PRESS RELEASE
SHELF DRILLING PRIMARY INSIDER NOTIFICATION

Dubai, 15 May 2021: Reference is made to the announcement by Shelf Drilling,
Ltd. ("Shelf Drilling" or the "Company", OSE: SHLF) today, regarding the
issuance of 245,394 new common shares in the Company without any consideration,
as settlement of restricted stock units ("RSUs") under the Company's 2017
Long-Term Incentive Plan.
 
In order to cover taxes payable by certain RSU holders upon delivery of the
common shares, the Company will facilitate, on behalf of those certain RSU
holders, the sale of 35,139 common shares in the market.

The following primary insiders of the Company have today been issued the number
of common shares in the Company set out against their name as settlement of an
equivalent number of RSUs, being one third of the RSUs awarded on 15 May 2019: 

David Mullen (CEO)
Common shares issued: 91,103  

William Hoffman (COO) 
Common shares issued: 53,546  
17,135 of the common shares will be sold to cover taxes payable by Mr. Hoffman.

Gregory O'Brien (CFO) 
Common shares issued: 33,466  
16,398 of the common shares will be sold to cover taxes payable by Mr. O'Brien.

Ian Clark (EVP) 
Common shares issued: 37,185

Following the settlement of the RSUs, and the sale of shares to cover takes
(where applicable):

Mr. Mullen holds 1,098,942 common shares in the Company, 428,568 RSUs and
779,507 PSUs. 
Mr. Hoffman holds 603,029 common shares in the Company, 251,892 RSUs and 458,159
PSUs.
Mr. O'Brien holds 288,680 common shares in the Company, 157,432 RSUs and 286,349
PSUs.
Mr. Clark holds 464,413 common shares in the Company, 174,925 RSUs and 318,166
PSUs.

Please see attached forms 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 section
5-12 of the Norwegian Securities Trading Act.

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