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About AtriCure, Inc.

AtriCure, Inc. is a medical device company and a leader in developing, manufacturing and selling innovative cardiac surgical ablation systems designed to create precise lesions, or scars, in cardiac, or heart, tissue. Medical journals have described the adoption by leading cardiothoracic surgeons of the AtriCure Isolator(R) bipolar ablation system as a treatment alternative during open-heart surgical procedures to create lesions in cardiac tissue to block the abnormal electrical impulses that cause atrial fibrillation, or AF, a rapid, irregular quivering of the upper chambers of the heart. Additionally, medical journals and leading cardiothoracic surgeons have described the AtriCure Isolator(R) system as a promising treatment alternative for patients who may be candidates for sole-therapy minimally invasive procedures. AF affects more than 2.5 million Americans and predisposes them to a five-fold increased risk of stroke.

The FDA has cleared the AtriCure Isolator(R) bipolar ablation system, including the new Isolator Synergy(TM) ablation clamps and the AtriCure multifunctional bipolar Pen, for the ablation, or destruction, of cardiac tissues during surgical procedures. Additionally, the FDA has cleared the AtriCure Pen for temporary pacing, sensing, stimulating and recording during the evaluation of cardiac arrhythmias. To date, the FDA has not cleared or approved AtriCure's products for the treatment of AF. AtriCure's left atrial appendage clip system has not been approved for commercial use. It is currently being used in clinical evaluations in Europe.

Contact:

AtriCure, Inc.

Julie A. Piton

Vice President and Chief Financial Officer

(513) 755-4561

jpiton@atricure.com