ARMS.L Regulatory News (ARMS)

For filings with the FSA include the annex For filings with issuer exclude the annex TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuer of existing shares to which

Bumi plcvoting rights are attached:ii 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights x

An acquisition or disposal of qualifying financial instruments which may result

in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments An event changing the breakdown of voting rights Other (please specify):

3. Full name of person(s) subject to the notification obligation:iii

Nathaniel Philip Victor James Rothschild 4. Full name of shareholder(s) (if different from 3.):iv

Forest Nominees Limited a/c GC1

Chase Nominees Limited 5. Date of the transaction and date on which the threshold is crossed or 9.1.2013 (12%) reached: v 11.1.2013 (13%) 14.1.2014 (14%) 6. Date on which issuer notified: 14.1.2013 7. Threshold(s) that is/are crossed or reached: vi, vii 12% holding of voting rights. 13% holding of voting rights. 14% holding of voting rights. 8. Notified details:A: Voting rights attached to shares viii, ix Class/type of Situation previous Resulting situation after shares to the triggering the triggering transaction transaction if possible using Number Number % of voting the ISIN CODE Number of Number of rights x of Voting of voting Shares Rights shares rights Direct Direct xi Indirect xii Direct Indirect Ordinary 1p shares ISINGB00B5BL 21,524,918 21,524,918 7,760,395 7,760,395 18,954,189 4.299 10.5 XT62 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of voting financial date xiii Conversion Period xiv rights that may be rights instrument acquired if the instrument is exercised/ converted. Founder As described in the Any time in four years from As described in the As described in the Securities prospectus dated 28 completion of the Bumi prospectus dated 28 prospectus dated 28 June 2011 acquisition June 2011 June 2011 C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi Resulting situation after the triggering transaction Type of financial Exercise Expiration Exercise/ Number of voting % of voting instrument price date xvii Conversion rights instrument rights xix, xx period xviii refers to Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights

Number of voting rights 26,714,584 plus contingent Percentage of voting rights 14.799 plus contingent

right under Founder Securities right under Founder Securities

9. Chain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held, if applicable: xxi Proxy Voting: 10. Name of the proxy holder: 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: N/A 14. Contact name: David Larkin 15. Contact telephone number: 01481 729466 Note: Annex should only be submitted to the FSA not the issuer Annex: Notification of major interests in sharesxxii

A: Identity of the persons or legal entity subject to the notificationobligation

Full name Nathaniel Rothschild (including legal form of legal entities) Contact address Trafalgar Court, Admiral Park, St Peter Port, Guernsey GY1 (registered office for legal entities) 3EL Phone number & email 01481729466 Other useful information (at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name David Larkin Contact address

Trafalgar Court, Admiral Park, St

Peter Port, Guernsey GY1 3EL

01481729466 Phone number & email David.larkin@artemisci.com Other useful information(e.g. functional relationship with the person or legal entity subject to the notification obligation) C: Additional information

For notes on how to complete form TR-1 please see the FSA website.