X0202 4 2007-05-11 0001022705 TESCO CORP TESO 0001364332 Kayl Robert L 3993 W. SAM HOUSTON PARKWAY N. SUITE 100 HOUSTON TX 77043 1 V.P. Tx & Treasury Common Stock 2007-05-11 4 M 0 5000 12.28 A 5000 D Common Stock 2007-05-11 4 S 0 5000 31.38 D 0 D Option to Purchase 12.28 2007-05-11 4 M 0 5000 0 D 2012-08-15 Common Stock 5000 16500 D The Reporting Person exercised an option to purchase 5,000 shares from a grant dated 08/15/2005. The exercise price was C$ 14.97. Based on the closing rate of exchange of the Bank of Canada on the date of exercise (05/11/2007), the converted price is $13.46 USD. Based on the closing rate of exchange of the Bank of Canada on the date of grant, the converted price was $12.28 USD. The sale price was converted from the actual per share price of C$ 34.90 using the closing rate of exchange of the Bank of Canada on the date of sale (05/11/2007). Based on the closing rate of exchange of the Bank of Canada on the date of grant, the exercise price was converted to $ 12.28 USD. The actual exercise price was C$ 14.97. Based on the closing rate of exchange of the Bank of Canada on the date of exercise (05/11/2007), the converted price is $13.46 USD. The Option to Purchase vested in three annual installments of 8,500, 8,250 and 8,250 respectively beginning 08/15/2006. James A. Lank, Attorney-in-Fact 2007-05-14