NTT Group Establishes "Autonomous Driving Safety Management Committee"

NTT Mobility Corporation (hereinafter "NTT Mobility") established the "Autonomous Driving Safety Management Committee," an internal organization aimed at further enhancing the safety and reliability of the NTT Group's autonomous driving business, on July 1, 2026.

Under various expert working groups, including experts from within and outside the NTT Group, this committee will develop safety management rules and systems for the entire NTT Group, conduct various drills, and analyze accident cases from both internal and external sources.

1. Main Activities

- Development and systematization of group-wide safety management rules and flows for autonomous driving services. - Formulation of response manuals in preparation for any accidents. - Analysis of causal factors for accident cases within and outside the group, and formulation of recurrence prevention measures. - Development and implementation of drill plans assuming the occurrence of major accidents.

2. Committee Structure

The committee will be composed of relevant departments within the NTT Group and external experts (in legal and technical fields) to promote initiatives from a specialized and objective perspective. Furthermore, three working groups, established by field, will conduct deliberations from their respective specialized viewpoints to enhance safety management in autonomous driving services.

<Roles of Each Working Group>

〇 Compliance Group: Confirms and ensures safety from the perspective of legal compliance. 〇 Technical Group: Evaluates and analyzes safety and responsiveness to future business expansion from a technical perspective. 〇 Investigation Group: Promotes the enhancement of safety management measures based on the latest domestic and international trends and knowledge.

3. Committee Leader Profile

- Executive Officer, NTT Corporation, Head of Alliance Department, R&D Marketing Headquarters Director, NTT Mobility Corporation Minako Tsunaga 2020 Manager, New Business Promotion Office, Nippon Telegraph and Telephone Corporation (now NTT Corporation) 2023 Executive Officer, Head of Marketing Department, R&D Marketing Headquarters, same company 2024 Current position, same company 2025 Current position, NTT Mobility Corporation

4. Profiles of NTT Group External Experts

- Leader, Compliance Group Managing Partner, Attorney at Law, Matsuda Law Office Visiting Associate Professor, Institute for Future Society Creation, Nagoya University Yasuyori Iwatsuki 2005 Appointed Public Prosecutor, assigned to Tokyo District Public Prosecutors Office and other local public prosecutors offices. 2013 Joined Matsuda Law Office 2019 Visiting Associate Professor, Institute for Future Society Creation, Nagoya University, current position 2021 Committee Member, System-Led Study Working Group, 7th Advanced Safety Vehicle (ASV) Promotion Study Group, Ministry of Land, Infrastructure, Transport and Tourism.

- Leader, Technical Group President, Sams Office Inc. Seigo Kuzumaki 2016 Program Director (PD), SIP 1st Phase "Automated Driving Systems," Cabinet Office 2017 Managing Director, Toyota Motor Corporation 2018 Program Director (PD), SIP 2nd Phase "Autonomous Driving (Expansion of Systems and Services)," Cabinet Office 2023 Established Sams Office Inc., current position Above

[About NTT Mobility]

To date, the NTT Group has participated in numerous autonomous driving-related demonstrations, leveraging the NTT Group's nationwide operational structure to solve regional transportation issues. Furthermore, through investments in companies such as May Mobility and Navya to provide autonomous vehicles, and by advancing communication technologies including the IOWN concept, we have been working to improve the safety and reliability of autonomous driving and promote its adoption.

NTT Mobility, established in December 2025, will accelerate the social implementation of autonomous driving by converging the nationwide coverage, technology, and expertise of the entire NTT Group to provide integrated support from vehicle procurement and introduction to operation.

(Contact for inquiries regarding this matter)

NTT Mobility Corporation, Corporate Department contact@ntt-mobility.com