X0306 4 2013-06-17 0 0000751978 VICOR CORP vicr 0001545814 McNamara Michael 25 FRONTAGE RD ANDOVER MA 01810 0 1 0 0 VP, BBU Quality & Tech. Ops. Non Qualified Stock Option 13.73 2013-06-17 4 D 0 25000 D 2020-08-27 Common Stock 25000 15000 D Non Qualified Stock option 6.29 2013-06-17 4 A 0 5000 A 2023-06-17 Common Stock 5000 20000 D Non Qualified Stock Option 7.34 2013-06-17 4 A 0 5000 A 2023-06-17 Common Stock 5000 25000 D Non Qualified Stock Option 8.38 2013-06-17 4 A 0 5000 A 2023-06-17 Common Stock 5000 30000 D Non Qualified Stock Option 9.43 2013-06-17 4 A 0 5000 A 2023-06-17 Common Stock 5000 35000 D Non Qualified Stock Option 10.48 2013-06-17 4 A 0 5000 A 2023-06-17 Common Stock 5000 40000 D Granted 8/27/2010 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest when certain defined performance milestones for the Company's Brick Business Unit are achieved. On 6/17/2013, the issuer canceled, pursuant to the issuer's option exchange offer, options granted to the reporting person. In exchange the reporting person received replacement options, having exercise prices ranging from $6.29 to $10.48 per share. The replacement options for the Brick Business Unit performance options are broken into 5 price increments pursuant to the offer to exchange. The 1st 5th vests on the 1st anniversary date, the 2nd 5th on the 2nd anniversary date, the 3rd 5th on the 3rd anniversary date, the 4th 5th on the fourth anniversary date, and the last 5th on the 5th anniversary date from the new options issue. /s/Kemble D. Morrison Attorney in Fact for Michael McNamara 2013-06-19