May 22 (Reuters) - OC Oerlikon Corporation AG Pfaeffikon :
* CHANGES IN OERLIKON'S SHAREHOLDING STRUCTURE - RENOVA ANNOUNCED PARTIAL EXIT FROM ITS INVESTMENT IN OERLIKON
* RENOVA'S EFFECTIVE SHAREHOLDING IN LIWET DROPPED BELOW CONTROLLING BLOCK AND AMOUNTS TO 44.46 % IN TOTAL Source text for Eikon: Further company coverage: (Gdynia Newsroom)