Feb 2 (Reuters) - Huon Aquaculture Group Ltd HUO.AX :
* H1 SALES VOLUMES WERE AROUND 19,290T VERSUS 13,321T
* HUON AQUACULTURE EXPECTS TO RECOGNISE MATERIAL CHARGES FOR IMPAIRMENT AND WRITE-DOWN OF ASSETS FOR 1H2021
* REVISES PROJECTIONS FOR FY OPERATING EARNINGS (EBITDA), EXPECTS IT TO BE SUBSTANTIALLY LOWER
* FISH LOSS ESTIMATED AT $1.8M FOR H1, WILL NOT IMPACT OVERALL HARVEST VOLUMES FOR FY