Ironstream Co., Ltd.: Controlling shareholder Desa Group plans to reduce its holdings by no more than 2%.

Announcement from Tie Lu Stock Co., Ltd.: The controlling shareholder Hangzhou Desa Industrial Group Co., Ltd. holds 85.9618 million shares of the company, accounting for 36.90% of the total share capital. Desa Group plans to reduce its holdings by no more than 4.6597 million shares, representing 5.42% of its holdings and 2.00% of the total share capital, through block trades within 3 months after 15 trading days from the date of this announcement. If there are any changes in the share capital during the reduction period, such as bonus shares or capital reserve conversion, the reduction amount will be adjusted accordingly. The reason for the reduction is the shareholder's own capital needs.