Announcement by China Bank Regarding the Adjustment of Partial Delayed Contract Business Parameters for Personal Agents on the Gold Exchange.

The Bank of China will make corresponding adjustments to the margin ratio, price fluctuation limit, and trading hours of individual agents on the gold exchange. Specifically as follows: 1. Starting from the close of trading on February 3, 2026, the margin ratio for silver deferred contracts on the gold exchange will be adjusted from 26% to 23%. The margin ratio multiplier for our silver deferred contracts will be adjusted from 254% to 287%. As a result, the customer margin ratio for our silver deferred contracts will be adjusted from 66.04% to 66.01%, and the price fluctuation limit for the gold exchange will be adjusted from 25% to 22% starting from the next trading day. 2. Starting from the close of trading on February 4, 2026, the margin ratio for gold deferred contracts on the gold exchange will be adjusted from 16% to 17%. The customer margin ratio for our gold deferred contracts will be adjusted from 42.24% to 44.88%, and the price fluctuation limit for the gold exchange will be adjusted from 15% to 16% starting from the next trading day. Please take precautions against risks, increase risk awareness, control positions reasonably, and invest rationally.