Borr Drilling Limited - First Day of Trading on Euronext Growth in Oslo and Publication of Information Document

Hamilton, Bermuda - 19 December 2025, Borr Drilling Limited ("the Company")
(NYSE:?BORR, Euronext Growth Oslo: BORR) announces that the first day of trading
of the Company's shares on Euronext Growth Oslo in Norway is today, December 19,
2025, under the ticker code "BORR".

Owners of BORR shares in the Norwegian VPS register will again be able to trade
their shares in the Norwegian market. The Company expects to carry out a full up
-listing on Euronext Oslo Børs (Oslo Stock Exchange) within the first half of
2026. Shareholders holding shares on NYSE through DTC may also elect to convert
their shares from DTC to VPS, and should contact the bank or broker holding the
shares to initiate the conversion.

The Company has prepared the attached information document solely for the
purpose of admission to trading on Euronext Growth Oslo. The document will also
be made available on the Company's website www.borrdrilling.com.

For further information, please contact:

Magnus Vaaler, CFO, telephone: +44 1224 289208

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the
Private Securities Litigation Reform Act of 1995, including statements with
respect to the trading of the Company's shares on Euronext Growth Oslo and the
Company's expectation to carry out a full up-listing on Euronext Oslo Børs
within the first half of 2026 and other non-historical statements.  These
forward-looking statements are based on the Company's current expectations and
beliefs and involve substantial risks and uncertainties that may cause results,
performance or achievement to materially differ from those expressed or implied
by these forward-looking statements, including risks relating to the listing of
the Company's shares on Euronext Growth Oslo and expectation of a full up
-listing on Euronext Oslo Børs and the timing thereof and other risks described
in our annual report on Form 20-F for the year ended December 31, 2024 and our
other filings with any submissions to the SEC. The forward-looking statements
made in this press release speak only as of the date of this press release.
Except as required by law, the Company undertakes no obligation to update or
revise publicly any forward-looking statements.