Hangzhou Chang Chuan Technology Co.Ltd(300604) : Explanation on the fluctuation of the company’s stock price before the release of this trading information

Hangzhou Chang Chuan Technology Co.Ltd(300604) board of directors

Notes on the fluctuation of the company’s stock price before the release of the trading information

Hangzhou Chang Chuan Technology Co.Ltd(300604) (hereinafter referred to as “the company”) intends to issue shares to purchase 97.6687% shares of Hangzhou Changyi Technology Co., Ltd. and raise supporting funds (hereinafter referred to as “the transaction”). In order to ensure fair information disclosure, avoid abnormal fluctuation of the company’s share price and safeguard the interests of investors, after applying to Shenzhen Stock Exchange, the trading of the company’s shares (stock abbreviation: Hangzhou Chang Chuan Technology Co.Ltd(300604) , stock code: 300604. SZ) will be suspended from the opening of the market on January 10, 2022. The board of directors of the company hereby makes the following explanation on the stock trading before the suspension.

The cumulative rise and fall of Listed Companies in the 20 trading days before the suspension and the cumulative rise and fall of gem index (Code: 399006. SZ) and CSI semiconductor industry index (Code: 931081. CSI) in the same time interval are as follows:

The 21st trading day before the suspension of the project, and the rise and fall of the last trading day before the suspension (2021-12-09) (2022-01-07)

Closing price of the company’s shares (yuan) 56.88 49.75 – 12.54%

Gem index (399006. SZ) 3459.32 3096.88 -10.48%

CSI semi Guide (Code: 5428.65 4750.85 -12.49% 931081. CSI)

Excluding the impact of market factors, it rose -2.06%

Decline

After excluding the influence of the same industry sector -0.05%

Fluctuation range

The company’s share price fell by – 12.54% during the above period, and the decline was – 2.06% after excluding the factor that the gem index fell by – 10.48%; Excluding the factor that the CSI semiconductor industry index fell by – 12.49%, the decline range was – 0.05%. Therefore, the cumulative decline of the company’s share price in the 20 trading days before this transaction, after deducting the market factors or the sector factors of the same industry, did not exceed 20%, and there was no abnormal fluctuation.

It is hereby explained.

(there is no text on this page, which is the seal page of the Hangzhou Chang Chuan Technology Co.Ltd(300604) board of directors’ explanation on the fluctuation of the company’s stock price before the release of this transaction information)

Hangzhou Chang Chuan Technology Co.Ltd(300604) board of directors January 21, 2022

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