The results for the first quarter ended 31March 2021 will be published on  Monday10 May 2021 at 08:00 a.m. (CET) onthe Oslo Stock Exchange (ticker code: SIOFF) and on Siem Offshore Inc.'swebsite www.siemoffshore.com.

A conference call will be heldon  10 May 2021 at 13:00 p.m. (CET) to review the presentation and discussthe  first quarter release.

The call will be hosted byBernt Omdal - CEO, Siem Offshore Inc. and Dagfinn B. Lie - CFO, Siem OffshoreInc.

To join the audio conference,please click the link below to join the webinar:

https://us02web.zoom.us/webinar/register/WN_NQnEWcWXQiiYz8HcIs_5bg

The conference call will berecorded and made available on www.siemoffshore.com

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