.

Contacts:

Thalassa Holdings Ltd:

Duncan Soukup, Executive Chairman +33 (0)6 78 63 26 89

WH Ireland Limited (Nominated adviser):

Chris Fielding, Head of Corporate Finance 020 7220 1650

www.thalassaholdingsltd.com

Notes to Editor:

Thalassa Holdings Ltd, incorporated and registered in the BVI and quoted on AIM, is a holding company with subsidiaries in the Energy Services and Defence and Homeland Security Industries, with a focus on marine seismic operations.