Information Regarding Participants Osteotech, Medtronic and their respective directors, executive officers, certain other members of management and certain employees may be soliciting proxies from Osteotech stockholders in favor of the merger. Information regarding the persons who may, under the rules of the SEC, be considered participants in the solicitation of the Osteotech stockholders in connection with the proposed merger is set forth in the proxy statement as filed with the SEC. You can find information about Medtronic’s executive officers and directors in its definitive proxy statement filed with the SEC on July 16, 2010.  You can obtain a free copy of this document at the SEC’s website at www.sec.gov or by accessing Medtronic’s website at www.medtronic.com and clicking on the investors link. You can find information about Osteotech’s executive officers and directors in its definitive proxy statement filed with the SEC August 3, 2010. You can obtain a free copy of this document at the SEC’s website at www.sec.gov or by accessing Osteotech’s website at www.osteotech.com or by writing Osteotech at 51 James Way, Eatontown, New Jersey, 07724.