Oct 23 (Reuters) - BlueScope Steel Ltd BSL.AX :
* BLUESCOPE UPDATE ON EXPECTED 1H FY2021 EARNINGS-BSL.AX
* EXPECTS UNDERLYING EBIT OF AROUND $340 MILLION FOR 1H
* BUILDING PRODUCTS ASIA & NORTH AMERICA SEGMENT EXPECTED TO DELIVER CONSIDERABLY BETTER PERFORMANCE THAN 2H FY2020
* EXPECT CHINA TO DELIVER SIMILAR PERFORMANCE TO 1H FY2020 ON FAVOURABLE SEASONALITY