XIAMEN YANNOYA YIN NEST INDUSTRIAL CO., LTD. (YIN HOUSE) UPDATED ON APRIL 25, 2024 THE ANNOUNCEMENT OF THE FINAL DIVIDEND FOR THE YEAR ENDED DECEMBER 31, 2023. The company announced that a final ordinary dividend of RMB 2.15 per 10 shares will be distributed and will receive shareholder approval at the Hong Kong Registry of Accounts on 21 May 2024. The dividend is scheduled for 17 June 2024. In addition, the company has updated withholding income tax information to clarify the applicable tax rates for different types of shareholders. Non-resident corporate shareholders and non-individual resident shareholders will deduct income tax at a 10% tax rate, and individual resident shareholders with a tax rate higher than 10% without a tax agreement with China or a tax rate higher than 10% will be deducted at a tax rate of 20%. Shareholders should consult a professional advisor if they have any questions.

XIAMEN YANNOYA YIN NEST INDUSTRIAL CO., LTD. (YIN HOUSE) UPDATED ON APRIL 25, 2024 THE ANNOUNCEMENT OF THE FINAL DIVIDEND FOR THE YEAR ENDED DECEMBER 31, 2023. The company announced that a final ordinary dividend of RMB 2.15 per 10 shares will be distributed and will receive shareholder approval at the Hong Kong Registry of Accounts on 21 May 2024. The dividend is scheduled for 17 June 2024. In addition, the company has updated withholding income tax information to clarify the applicable tax rates for different types of shareholders. Non-resident corporate shareholders and non-individual resident shareholders will deduct income tax at a 10% tax rate, and individual resident shareholders with a tax rate higher than 10% without a tax agreement with China or a tax rate higher than 10% will be deducted at a tax rate of 20%. Shareholders should consult a professional advisor if they have any questions.