The Board of Inner Mongolia Yitai Coal Co.,Ltd. announced that on 20 January 2020, each of the Company and its holding subsidiaries, namely Suancigou Mining, Yitai Baoshan Coal and Yitai Dadi Coal, entered into the Supplemental Agreements to the Coal Mines Overall Entrusted Management Agreements (the "Supplemental Agreements"). The main content of the Supplemental Agreements is as follows: As the management fees contain many items, using the settlement fee per ton of coal, total fixed expenses, fixed settlement cost and appraisal rewards and punishments as the basis and method of calculation, the caps of comprehensive unit price of management fees are consolidated as follows according to accounting basis (all prices set out below are exclusive of tax): The cap of comprehensive unit price of management fees for Talayan Mine is RMB 52.56/ton, of which: the production cost is RMB 46.51/ton (materials: RMB 5.89/ton, labor: RMB 20.22/ton, manufacturing expenses: RMB 20.40/ton), and the management fees are RMB 6.05/ton. The cap of comprehensive unit price of management fees for Hongjingta No. 1 Mine is RMB 109.11/ton, of which: the production cost is RMB 91.41/ton (materials: RMB 7.36/ton, labor: RMB 31.38/ton, manufacturing expenses: RMB 52.67/ton), and the management fees are RMB 17.70/ton. The cap of comprehensive unit price of management fees for Kaida Mine is RMB 88.74/ton, of which: the production cost is RMB 80.56/ton (materials: RMB 9.02/ton, labor: RMB 37.31/ton, manufacturing expenses: RMB 34.23/ton), and the management fees are RMB 8.18/ton. The cap of comprehensive unit price of management fees for Baoshan Mine is RMB 111.55/ton, of which: the production cost is RMB 98.84/ton (materials: RMB 8.35/ton, labor: RMB 40.52/ton, manufacturing expenses: RMB 49.97/ton), and the management fees are RMB 12.71/ton. The cap of comprehensive unit price of management fees for Dadijing Mine is RMB 111.52/ton, of which: the production cost is RMB 98.46/ton (materials: RMB 12.61/ton, labor: RMB 37.60/ton, manufacturing expenses: RMB 48.25/ton), and the management fees are RMB 13.06/ton. The cap of comprehensive unit price of management fees for Suancigou Mine is RMB 40.26/ton, of which: the production cost is RMB 35.31/ton (materials: RMB 6.22/ton, labor: RMB 13.86/ton, manufacturing expenses: RMB 15.23/ton), and the management fees are RMB 4.95/ton.