StarSource Material: It is estimated that the net profit will decrease by 88.87% - 92.44% compared to the previous year in 2025.

Star Source Material Announcement: It is estimated that the net profit for the year 2025 will be between 27.5 million and 40.5 million yuan, a year-on-year decrease of 88.87% to 92.44%. During the reporting period, the company's performance declined mainly due to intensified market competition, a decrease in the gross profit margin of the company's lithium battery separator products compared to the same period of the previous year, affecting the overall profit level; in order to expand the global production capacity layout, the company accelerated the construction of overseas lithium battery separator production bases, with the related investment leading to a significant increase in current costs and expenses; fluctuations in the exchange rates of the international currency market in 2025 resulted in direct impact on the current net profit due to exchange losses for the company; there are signs of impairment of certain assets of the company, in accordance with relevant regulations, an impairment test was carried out on relevant assets and an impairment provision was made.