All members,

COREX electronic trading system will set out to upgrade on December 6, 2021 (Monday), with details as below:

1. Price display of floating price offering: the percentage display of Fe P/D and Settlement P/D will be adjusted from displaying the after-discount rate to directly displaying the discount rate. For example,

30% discount will be displayed as -30%;

20% premium will be displayed as +20%.

2. Offers without prices: members are allowed to leave the price field blank when offering in the Iron Ore Supermarket, and the offer without a price is not allowed to be traded.

Hereby informed.

                      Beijing Iron Ore Trading Center Corporation

December 3, 2021