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OM HOLDINGS LIMITED ( ARBN 081 028 337 ) M No. of Pages Lodged : 9 30 April 2021 ASX Market Announcements ASX Limited 4th Floor 20 Bridge Street SYDNEY NSW 2000 Dear Sir / Madam MARCH 2021 QUARTERLY PRODUCTION AND MARKET UPDATE The Board of OM Holdings Limited ( " OMH ” or the “ Company ” ) is pleased to provide the following update . HIGHLIGHTS OPERATING PERFORMANCE SMELTING : OM Materials ( Sarawak ) Sdn Bhd ( 75 % owned smelter in Samalaju , East Malaysia ) Production output for the quarter ended 31 March 2021 of 38,415 tonnes of ferrosilicon ( " FeSi " ) and 57,136 tonnes of manganese alloys comprised mainly silicomanganese ( " SiMn " ) and high carbon ferromanganese ( " HCFeMn " ) A total of 25,029 tonnes of FeSi and 50,996 tonnes of manganese alloys were sold during the quarter ended 31 March 2021 During the initial hot commissioning and performance testing period of the sinter plant , trial production of 22,826 tonnes of manganese sinter ore was produced with 7,132 tonnes sold in the quarter ended 31 March 2021 Planned conversion of 2 idled FeSi furnaces progressing as planned with furnace excavation and civil works in progress EXPLORATION AND MINING : OM ( Manganese ) Ltd ( 100 % owned Manganese mine in Bootu Creek , Northern Territory , Australia ) • Manganese ore production of 210,758 tonnes with an average grade of 28.49 % Mn for the quarter ended 31 March 2021 Manganese ore shipments for the quarter ended 31 March 2021 were 181,382 tonnes with an average grade of 28.60 % Mn The Ultra Fines Plant ( UFP ) produced 9,327 tonnes with an average grade of 30.32 % Mn for the quarter ended 31 March 2021 SMELTING : OM Materials ( Qinzhou ) Co Ltd ( “ OMQ ” ) ( 100 % owned smelter and sinter plant in Qinzhou , Guangxi Province , China ) Commercial operations for the upgraded furnace and the manganese sinter ore plant restarted on 31 January 2021. The second furnace underwent major maintenance and was subsequently successfully restarted in March 2021