X0306 4 2015-08-20 0000926423 MITCHAM INDUSTRIES INC MIND 0001273663 MIDWOOD CAPITAL MANAGEMENT LLC 265 FRANKLIN STREET SUITE 903 BOSTON MA 02110 1 Common Stock 2015-08-21 4 P 0 15165 4.1895 A 1263259 I See footnotes Common Stock 3650 D The Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose. Represents shares held for the accounts of private investment funds and managed accounts for which the Reporting Person serves as investment adviser. /s/ Howard B. Rubin, Chief Operating Officer and Managing Member 2015-08-25