Olin Biotechnology: Pay additional taxes and late fees of 87.408 million yuan.

Oulin Biotechnology announced that the company recently received a "Tax Handling Decision Letter" from the tax department, requiring a payment of 87.408 million yuan in back taxes and late fees. Among them, the company has already prepaid 4.201 million yuan in taxes in 2025, and this time it should pay 83.2079 million yuan, accounting for 11.82% of the company's audited operating income in the most recent fiscal year. As of the date of the announcement, the back payment has been fully paid, and this matter does not involve any tax administrative penalties. The aforementioned back tax payment does not relate to prior accounting errors, does not involve retroactive adjustments to prior financial data, and the 83.2079 million yuan back payment will be included in the current year's profit and loss for 2026.