Jan 3 (Reuters) - Alcoa (NYSE:AA) Corp AA.N
* Alcoa Corporation to permanently close Suralco refinery
* Alcoa Corporation to permanently close Suralco refinery
* Alcoa Corp says company to impair gas exploration assets in Western Australia
* Alcoa Corp says no significant Q4 financial impact from power outage at Portland aluminum smelter
* To permanently close Suralco alumina refinery and bauxite mines in Suriname, fully curtailed since November 2015.
* Alcoa Corp -will record in q4 $90 million in restructuring-related charges, after-tax and noncontrolling interest
* Alcoa Corp - Government of Republic of Suriname, co continue to develop definitive agreements concerning Suralco's remaining activities in country
* Alcoa - the Dec 1, 2016 power outage at Portland aluminum smelter in Victoria, Australia is not expected to have significant unfavorable impact on Q4
* Alcoa Corp - pending completion of agreements with Government of Republic of Suriname, Alcoa will continue to operate Afobaka hydroelectric facility
* Alcoa -co's share of total cash costs associated with closure, inclusive of prior accruals, are estimated to be $151 million over 5 years, with $24 million to be spent in 2017
* Alcoa - in Q4, will record a $31 million non-cash charge, after-tax, noncontrolling interest, to impair AofA interests in a Western Australia gas field
* Alcoa Corp - combined impact of charges is estimated to be $0.66 per share for Q4 Source text for Eikon: ID:nBw3TwXfNa Further company coverage: AA.N