PRESS RELEASE: Kyphon Stockholders Approve Merger with Medtronic

Kyphon Stockholders Approve Merger with Medtronic

SUNNYVALE, Calif., Oct 16, 2007 -- Kyphon announced today that its stockholders approved the adoption of the merger agreement with Medtronic at a special meeting of stockholders held today.

As previously announced, on July 26, 2007, Kyphon entered into a definitive merger agreement with Medtronic, pursuant to which Medtronic agreed to acquire all of the outstanding shares of Kyphon common stock for $71.00 per share in cash. Consummation of the transaction remains subject to customary closing conditions, including clearance from antitrust authorities in Portugal and Turkey. The initial review periods in both of these jurisdictions are scheduled to expire later this month unless the antitrust authorities extend the relevant periods. The parties intend to consummate the transaction reasonably promptly following the receipt of the required antitrust clearances in Portugal and Turkey and the satisfaction of the other customary closing conditions contained in the merger agreement, but in no event prior to November 1.

About Kyphon Inc.

Kyphon develops and markets medical devices designed to restore and preserve spinal function and diagnose the source of low back pain using minimally invasive technologies. The company's products are used in balloon kyphoplasty for the treatment of spinal compression fractures caused by osteoporosis or cancer, in the Functional Anaesthetic Discography(TM) (F.A.D.(TM)) procedure for diagnosing the source of low back pain, and in the Interspinous Process Decompression (IPD(R)) procedure for treating the symptoms of lumbar spinal stenosis. More information about the company and its products can be found at http://www.kyphon.com and its balloon kyphoplasty patient education Web site, http://www.spinalfracture.com.

Kyphon and IPD are registered trademarks, and Functional Anaesthetic Discography and F.A.D. are trademarks, of Kyphon Inc.

Forward-Looking Statements

This press release contains forward-looking statements, within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, about the completion of the merger. Forward-looking statements are based on management's current preliminary expectations and are subject to risks, uncertainties and assumptions, which may cause Kyphon's actual results to differ materially from the statements contained herein. Factors that could cause actual results to differ materially from management's current expectations include, without limitation, the potential inability to obtain the regulatory clearances required to complete the merger, or to do so in a timely manner, and the possibility that other conditions to completion of the merger may not be satisfied. Additional factors that may affect future results are contained in Kyphon's periodic filings with the SEC, which are available at the SEC's Web site http://www.sec.gov. Kyphon undertakes no obligation to release publicly any revisions to any forward-looking statements contained herein to reflect events or circumstances after the date hereof.