1 © 2022 MC Digital, Inc. All Rights Reserved. Drive Growth Beyond Digital Introduction to MC Digital inc. © 2024 MC Digital Inc.

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 2 About MC Digital What We Do Work Environment Recruitment Index

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 3 What is MC Digital? A technology company that uses cutting-edge IT technologies to solve issues in all the industries that Mitsubishi Corporation is involved in. ◉ We are a professional team composed of top-class data scientists and IT engineers. ◉ We aim to solve issues in each industry and society by making full use of the extensive industry knowledge accumulated by the Mitsubishi Corporation Group. ◉ We have both the stability of a Mitsubishi Corporation subsidiary and the speed of a start-up company.

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 4 ◉ Composition of Employees Company name MC Digital, Inc. CEO Shingaku Kochi Address 11th Floor, Hibiya Mitsui Tower, 1-2-1 Yurakucho, Chiyoda-ku, Tokyo Established on September 12, 2019 Capital 100 million yen (including 50-million-yen capital reserve) Shareholder Mitsubishi Corporation (100%) ◉ VISION：Achievement of Digital Transformation ◉ Company Profile We believe that we can change people’s lives for the better by spreading ever-evolving technologies across the world. We aim to create a significant impact that will transform industries around the world by building a digital platform based on our globally recognized technological capabilities. Number of employee 62％ Average age of data scientists and engineers ◉ Composition of Employees by Job Category What is MC Digital? 72 Ratio of data scientists and　　 engineers 28 ※ As of March, 2024 Personn el Ratio Project Manager PM: 15% PM・DS/EN hybrid 10% Data Scientist DS: 24% Software Engineer EN: 29% Corporate 10% UI/UX Designer 2% Business Consultant BC: 6% Biz (Sales) 35% Education Product Manager PdM: 4%

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 5 Consulting Div. Data Science Div. Engineering Div. Corporate Strategy & Planning Office Product Div. Corporate Business Consultant Technology Consultant Data Consultant Data Scientist Software Engineer Product Manager MC Digital Organization

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 6 ◉ Based on the close relationship between Mitsubishi Corporation and MC Digital, we are connected to virtually all industries on a global scale. Natural gas LNG Natural gas Industrial materials Steel products Performance materials Mineral resources Iron ore Coking coal Automotive & mobility Automotive Mobility services Food industry Food sciences Consumable products Industrial infrastructure Plant Aerospace Industries MC Digital is involved in Consumer industry Healthcare Retail Power solution Environmental business New energy Urban development Urban development Smart city 　 Natural gas Industrial materials Mineral resources Food industry Consumer industry Power solution Corporate Industrial infrastructure Urban development Automotive & mobility Petrochemistry ×

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 7 System design using cutting-edge technologies System architecture design when using cutting-edge technologies Identification of issues and creation of solutions in the development process Knowledge of cutting-edge digital technologies Agile development and design Expertise in cutting-edge technologies including AI and data science Agile solution development and design of UI/UX Conventional and large-scale system development Waterfall development of conventional and large-scale systems Operation and maintenance Operation and maintenance of conventional and large-scale systems Upstream Development of digital transformation strategies Digital strategy development Digital business concept MCD can be involved in the upstream process of solving customers’ essential and complex issues by making full use of its advanced and cutting-edge technologies. IT and Digital Domains MC Digital is Involved in IT and Digital Capability What MCD Can Offer Areas covered by MCD ＆ Client Downstream

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 8 The PG BATTLE is a major programming competition, and in its school category, some of Japan’s top schools, such as the University of Tokyo and Nada High School, participate. In its corporate category, MC Digital won two consecutive championships in fiscal years 2021 and 2022. In fiscal year 2022, two MC Digital teams came in first and fourth place with the first-place team receiving a full score. MC Digital Employees’ Achievements Fiscal year 2021 Ranking Company name Points 1 MC Digital 265 2 Recruit Co., Ltd. 245 3 LeapMind Inc. 240 4 Indeed Japan K.K. 235 5 Navitime Japan Co., Ltd. 235 Fiscal year 2022 Ranking Company name Points 1 MC Digital 300 2 Indeed Japan K.K. 270 3 NTT DATA Mathematical Systems Inc. 270 4 MC Digital 270 5 LINE 250 Won the PG BATTLE, an inter-company programming competition, for two consecutive years. Top Japanese at Meta Hackers Cup 2022 Ryotaro Sato, a data scientist at MC Digital, placed 13th in the Meta Hacker Cup, a global programming competition hosted by Meta (formerly Facebook). He achieved the feat of being ranked first among the Japanese. MC Digital members have many other achievements including Kaggle Competition and the publishing papers.

