Feb 8 (Reuters) - Mason Group Holdings Ltd 0273.HK :
* MASON FOOD TO SELL 46% STAKE OF BLEND AND PACK TO WATTLE HEALTH AUSTRALIA & AGREED TO GRANT CALL OPTION TO WATTLE HEALTH
* DEAL FOR A$47.8 MILLION
* GROUP EXPECTS TO RECOGNIZE ON SPA COMPLETION A NET GAIN OF HK$12 MILLION FOR DISPOSAL OF SALE SHARE