Transactions of Directors etc

Tullow Oil PLC 05 July 2005 NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4R(1). (1) An issuer making a notification in respect of a transaction relating to the shares or debentures of the issuer should complete boxes 1 to 16, 23 and 24. (2) An issuer making a notification in respect of a derivative relating the shares of the issuer should complete boxes 1 to 4, 6, 8,13, 14, 16, 23 and 24. (3) An issuer making a notification in respect of options granted to a director/person discharging managerial responsibilities should complete boxes 1 to 3 and 17 to 24. (4) An issuer making a notification in respect of a financial instrument relating to the shares of the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24. Please complete all relevant boxes should in block capital letters. 1. Name of the issuer TULLOW OIL plc 2. State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.4R(1)(a); or (ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as extended by section 328) of the Companies Act 1985; or (iii) both (i) and (ii) RELATES TO (i) AND (ii) 3. Name of person discharging managerial responsibilities/director GRAHAM MARTIN 4. State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person N/A 5. Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest IN RESPECT OF PERSON REFERRED TO IN 3 ABOVE 6. Description of shares (including class), debentures or derivatives or financial instruments relating to shares ORDINARY SHARES OF 10p 7. Name of registered shareholders(s) and, if more than one, the number of shares held by each of them COMPUTERSHARE TRUSTEES LIMITED 8 State the nature of the transaction PURCHASE OF SECURITIES ('PARTNERSHIP SHARES') AND RECEIPT OF AN AWARD OF FREE SHARES ('MATCHING SHARES') UNDER AN INLAND REVENUE APPROVED SHARE INCENTIVE PLAN AT THE END OF AN ACCUMULATION PERIOD. 9. Number of shares, debentures or financial instruments relating to shares acquired 420 (210 PURCHASED PARTNERSHIP SHARES AND 210 FREE MATCHING SHARES) 10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage) 0.00006% 11. Number of shares, debentures or financial instruments relating to shares disposed N/A 12. Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage) N/A 13. Price per share or value of transaction 185.25p 14. Date and place of transaction 1 JULY 2005 LONDON STOCK EXCHANGE 15. Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage) 439,787 (0.68%) 16. Date issuer informed of transaction 4 JULY 2005 If a person discharging managerial responsibilities has been granted options by the issuer complete the following boxes 17 Date of grant 18. Period during which or date on which it can be exercised 19. Total amount paid (if any) for grant of the option 20. Description of shares or debentures involved (class and number) 21. Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise 22. Total number of shares or debentures over which options held following notification 23. Any additional information THE MATCHING SHARES MUST NORMALLY BE HELD IN TRUST FOR A PERIOD OF THREE YEARS AFTER WHICH THEY MAY EITHER BE LEFT IN TRUST OR WITHDRAWN (AND EITHER RETAINED OR SOLD). ALL OR SOME OF THE MATCHING SHARES MAY BE LOST ON CESSATION OF EMPLOYMENT (EXCEPT IN CERTAIN COMPASSIONATE CIRCUMSTANCES) AND ON DISPOSAL WITHIN THREE YEARS OF THE CORRESPONDING PARTNERSHIP SHARES. 24. Name of contact and telephone number for queries RICHARD TAYLOR 0207 255 8784 Name and signature of duly authorised officer of issuer responsible for making notification Date of notification 5 JULY 2005 NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4R(1). (1) An issuer making a notification in respect of a transaction relating to the shares or debentures of the issuer should complete boxes 1 to 16, 23 and 24. (2) An issuer making a notification in respect of a derivative relating the shares of the issuer should complete boxes 1 to 4, 6, 8,13, 14, 16, 23 and 24. (3) An issuer making a notification in respect of options granted to a director/person discharging managerial responsibilities should complete boxes 1 to 3 and 17 to 24. (4) An issuer making a notification in respect of a financial instrument relating to the shares of the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24. Please complete all relevant boxes should in block capital letters. 1. Name of the issuer TULLOW OIL plc 2. State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.4R(1)(a); or (ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as extended by section 328) of the Companies Act 1985; or (iii) both (i) and (ii) RELATES TO (i) AND (ii) 3. Name of person discharging managerial responsibilities/director THOMAS HICKEY 4. State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person N/A 5. Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest IN RESPECT OF PERSON REFERRED TO IN 3 ABOVE 6. Description of shares (including class), debentures or derivatives or financial instruments relating to shares ORDINARY SHARES OF 10p 7. Name of registered shareholders(s) and, if more than one, the number of shares held by each of them COMPUTERSHARE TRUSTEES (IRELAND) LIMITED 8 State the nature of the transaction TRUSTEE PURCHASE OF SECURITIES ('PARTNERSHIP SHARES') AND RECEIPT OF AN AWARD OF FREE SHARES ('MATCHING SHARES') UNDER A REVENUE APPROVED SHARE INCENTIVE PLAN AT THE END OF AN ACCUMULATION PERIOD FOR SAVINGS 9. Number of shares, debentures or financial instruments relating to shares acquired 550 (275 PURCHASED PARTNERSHIP SHARES AND 275 FREE MATCHING SHARES) 10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage) 0.0008% 11. Number of shares, debentures or financial instruments relating to shares disposed N/A 12. Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage) N/A 13. Price per share or value of transaction Euro 2.7263 14. Date and place of transaction 1 JULY 2005 IRISH STOCK EXCHANGE 15. Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage) 104,248 (0.016%) 16. Date issuer informed of transaction 4 JULY 2005 If a person discharging managerial responsibilities has been granted options by the issuer complete the following boxes 17 Date of grant 18. Period during which or date on which it can be exercised 19. Total amount paid (if any) for grant of the option 20. Description of shares or debentures involved (class and number) 21. Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise 22. Total number of shares or debentures over which options held following notification 23. Any additional information THE PARTNERSHIP AND MATCHING SHARES WILL NORMALLY BE HELD IN TRUST FOR A PERIOD OF TWO YEARS AFTER WHICH THE MATCHING SHARES MAY BE LEFT IN TRUST FOR A FURTHER YEAR WHEN THEY ARE AUTOMATICALLY TRANSFERRED TO THE PARTICPANT. PARTNERSHIP SHARES AND MATCHING SHARES MAY BE SOLD OR TRANSFERRED BEOFRE THE EXPIRY OF THE TWO YEAR HOLDING PERIOD ON CESSATION OF EMPLOYMENT IN CERTAIN COMPASSIONATE CIRCUMSTANCES. 24. Name of contact and telephone number for queries RICHARD TAYLOR 0207 255 8784 Name and signature of duly authorised officer of issuer responsible for making notification Date of notification 5 JULY 2005 NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4R(1). (1) An issuer making a notification in respect of a transaction relating to the shares or debentures of the issuer should complete boxes 1 to 16, 23 and 24. (2) An issuer making a notification in respect of a derivative relating the shares of the issuer should complete boxes 1 to 4, 6, 8,13, 14, 16, 23 and 24. (3) An issuer making a notification in respect of options granted to a director/person discharging managerial responsibilities should complete boxes 1 to 3 and 17 to 24. (4) An issuer making a notification in respect of a financial instrument relating to the shares of the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24. Please complete all relevant boxes should in block capital letters. 1. Name of the issuer TULLOW OIL plc 2. State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.4R(1)(a); or (ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as extended by section 328) of the Companies Act 1985; or (iii) both (i) and (ii) RELATES TO (i) 3. Name of person discharging managerial responsibilities/director PAUL McDADE 4. State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person N/A 5. Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest IN RESPECT OF PERSON REFERRED TO IN 3 ABOVE 6. Description of shares (including class), debentures or derivatives or financial instruments relating to shares ORDINARY SHARES OF 10p 7. Name of registered shareholders(s) and, if more than one, the number of shares held by each of them COMPUTERSHARE TRUSTEES LIMITED 8 State the nature of the transaction PURCHASE OF SECURITIES ('PARTNERSHIP SHARES') AND RECEIPT OF AN AWARD OF FREE SHARES ('MATCHING SHARES') UNDER AN INLAND REVENUE APPROVED SHARE INCENTIVE PLAN AT THE END OF AN ACCUMULATION PERIOD. 9. Number of shares, debentures or financial instruments relating to shares acquired 420 (210 PURCHASED PARTNERSHIP SHARES AND 210 FREE MATCHING SHARES) 10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage) 0.00006% 11. Number of shares, debentures or financial instruments relating to shares disposed N/A 12. Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage) N/A 13. Price per share or value of transaction 185.25p 14. Date and place of transaction 1 JULY 2005 LONDON STOCK EXCHAGE 15. Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage) 16. Date issuer informed of transaction 4 JULY 2005 If a person discharging managerial responsibilities has been granted options by the issuer complete the following boxes 17 Date of grant 18. Period during which or date on which it can be exercised 19. Total amount paid (if any) for grant of the option 20. Description of shares or debentures involved (class and number) 21. Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise 22. Total number of shares or debentures over which options held following notification 23. Any additional information THE MATCHING SHARES MUST NORMALLY BE HELD IN TRUST FOR A PERIOD OF THREE YEARS AFTER WHICH THEY MAY EITHER BE LEFT IN TRUST OR WITHDRAWN (AND EITHER RETAINED OR SOLD). ALL OR SOME OF THE MATCHING SHARES MAY BE LOST ON CESSATION OF EMPLOYMENT (EXCEPT IN CERTAIN COMPASSIONATE CIRCUMSTANCES) AND ON DISPOSAL WITHIN THREE YEARS OF THE CORRESPONDING PARTNERSHIP SHARES. 24. Name of contact and telephone number for queries RICHARD TAYLOR 0207 255 8784 Name and signature of duly authorised officer of issuer responsible for making notification Date of notification 5 JULY 2005 This announcement has been issued through the Companies Announcement Service of the Irish Stock Exchange. This information is provided by RNS The company news service from the London Stock Exchange SISEIW

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