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 9 About MC Digital What We Do Work Environment Recruitment Index

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 10 MC Digital’s Business Areas Providing enterprise DX solutions in a variety of technology and business domains DX Solutions Technology domain Developing SaaS to apply accumulated industrial knowledge to other industries Planning to apply it not only to the MC Group but also to various other companies Digital transformation of companies and industries Roles of MCD PJ Phases Data collection Data quality improvement Exploring how to use data How to implement algorithms System building DX Consulting Data Science Engineering Business Consultant / Project Manager Data Consultant DX consulting Workshop Providing support for DX organization development for the purpose of human resources development as well as support for industrial DX and industrial consulting AI SaaS Transformation of business processes and organizational structures Classification Regressive prediction Optimization Data analysis Business domain Demand forecasting Credit decisions Delivery optimization Energy Marketing Operation × SaaS

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 11 DX Consulting Creating new business and value with customers based on our data, digital technology, and knowledge of business strategy Developing the human resources in each business unit who have a deep understanding of the business and can still understand what can be achieved through digitalization and can lead or execute the DX initiatives What is the current issue? What the customer aims at? We will provide consultation and support! Consulting and development support Workshop Designing workshop Consultation on customer issues Conducting a casual consultation about DX and confirming the current issues and what the customer aims at Designing a workshop according to the confirmed issues and direction From identifying and clarifying fundamental issues, to generating ideas for solution and giving shape to them Providing consultation and development support to implement the ideas from the workshop Accumulating a wide range of industrial and DX knowledge from across all industrial sectors to use and share What is the optimal framework? Keep the ideas flowing! Examples of Workshops Support for DX organization development Support for industrial DX and industrial consulting

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 12 DX Solution | Technology domains where DX solutions excel Classification Regressive prediction Optimization Data analysis and visualization Want to add classification labels to new incoming data. Want to obtain future values based on the past and present data. Want to maximize or minimize a certain value under certain conditions. Want to display data in an easy-to-understand way to use as a reference for hypothesis testing or decision making.

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 13 DX Solution｜Areas of Business Expertise Demand forecasting and order/inventory optimization Developing an algorithm to forecast future demand based on demand fluctuation patterns to solve the problems of overstocking and understocking Optimization of credit decisions Making more accurate credit decisions and minimizing the risk of opportunity loss and defaults by predicting customers’ ability to repay and the credit risk based on their attributes and behavioral data Delivery optimization Setting optimal delivery schedules and contributing to cost reduction and route optimization to achieve efficient delivery under complex and constrained conditions Renewable energy generation forecasting and trading Maximizing profits in the energy sector, by forecasting the amount of renewable energy generated and its market prices Marketing support Analyzing customer purchase data and implementing effective sales strategies based on the analysis to realize cost-effective marketing activities Operational optimization Increasing production volume and reducing costs by optimizing the deployment of vehicles, machines and human resources at mining sites or other operational locations

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 14 DX Solution｜ Process Problem setting ◉ System development for PoC ◉ User-side verification From a technology perspective （ex. Is accuracy enough?） From a business perspective （ex. Is it cost effective enough?） From a user’s perspective （ex. does the usability work well enough in real-world operation?） ◉ System development for the production environment that reflects the outcome of the PoC ◉ Converting business issues into mathematical problems ◉ Method：EDA Exploratory Data Analysis: An approach in the initial phase of analysis that multilaterally grasps the information suggested by the data ◉ Algorithm development ◉ Verification of accuracy using past data (desktop verification) Hypothesis testing PoC ‐Proof of Concept- System development

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 15 DX Solution｜Project Team Depending on the content and scale of the project, people with appropriate skills are assigned to the project to form a team. Project Manager Data Scientist Software Engineer UI/UX Designer 0 to 1 1 to 3 1 to 3 1 to 2 Approximately 5 to 10 persons in total per project PM/DS Hybrid※ Software Engineer 0 to 1 2 to 3 2～4名程度　 Big Project Small Project

