X0202 4 2008-05-18 0001022705 TESCO CORP TESO 0001364328 Robertson Norman W 3993 W. SAM HOUSTON PARKWAY N. SUITE 100 HOUSTON TX 77043 1 Common Stock 2008-05-18 4 M 0 733 0 A 23733 D Restricted Stock Unit 0 2008-05-18 4 M 0 733 0 D Common Stock 733 1467 D On May 18, 2007, the Reporting Person received a grant of Restricted Stock Units ("RSUs") under the Amended and Restated 2005 Tesco Corporation 2005 Incentive Plan (the "Plan"). 733 RSUs vested on May 18, 2008 and under the terms of the Plan, the Company redeemed such vested RSUs for an equal number of shares of the Company's common stock. The defined terms in this footnote are used in other footnotes throughout this Form 4. The Reporting Person received 733 shares of the Company's common stock upon the vesting and redemption of an equal number of RSUs. The Reporting Person received the shares at no cost. The market value of the shares of common stock was calculated in accordance with the Plan. Based on the noon rate of exchange of the Bank of Canada on the date of redemption, the market value is US$ 31.24. The actual market value is C$ 31.24. The Company redeemed 733 RSUs that vested on May 18, 2008 from a grant received on May 18, 2007. Under the terms of the Plan, there was no conversion price. The RSUs vest equally over three years on the anniversary date of the grant date. The RSUs expire on May 18, 2010. James A. Lank, Attorney-in-Fact 2008-05-20