JKX.L Regulatory News (JKX)

17 Oct 2007 10:05

JKX Oil & Gas PLC17 October 2007 For filings with the FSA include the annexFor filings with issuer exclude the annex TR-1: Notifications of Major Interests in Shares 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: JKX OIL & GAS PLC 2. Reason for notification (please place an X inside the appropriate bracket/s): An acquisition or disposal of voting rights: (YES) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify) : ( ) 3. Full name of person(s) subject to notification obligation: JPMORGAN CHASE & CO 4. Full name of shareholder(s) (if different from 3) : JPMORGAN ASSET MANAGEMENT (UK) LIMITED 5. Date of transaction (and date on which the threshold is crossed or reached if different): 12 OCTOBER 2007 6. Date on which issuer notified: 16 OCTOBER 2007 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified Details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible use the Triggering transaction ISIN CODE Number of shares Number of voting Rights GB0004697420 BELOW 5% BELOW 5% Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible use ISIN CODE Direct Indirect Direct Indirect 7,851,868 7,851,868 5.05% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/conversion No. of voting % of voting financial period/date rights that may rights instrument be acquired (if the instrument exercised/ converted) N/A Total (A+B)Number of voting rights % of voting rights 7,851,868 5.05% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: TOTAL DISCLOSABLE HOLDING FOR JPMORGAN CHASE & CO : 7,851,868 (5.05%) HOLDINGS BY CONTROLLED UNDERTAKINGS OF JPMORGAN CHASE & CO ARE AS FOLLOWS:JPMORGAN ASSET MANAGEMENT (UK) LIMITED: 7,851,868 (5.05%) Proxy Voting: 10. Name of proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: PLEASE NOTE THE GROUP HAS OTHER HOLDINGS WHICH ARE COVERED BY EXEMPTIONS 14. Contact name: TRACEY YOUNG 15. Contact telephone number: 020 7325 4513 For notes on how to complete form TR-1 please see the FSA website. Note: Annex should only be submitted to the FSA not the issuer Annex: Notification of major interests in shares A: Identity of the persons or legal entity subject to the notification obligation Full name (including legal form of legal entities): Contact address (registered office for legal entities): Phone number & email: Other useful information (at least legal representative for legal persons): B: Identity of the notifier, if applicable Full name: Contact address: Phone number & email: Other useful information (e.g. functional relationship with the person or legalentity subject to the notification obligation): C: Additional information : This information is provided by RNS The company news service from the London Stock Exchange