[Notice Regarding the Commencement of Preparations for the New Listing of Data Economy Coin (DEC)] Zaif Co., Ltd. (Headquarters: Minato-ku, Tokyo; Representative Director and President: Naoki Ishihara; hereinafter referred to as "our company") announces that it has signed a Memorandum of Understanding (MOU) to begin preparations, including reviews, for the new listing of the cryptocurrency "DEC (Data Economy Coin)"—which is planned to be issued by Data Economy Coin Co., Ltd. (Headquarters: Shinjuku-ku, Tokyo; Representative Director and Chairman: Akinori Kaneko; hereinafter referred to as "DEC Co.")—on the cryptocurrency exchange "Zaif" operated by our company. DEC is a cryptocurrency designed to realize a "data economy" by converting purchasing data held by companies into new economic value and redistributing it to data providers and others. It is planned to be issued on the public blockchain "Japan Open Chain." Our company has been providing cryptocurrency exchange services domestically for many years and has also been handling "JOC," the native token of Japan Open Chain, since February 2026. This time, in order to support DEC Co.'s efforts to implement its vision of inter-company data collaboration and the creation of new value into society, as well as its business activities and the development of a distribution environment, we have decided to begin preparations, including reviews, for the new listing. Moving forward, we will carefully proceed with preparations and considerations for the listing, including reviews by our company, the JVCEA, and others, in accordance with relevant laws, regulations, and self-regulatory rules.