NATURE (5) ON INK) (IF EXECUTED FOR CO-OWNERSHIP. ALL MUST SIGN.) TITLE (TYPED OR PRINTED) ALCON, INC. Lk-.32.a p . L.-1,132;4 VICE PRESIDENT WILLIAM J. WA LLISCH OF RAYTHEON TRAVEL AIR CO. ACKNOWLEDGEMENT (NOT REQUIRED FOR PURPOSES OF FAA RECORDING. HOWEVER M44580 BY LOCAL LAW FOR VALIDITY OF THE I