X0303 4 2009-06-06 0001022705 TESCO CORP TESO 0001364531 Quintana Julio M 3993 W. SAM HOUSTON PARKWAY N. SUITE 100 HOUSTON TX 77043 1 1 President and CEO Common Stock 2009-06-06 2009-06-08 4 M 0 6666 9.29 A 63908.2889 D Restricted Stock Unit 0 2009-06-06 2009-06-08 4 M 0 6666 0 D 2011-06-06 Common Stock 6666 13334 D The RSUs vested on the anniversary date which, in this case, was a Saturday. The deemed effective date is Monday, June 8, 2009. The RSUs vested on the anniversary date which, in this case, was a Saturday. The deemed effective date is Monday, June 8, 2009. On June 6, 2008, the Reporting Person received a grant of Restricted Stock Units ("RSUs") under the Amended and Restated 2005 Tesco Corporation Incentive Plan (the "Plan"). 6,666 RSUs vested on the anniversary date which, in this case, was a Saturday. The deemed effective date is Monday, June 10, 2009. 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 6,666 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 at US$ 9.29. Includes 11,342.288965 shares held in Reporting Person's name in the Plan, 5,220.308965 of which were purchased directly from the Company?s Amended and Restated Employee Stock Savings Plan. The Company redeemed 6,666 RSUs from a grant received by the Reporting Person on June 6, 2008. 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. James A. Lank, Attorney-in-Fact 2009-06-10