Cyberonics Inc. Participating In Piper Jaffray New York Medtech Summit On December 2, 2005; Slide Presentation Now Available On Line

HOUSTON, Dec. 1 /PRNewswire-FirstCall/ -- Cyberonics, Inc. today announced that Robert P. (“Skip”) Cummins, Cyberonics’ Chairman and Chief Executive Officer, and Pamela B. Westbrook, Vice President, Finance and Administration and Chief Financial Officer, will be participating in the Piper Jaffray New York Medtech Summit at the Essex House Hotel in New York City on December 2, 2005. Presentation slides are now available on line at http://www.cyberonics.com .

ABOUT VNS THERAPY AND CYBERONICS

Cyberonics, Inc. was founded in 1987 to design, develop and market medical devices for the long-term treatment of epilepsy, depression and other chronic treatment-resistant disorders using a unique therapy, vagus nerve stimulation (VNS). Stimulation is delivered by the VNS Therapy System(TM), an implantable generator similar to a cardiac pacemaker. The VNS Therapy System delivers preprogrammed intermittent mild electrical pulses to the vagus nerve in the patient’s neck 24 hours a day. The Company’s initial market was epilepsy, a disorder characterized by recurrent seizures. Epilepsy is the second most prevalent neurological disorder. The Cyberonics VNS Therapy System was approved by the FDA on July 16, 1997 for use as an adjunctive therapy in reducing the frequency of seizures in adults and adolescents over 12 years of age with partial onset seizures that are refractory to antiepileptic medications. The VNS Therapy System is also approved for sale as a treatment for epilepsy in all the European Economic Area, Canada, Australia and other markets. To date, more than 32,000 epilepsy patients in 24 countries have accumulated over 94,000 patient years of experience using VNS Therapy.

The VNS Therapy System was approved by the FDA on July 15, 2005 “as an adjunctive long-term treatment for chronic or recurrent depression for patients 18 years of age and older who are experiencing a major depressive episode and have not had an adequate response to four or more adequate antidepressant treatments.” As part of FDA’s approval order, Cyberonics is required to conduct a 450-patient post-market dosing study and a 1,000-patient, five-year patient outcome registry. For more information on VNS Therapy for treatment-resistant depression, including the contraindications, warnings and precautions, see the Physician’s and Patient’s Manuals and other information at http://www.cyberonics.com or http://www.vnstherapy.com or call 1-877-NOW 4 VNS.

The VNS Therapy System has been approved for sale in the European Economic Area and in Canada as a treatment for depression in patients with treatment-resistant or treatment-intolerant major depressive episodes, including unipolar depression and bipolar disorder (manic depression) since 2001.

VNS Therapy is at various levels of investigational clinical study as a potential treatment for anxiety disorders, Alzheimer’s disease, chronic headache/migraine and bulimia. The Company is headquartered in Houston, Texas and has an office in Brussels, Belgium. For additional information please visit us at http://www.cyberonics.com .

Cyberonics, Inc.

CONTACT: investor relations of Cyberonics, Inc., +1-281-228-7262, or fax,+1-281-218-9332, or ir@cyberonics.com ; or Helen Shik, Vice President ofSchwartz Communications, +1-781-684-0770 , or fax, +1-781-684-6500, orhshik@schwartz-pr.com , for Cyberonics, Inc.

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