FRANKLIN, Mass., July 26 /PRNewswire-FirstCall/ -- PLC Systems Inc. (Amex: PLC - News) announced today that it expects to release to the news wire its financial results for the second quarter ended June 30, 2007 before the market opens on Thursday, August 2, 2007. The company plans to host a conference call to discuss those results at 11:00 a.m. ET on that same day.