Additional Listing

10 April 2018

Gulf Marine Services PLC ("the Company") - Additional Listing

Application has been made for the listing of 263,905 ordinary shares of 10 pence each in the Company to be admitted to the Official List of the UK Listing Authority and to trading on the London Stock Exchange. The shares will be issued in respect of the Company's 2015 Long-Term Incentive Plan.

The shares are expected to be admitted to The Official List and to trading on the London Stock Exchange on 12 April 2018 and will be fully paid and will rank pari passu in all respects with the existing issued ordinary shares of the Company.

John Brown

Company Secretary

Tel: +971 (2) 5028888

Gulf Marine Services PLC's Legal Entity Identifier is 213800IGS2QE89SAJF77