JKX.L Regulatory News (JKX)

13 May 2005 09:09

JKX Oil & Gas PLC13 May 2005 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) NAME OF COMPANY JKX OIL & GAS PLC 2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST FMR CORP. AND FIDELITY INTERNATIONAL LIMITED 3) Please state whether notification indicates that it is in respect of holding of the Shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 AS IN 2 ABOVE 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them. SEE ATTACHMENT A 5) Number of shares/amount of stock acquired. 1,501,633 6) Percentage of issued Class (any treasury shares held by company should not be taken into account when calculating percentage) 1.047% 7) Number of shares/amount of stock disposed N/A 8) Percentage of issued Class (any treasury shares held by company should not be taken into account when calculating percentage) N/A 9) Class of security ORDINARY SHARES OF 10P EACH 10) Date of transaction NOT DISCLOSED 11) Date company informed 12 MAY 2005 12) Total holding following this notification 11,572,978 13) Total percentage holding of issued class following this notification (any treasury shares held by company should not be taken into account when calculating percentage) 8.065% 14) Any additional information N/A 15) Name of contact and telephone number for queries SUE RIVETT0207 323 4464 16) Name and signature of authorised company official responsible for making this notification Date of Notification ........ 13 May 2005 ................ ATTACHMENT A (JKX OIL & GAS PLC) SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES Name of the registered holder(s) and, if more than one holder, the number ofshares held by each of them JP Morgan, Bournemouth 11,296,478National ASTL BK Melbourne 89,300Brown Brothers Harriman and Co 70,191Bank of New York 5JP Morgan Chase Bank 67,200Northern Trust 4State Street Bank and TR Co 49,800TOTAL 11,572,978 This information is provided by RNS The company news service from the London Stock Exchange