X0306 4 2013-11-12 0001316625 Silicon Graphics International Corp SGI 0001312322 Pileggi Jennifer C/O SGI 46600 LANDING PARKWAY FREMONT CA 94538 1 SVP, General Counsel/Corp Sec Common Stock 2013-11-12 4 M 0 781 0 A 9895 D Common Stock 2013-11-12 4 F 0 293 12.19 D 9602 D Restricted Stock Units 2013-11-12 4 M 0 781 0 A 2013-11-12 Common Stock 781 29219 D Upon vesting, each restricted stock unit was converted into an equivalent number of shares of the Company's common stock. These shares were retained by the Company in order to meet the tax wihholding obligations of the award holder in connection with the vesting of an installment of the restricted stock award. The amount retained by the Company was not in excess of the amount of the tax liability. Each restricted stock unit represents a contingent right to receive one share of Common Stock. Restricted stock units have no expiration date. /s/ Jennifer Pratt as Attorney-in-Fact for Jennifer W. Pileggi 2013-11-13