Dear Members,

According to the member’s need, COREX will add one index for floating price on On-port D Board, effective from April 29, 2026, as listed below:

Mysteel PFC1 63% Fe

Please refer to “Measures for the Implementation of Iron Ore Floating-Priced Trading in Beijing Iron Ore Trading Center” for details which will be revised and effective simultaneously. Functions in relation to the abovementioned index will be added on COREX Electronic Trading System at the same time.

Hereby announced.

Beijing Iron Ore Trading Center Corporation

April 29, 2026