June 18 (Reuters) - Zymeworks Inc ZYME.TO :
* ZYMEWORKS FILES PRELIMINARY PROSPECTUS SUPPLEMENTS FOR OFFERING OF COMMON SHARES AND PRE-FUNDED WARRANTS
* ZYMEWORKS INC - OFFERING IS EXPECTED TO RAISE TOTAL GROSS PROCEEDS OF ABOUT US$150.0 MILLION
* ZYMEWORKS - INTENDS TO USE NET PROCEEDS TO ACCELERATE AND EXPAND DEVELOPMENT OF ZW25, ZW49, TO ADVANCE OTHER PRECLINICAL PROGRAMS