Attachment 1

Blockboard Futures Contract of Dalian Commodity Exchange

Product	Blockboard
Trading Unit	500 Sheets/Lot
Price Quote Unit	CNY/Sheet
Minimum Tick Size	0.05 CNY/Sheet
Daily Price Limit Range	4% of last settlement price
Contract Months	Jan, Mar, May, Jul, Sep, Nov
Trading Hours	9:00 - 11:30 a.m., 1:30 - 3:00 p.m., Beijing Time, and other trading hours announced by DCE
Last Trading Day	The 10th trading day of the contract month
Last Delivery Day	The 3rd trading day after the last trading day
Deliverable Grades	Blockboard Delivery Quality Standard of DCE (F/DCE BB003-2023)
Delivery Point	The delivery warehouses and FOT delivery sites of blockboard designated by DCE
Minimum Trading Margin	5% of the contract value
Delivery Form	Physical delivery
Ticker Symbol	BB
Listed Exchange	DCE

Disclaimer: This English translation may be used for reference only. In case there is any discrepancy between the English version and the original Chinese version, the original Chinese version shall prevail. Dalian Commodity Exchange may change or update this English translation without any prior notice and shall accept no responsibility or liability for damage or loss caused by any error, inaccuracy, misunderstanding, or change with regard to this English translation.