X0303 4/A 2009-11-18 2009-11-20 0001022705 TESCO CORP TESO 0001389533 Beierbach Barry E 3993 W. SAM HOUSTON PARKWAY N. SUITE 100 HOUSTON TX 77043 1 VP (Mfg. & Surface Prod. Eng.) Common Stock 2009-11-18 4 M 0 1433 0 A 5678.1693 D On November 18, 2008, the Reporting Person received a grant of Restricted Stock Units ("RSUs") under the Amended and Restated 2005 Tesco Corporation Incentive Plan (the "Plan"). The RSUs vested on the anniversary date of a grant. Under the terms of the Plan, the Company redeemed the 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 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$ 10.56. This Amendment was filed to correct a typographical error in the Transaction Date on the acquisition of common stock. It was incorrectly typed as November 19, 2009, whereas the actual acquisition was on November 18, 2009. James A. Lank, Attorney-in-Fact 2009-11-23