Nov 8 (Reuters) - South Port New Zealand Ltd SPN.NZ :
* EXPECTS FY20 EARNINGS WILL BE AROUND 10% LOWER
* CO WOULD SEEK TO MAINTAIN FY2020 DIVIDEND LEVEL AT CURRENT 26 CENTS PER SHARE
* URGED GOVERNMENT TO RECOGNISE RISK IN RIO TINTO'S REVIEW OF VIABILITY & COMPETITIVE POSITION OF NEW ZEALAND ALUMINIUM SMELTER