X0303 4 2011-06-10 1 0001317872 TomoTherapy Inc TOMO 0001111849 BALK LANCE C 1240 DEMING WAY MADISON WI 53717 1 0 0 0 Common Stock 2011-06-10 4 D 0 52900 D 0 D Disposed of pursuant to the Agreement and Plan of Merger dated as of March 6, 2011 (the "Merger Agreement") among Accuray Incorporated ("Accuray"), Jaguar Acquisition, Inc. and TomoTherapy Incorporated ("TomoTherapy"), in exchange for a combination of $166,635.00 in cash and 8,717 shares of Accuray common stock based on $3.15 per share and 0.1648 shares of Accuray Common Stock for each TomoTherapy share held. /s/ Lance D. Balk 2011-06-13