Wolkernuclear: intends to issue H shares and apply for listing on the Hong Kong Stock Exchange.

Wolke Materials Announcement: The board of directors of the company approved the proposal to issue H shares and list on the main board of the Hong Kong Stock Exchange on May 12, 2025. The company plans to further promote its internationalization strategy, enhance international brand image and core competitiveness, and improve the company's operational management level through this issuance. The specific issuance and listing time will be determined by the board of directors authorized by the shareholders' meeting. The company is actively working with relevant intermediaries to promote this issuance, and specific details still need further discussion. This issuance still needs to be submitted to the shareholders' meeting for approval, and approval or filing by relevant government agencies, regulatory authorities, and stock exchanges is required.