X0306 4 2013-10-01 1 0001050550 VOLTERRA SEMICONDUCTOR CORP VLTR 0001221196 QUINSEY RALPH C/O TRIQUINT SEMICONDUCTOR INC 2300 NE BROOKWOOD PKWY HILLSBORO OR 97124 1 0 0 0 Common Stock 2013-10-01 4 D 0 8500 D 0 D Restricted Stock Unit 2013-10-01 4 D 0 3600 0.00 D 2020-04-14 Common Stock 3600 0 D Pursuant to the terms of the Plan of Merger Agreement by and between Maxim Integrated Products, Inc. and Volterra Semiconductor Corporation (the "Merger Agreement"), each share of Volterra common stock was validly tendered for $23.00 per share in cash, without interest, subject to any required witholding of taxes. As reported on Form 4 dated April 17, 2013, the reporting person received a grant of 3,600 Restricted Stock Units (RSUs) on April 15, 2013, to vest in full on the earlier of (i) the first anniversary of such date of grant or (ii) the day prior to the date of the first annual meeting following the date such grant was made. At the Effective time (as defined in the Merger Agreement), the RSUs are fully accelerated and converted into the right to receive $23.00 per share in cash, without interest, subject to any required withholding of taxes. /s/David Oh, by Power of Attorney 2013-10-01