X0303 4 2009-12-14 0001022705 TESCO CORP TESO 0001364327 Lowley Keith M 3993 W. SAM HOUSTON PARKWAY N. SUITE 100 HOUSTON TX 77043 1 VP (Global AMS & Supply Chain) Common Stock 2009-12-14 4 A 0 139 11.22 A 5926.4004 D Common Stock 2009-12-14 4 J 0 1.4004 0 D 5925 D The shares were acquired by the Reporting Person pursuant to the Company's Amended and Restated Employee Stock Savings Plan (the Plan). On December 14, 2009, the Company provided instructions to the Transfer Agent regarding the issuance of shares to the Plan Administrator. The share purchase price was calculated in accordance with the Plan, and funds withheld from the Reporting Person's November 2009 salary payments plus a benefit amount contributed by the Company as set forth in the Plan, funded the purchase of the shares. The whole shares are held in the Reporting Person's name in the Plan and the Reporting Person has dispositive and voting control over the shares. Any remaining amount from the contribution or benefit that was not sufficient to purchase a whole share remains on account with the Plan Administrator and will be added to the following month's amount. The share price was calculated in accordance with the Plan terms at US $11.22. Based on the noon rate of exchange of the Bank of Canada on the date of calculation, the converted price is C$ 11.88005. Includes shares held in Reporting Person's name in the Plan or purchased directly from the Company or purchased on the open market more than one year ago. Adjustment to shares to match the adjustment made by third party administrator for ESSP account to reflect the issuance of whole shares only. Fractional shares previously shown as acquisition were not actually issued, but held as cash in account. The cash that is insufficient to purchase a whole share will be carried over to subsequent month and used for share purchases in accordance with the Plan. James A. Lank, Attorney-in-Fact 2009-12-16