PLC Plc Systems,

Medicare Panel to Review Transmyocardial Revascularization and Percutaneous Myocardial Revascularization FRANKLIN, Mass., May 28 /PRNewswire-FirstCall/ -- PLC Systems (AMEX:PLC) reported that the Center for Medicare and Medicaid Services (CMS) announced in today's Federal Register that on July 14, 2004 it will convene the Medicare Coverage Advisory Committee (MCAC). The MCAC will discuss and make recommendations regarding using transmyocardial revascularization (TMR) and percutaneous myocardial revascularization (PMR) as it relates to Medicare patients with severe angina. The July 14 MCAC meeting will be open to the public, so that individuals may have an opportunity to express their views. The MCAC is advisory in nature, and consists of clinicians and other medical experts as well as non-voting industry and consumer representatives. The MCAC advises CMS on whether specific medical items and services are reasonable and necessary. Final decisions related to medical coverage policies rest with CMS. "Working closely with our partners we will deliver to the MCAC panel the data, the evidence, and the personal experiences that support the use of the efficacious and beneficial TMR therapy," stated Mark R. Tauscher, president and CEO of PLC Systems. "We believe that the scientific data demonstrates that the TMR therapy provides positive outcomes for patients and improves their quality of life." PLC Systems is a medical technology company specializing in innovative technologies for the cardiac and vascular markets. Currently, the company is focused on two unique laser therapies for the treatments of severe angina and cardiac arrhythmias. Headquartered in Franklin, Mass., PLC pioneered the CO2 Heart Laser System that cardiac surgeons use to perform CO2 transmyocardial revascularization (TMR) to alleviate symptoms of severe angina. For the cardiac arrhythmia market, PLC is developing a surgical cardiac ablation laser technology, known as the Optimaze. Additional company information can be found at http://www.plcmed.com/. Contact: John Jordan Director of Investor Relations 508-541-8800, ext. 145 DATASOURCE: PLC Systems CONTACT: John Jordan, Director of Investor Relations of PLC Systems, +1-508-541-8800, ext. 145 Web site: http://www.plcmed.com/

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