24 April 2012 THE PERSONS LISTED IN PART 3 OF SCHEDULE 1 AS MN SELLERS (as defined herein) and THE PERSONS LISTED IN PART 5 OF SCHEDULE 1 AS SIHHAT SELLERS (as defined herein) and AMGEN ILAÇ TIC. LTD. ŞTI AS BUYER and AMGEN WORLDWIDE HOLDINGS B.V....