Vicor Corporation Conference Call Notification

ANDOVER, MA--(Marketwire - May 1, 2008) - Vicor Corporation (NASDAQ: VICR) today announced the investor conference call relating to the Company's results for the first quarter ended March 31, 2008 and other business and financial matters relating to the Company, will take place on Thursday, May 8, 2008 at 5:00 p.m. Eastern Time (ET).

Shareholders interested in participating in the teleconference should call the following telephone number at approximately 4:50 p.m. (ET) on May 8, 2008.

                            866-713-8307

                         Passcode: 76169176

Internet users can listen to a real-time audio broadcast of the conference call on the Investor Relations section of Vicor's website at www.vicorpower.com/irwebcast. Please go to the website at least 15 minutes prior to the call to register, download and install any necessary software.

The teleconference will begin promptly at 5:00 p.m. (ET). For those who cannot participate in the live teleconference, there will be a replay available shortly after the call through May 23, 2008. The replay dial-in number is 888-286-8010 and the Passcode is 50295683. In addition, a webcast replay of the conference call will also be available on the Investor Relations section of Vicor's website at www.vicorpower.com/irwebcast beginning shortly after the conclusion of the call.

The press release and financial statements will be available shortly following their release on May 8, 2008, on the Company's website at www.vicorpower.com by going to the Investor Relations section and then to Financial Press Releases.

Contact Information: Vicor Corporation Investor Relations Contact: John Leydon (978) 470-2900, Ext. 3401/3404 Fax: (978) 749-3439