Saudi Industrial Investment Group · TADAWUL:2250

Saudi Industrial Investment — Q3 2025 Earnings Presentation

15 slides from Saudi Industrial Investment's earnings presentation, Nov 12, 2025

1. Slide 1: Q3 2025 Earnings Presentation

   Saudi Industrial Investment Group Q3 2025 Earnings Presentation 12th November, 2025

2. Slide 2: Table of Contents

   Table of Contents Highlights 03 Operational Updates 05 Financial Results 08 Outlook 13 Appendix 15 Q3 2025 Earnings Presentation 2

3. Slide 3: Sustained strong operational performance amid challenging product pricing environment

   Highlights | Operations | Financials | Outlook | Appendix Sustained a strong operational performance amid a challenging product pricing environment • Sustained strong operational performance Sales Volume (Kmt)* in Q3, driven by stable plant utilization and higher sales volumes • Aromatics profitabil

4. Slide 4: Continue our outstanding safety performance record

   Highlights | Operations | Financials | Outlook | Appendix Continue our outstanding safety performance record Highlights • SIIG JVs reached over 990 days without a Tier 1 & 1,480 days without a Tier 2 Process Safety Event. • Continued commitment to safe working environment Injuries per 200,000 hours

5. Slide 5: Operational Updates

   w o £ © ne] a =) ro] c 2 YY © — o rol ie)

6. Slide 6: Aromatics Segment: Maintained a healthy operational performance

   Highlights | Operations | Financials | Outlook | Appendix Aromatics Segment: Maintained a healthy operational performance Styrene Sales; Capacity Utilization | Kmt; % Benzene Sales; Capacity Utilization* | Kmt; % Cyclohexane Sales; Capacity Utilization | Kmt; % 99% 103% 103% 97% 84% 83% 81% 62% 48%

7. Slide 7: Polymers Segment: Strong utilization levels supported by feedstock availability

   Highlights | Operations | Financials | Outlook | Appendix Polymers Segment: Strong utilization levels supported by feedstock availability, while product prices remained weak Highlights Polyethylene Sales; Capacity Utilization | Kmt; % PE price trend* • Polyethylene utilization remained strong on 93%

8. Slide 8: Financial Results

   Financial Results

9. Slide 9: Share of profits from JVs declined primarily due to lower Styrene margins

   Highlights | Operations | Financials | Outlook | Appendix Share of profits from JVs declined primarily due to lower Styrene margins ¥ Mn Q3 2025 Q2 2025 Δ% Q3 2024 Δ% Share of Profits from JVs (Q-o-Q) | ¥ Mn Income Statement -23% Share of Profits from JVs 24 32 -23% 126 -81% 23 General & administrat

10. Slide 10: Aromatics: Profitability impacted by lower styrene margins

    Highlights | Operations | Financials | Outlook | Appendix Aromatics: Profitability impacted by lower styrene margins, despite stronger volumes resulting in revenue growth Revenue (external) | ¥ Mn Gross Profit; Gross Profit Margin | ¥ Mn; % EBITDA; EBITDA Margin | ¥ Mn; % 9% 2% -3% 15% 10% 4% -127%

11. Slide 11: Polymers: Profitability uplift as increased ethane supply lowered feedstock costs

    Highlights | Operations | Financials | Outlook | Appendix Polymers: Profitability uplift as increased ethane supply lowered feedstock costs Revenue (external) | ¥ Mn Gross Profit; Gross Profit Margin | ¥ Mn; % EBITDA; EBITDA Margin | ¥ Mn; % 14% 5% 9% 21% 19% 21% -10% -38% -10% 1,688 1,524 230 351 3

12. Slide 12: Received returns in the form of dividends and capital reduction from GPDC

    Highlights | Operations | Financials | Outlook | Appendix Received returns in the form of dividends and capital reduction from GPDC SCP: Investment Value | ¥ Mn JCP: Investment Value | ¥ Mn ADCO: Investment Value | ¥ Mn -2% +5% +33% 598 (17) 5 586 377 20 397 21 83 62 FY 24 Share of Profit Others 9M

13. Slide 13: Outlook

    Highlights | Operations | Financials | Outlook | Appendix Outlook Product View Styrene • Styrene demand expected to stay soft in Q4 amid seasonal slowdown, cautious sentiment, and ongoing macro uncertainty • Oversupply pressures driven by elevated Chinese inventories and high stock levels in downstr

14. Slide 14: Q&A

    Q&A

15. Slide 15: Thank you

    Thank you Contact Us: Investor Relations Team Email: IR@siig.com.sa

Saudi Industrial Investment Group — Q3 2025 Earnings Presentation on 6ix