Sealing Technology: "Seal Gasket Technology Improvement and Expansion Project" has been extended to December 31, 2026.

Seal Technology Announcement, the company held the fourth session of the fifth meeting of the board of directors on December 24, 2025, and deliberated on and passed the "Proposal on the Delay of Part of the Raised Funds Investment Projects." It was agreed to postpone the "Sealing Gasket Technology Transformation and Expansion Project" without changing the total amount of investment in the fundraising project, the implementing entity, and the investment content. The scheduled availability date of the fundraising project was postponed from the original December 31, 2025 to December 31, 2026. This adjustment will not have a substantial impact on the implementation of the fundraising project. The sponsor has issued a verification opinion without objection to this matter, and within the approval authority of the board of directors, it is not necessary to submit it for shareholder approval.