Wärtsilä Oyj (Wärtsilä) has combined share series A (WRTAV) and B (WRTBV). OMX Derivatives Market has changed ticker code as well as series names of existing option and futures series in Wärtsilä B (WRTBV). The series have received new ISIN codes, which are published below. The new ticker code will be implemented as from April 1, 2008. Old Symbol WRTBV New Symbol WRT1V Please notice that all long orders in the trading system related to WRTBV, will automatically be cancelled in connection with the ticker change. For further details please see the attached file.