Admission of New Ordinary Shares and TVR

FOR IMMEDIATE RELEASE                                                                                   11 January 2021

CAIRN ENERGY PLC ("Cairn" or the "Company")

Admission of New Ordinary Shares and Total Voting Rights

Following Shareholder approval of the Return of Cash at the General Meeting of Cairn which was held on 8 January 2021, it is expected that the New Ordinary Shares in the Company will be admitted to the Official List maintained by the Financial Conduct Authority and will commence trading on the Main Market of the London Stock Exchange at 8.00 a.m. today.

For the purposes of the provisions of the Disclosure and Transparency Rules, the total number of shares in the capital of the Company as at the date of this notice is as follows:

The Company does not hold any shares in treasury.

Following admission at 8.00 a.m. today, the above figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Disclosure and Transparency Rules.

If you hold your Existing Ordinary Shares in uncertificated form, your CREST account will be automatically credited with New Ordinary Shares as soon as practicable after 8.00 a.m. today under ISIN GB00BN0SMB92. If you hold your Existing Ordinary Shares in certificated form, it is expected that your New Ordinary Share certificate will be sent to you on 25 January 2021.

Further details of the Return of Cash are contained in the circular to Shareholders dated  17 December 2020 (the "Circular"). Terms defined in the Circular have the same meaning when used in this announcement.