Jan 21 (Reuters) - Polaris Materials Corp PLS.TO :
* Announces annual business update, 2016 outlook and executive appointment
* Says shipments in Q4 2015 were 803,000 tons, an increase of 10% over Q4 2014
* Says expects to achieve continued strong gross margins in 2016
* Says for 2016, currently anticipates that volumes into the San Francisco
market will be similar to 2015
* Source text for Eikon ID:nPn4G4D6l
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