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 16 AI SaaS Capturing business know-how in digital form in the process of solving the issues of MC, which works with various industries on a global scale Building cross-industry solutions based on the captured know-how and converting them to SaaS Sophisticating the technology hub functions that co-create values, by using SaaS as a base and applying the solutions to inside and outside the MC Group 　 × 　 　

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 17 About MC Digital What We Do Work Environment Recruitment Index

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 18 Business Tools Basic Tools • Google Workspace • Microsoft 365 • Slack • GitHub • Zoom • Confluence • Jira Other Tools • GitHub Copilot • DeepL Pro

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 19 Technology Stacks - Engineering Programming Languages / Libraries etc. Web Frontend TypeScript, React, Next.js, Storybook Backend Go, C++, Python / FastAPI Database / Storage Cloud Spanner, Cloud SQL(MySQL, PostgreSQL), Firestore Google Cloud Storage Monitoring Cloud Monitoring, Cloud Logging, Sentry, NewRelic Authentication / Authorization Auth0 Container Orchestration Kubernetes, Cloud Run Environment Setup Docker, Terraform, Cloud Build CI GitHub Actions, Cloud Build

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 20 Technology Stacks - Data Science Workflow Engine Vertex AI Pipelines(Kubeflow), Cloud Composer(Airflow) Machine Learning / Optimization Tools Machine Learning LightGBM, scikit-learn, PyTorch, Optuna, Weights & Biases, Vertex AI, Azure OpenAI Service Mathematical Optimization Gurobi, OR-Tools Data Analytics BigQuery, Looker Studio

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 21 Benefits ｜Work Environment A flextime system with core hours from 11:00 to 16:00 is implemented. Employees are allowed to work from home, regardless of their department. The company-owned latest model PC is offered to new employees. It is replaced with the latest model every two years. Flextime/ work from home system Work support Side jobs allowed Employees are allowed to do side jobs, provided that a request has been made and approved in advance. Office environment Complimentary drinks and snacks are provided in the office. A personal locker is also provided for each employee. Leave Five-day workweek system Annual leave Child care leave /Maternity leave Nursing leav/Bereavement leave

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 22 Benefits ｜Educational Support　/　Community Development Support for participation in Kaggle Competitions When employees form a company team and participate in the competitions, the company will bear the expenses up to 1.2 million yen per year. Support for the purchase of books The company will financially support the purchase of books related to the work. Support for the expenses concerning the acquisition of qualifications or participation in seminars The company will support a certain amount of expenses for the acquisition of qualifications or participation in training and seminars. Udemy Business account given Employees are free to take Udemy courses. Educational Support Get-together at the office Free-of-charge get-togethers are held once a month at the office. Support for the cost of get-togethers The company will support the cost of departmental or project get-togethers. Support for after-work activities The company provides financial support for employees’ after-work activities. Activities include a board game club and a bouldering club. Community Development

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 23 Photos of the office

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 24 About MC Digital What We Do Work Environment Recruitment Index

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 25 Positions New graduate Engineering Date science Consulting New graduates are recruited by department. Engineering Date science Consulting Product Corporate Open position Open position Open position Product Managers Corporate Strategy & Planning Manager Software Engineers Data Scientists Technology Consultant Infrastructure Engineers Data Consultants Overseas Project Managers Front-end Engineers Mathematical Optimization Engineers DX Planning Business Consultants Engineering managers Mid-career recruitment Mid-career applicants are recruited by position. ※Please check the Careers page for the latest information. UI / UX Designers Marketing Manager

Drive Growth Beyond Digital © 2023 MC Digital, Inc. All Rights Reserved. 26 Selection Processes Read the requirements for the position you are applying for and apply using the application form. Informal interviews are conducted as needed. Candidates are interviewed by several front-line employees. We will try to understand the candidates in a variety of ways, such as discussions between the candidate and the interviewer on work-related issues, in addition to general Q&A sessions. First and second interviews Document screening and informal meeting The president will conduct the final interview. We will offer the terms and conditions to those who pass the interview and make an unofficial job offer. Final interview Final interview First and second interviews Examination of assignment Document screening / informal meeting Before proceeding to the interviews, candidates are given assignments based on the position they are applying for and are requested to submit their results. Examination of assignment