The results for the Second quarter ended 30 June 2021 will be published onThursday 26 August 2021 at 08:00 a.m. (CET) on the Oslo Stock Exchange (ticker code: SIOFF) and on Siem Offshore Inc.'swebsite www.siemoffshore.com.

 A conference call will be held on 26 August 2021 at 13:00 (CET) to review the presentation and discuss the Second quarter release. The call will be hosted by Bernt Omdal - CEO, Siem Offshore Inc. and Vidar Jerstad - CFO, Siem Offshore Inc.

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

https://us02web.zoom.us/webinar/register/WN_O1E_W_9wSK6X3pv-0ioTyw

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