Walsin Lihwa Corporation announced that its BOD resolved to sign Joint Venture Agreement, Technology Consultancy Agreement and Technology License Agreement. Date of occurrence of the event: February 24, 2023. Counterparty to the contract or commitment: Joint Venture Agreement: The Company, Walsin Energy Cable System Co., Ltd. and NKT HV Cables AB.

Technology Consultancy Agreement and Technology License Agreement: Walsin Energy Cable System Co., Ltd. and NKT HV Cables AB. Starting and ending dates (or rescission date) of the contract or commitment: March 1, 2023. Major content (not applicable where rescinded): Joint Venture Agreement, Technology Consultancy Agreement and Technology License Agreement.

Effect on company finances and business: To develop the Submarine Cable Business. Concrete purpose/objective: To develop the technologies and products for the Submarine Cable Business.