Shelf Drilling - Mandatory Notification of Trade by Primary Insider

Dubai, 30 August 2022: John K. Castle, non-executive director and primary insider, has today acquired 100,000 shares in Shelf Drilling, Ltd. Please see attached form for details. About Shelf Drilling Shelf Drilling is a leading international shallow water offshore drilling contractor with rig operations across Middle East, Southeast Asia, India, West Africa and the Mediterranean. Shelf Drilling was founded in 2012 and has established itself as a leader within its industry through its fit-for-purpose strategy and close working relationship with industry leading clients. The company is incorporated under the laws of the Cayman Islands with corporate headquarters in Dubai, United Arab Emirates. The company is listed on the Oslo Stock Exchange under the ticker "SHLF". Additional information about Shelf Drilling can be found at www.shelfdrilling.com. Contact details For questions or comments, please contact investor.relations@shelfdrilling.com This information is subject to the disclosure requirements pursuant to article 19 of the EU Market Abuse Regulation and section 5-12 of the Norwegian Securities Trading Act.