IR Meeting on the Financial Results for the Nine-Month Period Ended December 31, 2023

from the beginning

Creating Sustainable Futures FY March 2024 Q1-3 (April-December 2023) Financial Results

• Contents

1 Progress of Medium-term Management Plan (MTMP)

• Summary of Operating Results

• Progress Against Previous Forecast for FY March 2024 Full-Year

• FY March 2024 Full-Year Revised Forecast vs Previous Forecast Core Operating Cash Flow

• FY March 2024 Full-Year Revised Forecast vs Previous Forecast Profit

• Cash Flow Allocation

• Timing of Profit Contribution from New Projects

• Progress of Growth Investments (Oct. 2023 - Jan. 2024)

• Shareholder Returns - No change from the announcement in October 2023 -

• Financial Impact of Arctic LNG 2 Project

• Changes to Governance and Executive Structures

2 Operating Results

• FY March 2024 Q1-3 Core Operating Cash Flow: YoY Segment Comparison

• FY March 2024 Q1-3 Profit: YoY Segment Comparison

• FY March 2024 Q1-3 Profit: YoY Factor Comparison

• FY March 2024 Revised Full-Year Forecast: Factor Comparison vs Previous Forecast

• Balance Sheet as of end-Dec 2023

3 Supplementary Information

• Supplementary Information

• 1. Assumptions and Sensitivities

• 2. Mineral & Metal Resources - Equity Share of Production

• 3. Mineral & Metal Resources - Main Businesses

• 4. Energy: Crude Oil & Gas - Equity Share of Production & Reserves

• 5. Energy: Main Businesses - Producing Assets -1

• 5. Energy: Main Businesses - Producing Assets -2

• 6. Power Generation Portfolio

• 7. Profit YoY Factor Comparison by Segment -1

• 7. Profit YoY Factor Comparison by Segment -2

• 7. Profit YoY Factor Comparison by Segment -3

• 8. Consolidated Statements of Income & Financial Position

• 9. Segment Data Mineral & Metal Resources

• 9. Segment Data Energy

• 9. Segment Data Machinery & Infrastructure

• 9. Segment Data Chemicals

• 9. Segment Data Iron & Steel Products

• 9. Segment Data Lifestyle

• 9. Segment Data Innovation & Corporate Development

• 10. Profit & Loss Attributable to Mitsui from Major Investees -1

• 10. Profit & Loss Attributable to Mitsui from Major Investees -2

• 10. Profit & Loss Attributable to Mitsui from Major Investees -3

• 10. Profit & Loss Attributable to Mitsui from Major Investees -4

• 10. Profit & Loss Attributable to Mitsui from Major Investees -5

• 11. Operating Segment Information (FY March 24 Q1-3) -1

• 11. Operating Segment Information (FY March 23 Q1-3) -2

• 12. List of Main Announcements, Releases and Topics for FY March 2024 (Q1 reprint)

• 12. List of Main Announcements, Releases and Topics for FY March 2024 (Q2 reprint)

• 12. List of Main Announcements, Releases and Topics for FY March 2024 (Q3)

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Q&A

• Q&A 1

• Q&A 2

• Q&A 3

• Q&A 4

• Q&A 5

• Q&A 6