CARTA ZERO Inc. (Headquarters: Minato-ku, Tokyo; CEO: Manabu Takahashi) will begin sales in July 2026 of "docomo data square Ads (ドコモ データ スクエア アズ)," a new advertising delivery solution package based on the data clean room "docomo data square® (ドコモ データ スクエア)" provided by NTT DOCOMO, INC. This service leverages NTT DOCOMO's data from its d POINT CLUB membership base, exceeding 100 million members (※1), to provide optimal ad delivery tailored to a company's objectives and KPIs, reaching from potential interest groups to highly qualified prospects. Through integration and reorganization with CARTA ZERO's advertising platform "PORTO" and other advertising infrastructure, it enables seamless, end-to-end execution from advanced data analysis integrating online and offline data, to efficient ad delivery and performance verification, further strengthening marketing support utilizing Single ID. To commemorate the launch of this solution, the "docomo data square®" logo has also been refreshed by NTT DOCOMO. ※1 Number of d POINT CLUB members as of the end of March 2026. ※2 Does not include personally identifiable data. ■ Background and Objectives Following CARTA HOLDINGS' integration into the NTT DOCOMO group, we are promoting enhanced value for "Single ID Marketing" (※3) by merging the assets of both companies. Since its release, "docomo data square®" has served as a data analysis platform utilizing over 100 million d POINT CLUB members, driving analysis and marketing support with Single ID, and contributing to solving the marketing challenges of many companies. However, corporate marketing challenges and user behavior have become increasingly complex year by year. Amidst the diversification of customer touchpoints and data, it has become difficult to grasp the reality of target audiences and verify the effectiveness of individual measures. Consequently, there is a growing need for an environment that integrates fragmented data and allows for consistent strategy planning, meas