Director Shareholding

Tullow Oil PLC
29 March 2001

                       DEALINGS BY DIRECTORS


1)  NAME OF COMPANY

TULLOW OIL PLC



2)  NAME OF DIRECTOR

AIDAN HEAVEY


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 or in respect of an non-beneficial interest

AS ABOVE

4)  Name of the registered holder(s) and, if more than one holder, the
    number of shares held by each of them. (If notified)

BARRYMORE TRUST, A/C AIDAN HEAVEY


5)  Please state whether notification relates to a person(s) connected
    with the Director named in 2 above and identify the connected person(s)



6)  Please state the nature of the transaction. For PEP transactions
    please indicate whether general/single co PEP and if discretionary/non
    discretionary

SALE OF SHARES


7)  Number of shares/amount of
    stock acquired



8)   (N/A %)
    of issued Class


9)  Number of shares/amount
    of stock disposed

2,373,129


10)  (0.67 %)
    of issued Class


11) Class of security

ORDINARY SHARE OF 10P



12) Price per share


88P

13) Date of transaction

27 MARCH 2001



14) Date company informed

28 MARCH 2001


15) Total holding following this notification


4,533,400

16) Total percentage holding of issued class following this notification


1.3%

     IF A DIRECTOR HAS BEEN GRANTED OPTIONS BY THE COMPANY PLEASE
                    COMPLETE THE FOLLOWING BOXES

17) Date of grant



18) Period during which or date on which exercisable



19) Total amount paid (if any) for grant of the option



20) Description of shares or debentures involved: class, number.



21) Exercise price (if fixed at time of grant) or indication that price
    is to be fixed at time of exercise



22) Total number of shares or debentures over which options held
    following this notification



23) Any additional information



24) Name of contact and telephone number for queries

MICHAEL ANSELL : 020  7597 5175


25) Name and signature of authorised company official responsible for
    making this notification


   Date of Notification         29 MARCH 2001
                        



                       DEALINGS BY DIRECTORS


1)  NAME OF COMPANY

TULLOW OIL PLC



2)  NAME OF DIRECTOR

AIDAN HEAVEY


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 or in respect of an non-beneficial interest

AS ABOVE

4)  Name of the registered holder(s) and, if more than one holder, the
    number of shares held by each of them. (If notified)



5)  Please state whether notification relates to a person(s) connected
    with the Director named in 2 above and identify the connected person(s)



6)  Please state the nature of the transaction. For PEP transactions
    please indicate whether general/single co PEP and if discretionary/non
    discretionary

EXERCISE OF OPTIONS


7)  Number of shares/amount of
    stock acquired

1,466,600


8)   (0.42%)
    of issued Class


9)  Number of shares/amount
    of stock disposed




10)  ( %)
    of issued Class


11) Class of security

ORDINARY SHARE OF 10P

12) Price per share


A WEIGHTED AVERAGE EXERCISE PRICE OF IR 47.9P


13) Date of transaction

28 MARCH 2001



14) Date company informed

28 MARCH 2001


15) Total holding following this notification

6,000,000


16) Total percentage holding of issued class following this notification

1.7%


     IF A DIRECTOR HAS BEEN GRANTED OPTIONS BY THE COMPANY PLEASE
                    COMPLETE THE FOLLOWING BOXES

17) Date of grant



18) Period during which or date on which exercisable



19) Total amount paid (if any) for grant of the option



20) Description of shares or debentures involved: class, number.



21) Exercise price (if fixed at time of grant) or indication that price
    is to be fixed at time of exercise



22) Total number of shares or debentures over which options held
    following this notification



23) Any additional information



24) Name of contact and telephone number for queries

MICHAEL ANSELL : 020  7597 5175


25) Name and signature of authorised company official responsible for
    making this notification

   Date of Notification         29 MARCH 2001