| Congratulations John, 
 Spine-Tech, Inc., Announces Definitive Agreement to
 Merge with Sulzer Medica; Cash Tender Offer Valued at
 $595 Million
 
 MINNEAPOLIS, Dec. 16 /PRNewswire/ -- Spine-Tech, Inc. (Nasdaq: SPYN - news), a medical
 manufacturer based in Minneapolis, today announced the signing of a definitive agreement to merge
 with Sulzer Medica (NYSE: SM; Zurich: SMEN), a leading cardiovascular and orthopedic implant
 company headquartered in Winterthur, Switzerland. The transaction involves a cash tender offer by
 Sulzer Medica for all of the outstanding Spine-Tech common shares at $52 per share for a total net
 value of approximately $595 million. The tender offer, which has been approved by the board of
 directors of each company, will be conditioned on the tender of a majority of the outstanding
 Spine-Tech shares, the expiration of anti-trust waiting periods and other customary conditions.
 
 Spine-Tech is a market and technology leader in the field of less invasive spinal implants. The
 company's leading product is the BAKo Interbody Fusion System, an innovative system of spinal
 implants and instruments which are used to promote spinal fusion in patients suffering from chronic,
 disabling back pain resulting from degenerative disc disease. The BAK received marketing
 clearance from the U.S. Food and Drug Administration in September 1996 and is currently leading
 the market in the rapidly growing, minimally invasive spinal fusion implant market.
 
 Spine-Tech will operate as a business unit of Sulzer Orthopedics. David Stassen, president and
 chief executive officer of Spine-Tech, will become the global head of Sulzer Medica's spinal
 business. Mr. Stassen and key Spine- Tech management have expressed their commitment to stay
 with the company in order to drive its continued growth and prosperity.
 
 Piper Jaffray Incorporated acted as financial adviser to Spine-Tech in this transaction.
 
 Sulzer Medica, with annual sales of approximately $1 billion, currently employs approximately
 4,800 people worldwide. Sulzer Medica is focused on the development of implantable medical
 devices and biomaterials for the cardiovascular and orthopedic markets worldwide. The company's
 products include heart valves, pacemakers, defibrillators, ablation catheters, vascular grafts, artificial
 knees, hips, shoulders, spine and dental implants.
 
 Spine-Tech is a market leader in the field of less invasive spinal implants. The company's products
 are used to surgically treat patients suffering from chronic, disabling pain caused by degenerative
 conditions of the spine.
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