X0202 4 2007-09-06 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 2007-09-06 4 M 0 2250 12.28 A 2250 D Common Stock 2007-09-06 4 S 0 2250 28.24 D 0 D Option to Purchase 12.28 2007-09-06 4 M 0 2250 0 D 2012-08-15 Common Stock 2250 12250 D The exercise price was converted from C$14.97 to US $12.28 using the closing rate of exchange of the Bank of Canada on the date of grant. The exercise price was $12.51 using the noon rate of exchange of the Bank of Canada on the date of grant and $14.25 using the noon rate of exchange of the Bank of Canada on the date of exercise. The actual exercise price is C$14.97 regardless of the exchange rate on the date of grant or of exercise. The sale price was converted from the actual per share price of C$29.75 using the noon rate of exchange of the Bank of Canada on the date of sale (09/06/2007). The exercise price was converted from C$14.97 to US $12.28 using the closing rate of exchange of the Bank of Canada on the date of grant. The exercise price was $12.51 using the noon rate of exchange of the Bank of Canada on the date of grant and $14.21 using the noon rate of exchange of the Bank of Canada on the date of exercise. The actual exercise price is C$14.97 regardless of the exchange rate on the date of grant or of exercise. The Option to Purchase vests in three equal annual installments beginning 08/15/2006. James A. Lank, Attorney-in-Fact 2007-09-07