All related parties,

In accordance with the Trading Schedule During National Holidays for Year 2026, Shanghai International Energy Exchange (hereinafter referred to as “INE”) hereby notifies the trading adjustments for the International Worker’s Day 2026 as follows:

1.The market will be closed from 3:00 p.m. of April 30, 2026 to May 5, 2026.

The market will resume trading on May 6, 2026 with the central auction session from 8:55 a.m. to 9:00 a.m. and the continuous trading on the night of that day.

2.As from April 29, 2026, INE will adjust the price limits and trading margin rates for the contracts listed below when the daily clearing process begins:

The price limits of Bonded Copper futures contracts bc2703, bc2704 will be ±10% from the settlement price of the previous trading day, the trading margin rates for hedging will be 11% of the contract value, and the trading margin rates for general positions will be 12% of the contract value.

The price limits of TSR 20 futures contract nr2704 will be ±9% from the settlement price of the previous trading day, the trading margin rates for hedging will be 10% of the contract value, and the trading margin rates for general positions will be 11% of the contract value.

In case of the situation stipulated in Article 16 of the Risk Management Rules of the Shanghai International Energy Exchange, the price limits and trading margin rates will be adjusted on the basis of the above mentioned parameters.

3.The market will resume trading on May 6, 2026. As from the first trading day without a Limit-locked market, INE will adjust the price limits and trading margin rates for the contracts listed below when the daily clearing process begins:

The price limits and trading margin rates for the aforementioned futures contracts will return to their original levels. 

Please refer to the Risk Management Rules of the Shanghai International Energy Exchange for other provisions concerning the price limits and the trading margins.

All related parties shall manage risks in a sound manner to ensure the smooth functioning of the market.

In the event of any inconsistency between the Chinese version and English translation, the Chinese version shall prevail.

Appendix: The Adjustments of the Price Limits and Trading Margin Rates of Certain Futures Contracts

Shanghai International Energy Exchange

April 27, 2026