Slide 1: SiS 2025 Investor Conference
SiS 2025 Investor Conference (Stock ticker : 2363) December 19,2025
Slide 2: Balance Sheet Highlight-Sep.30,2025
Balance Sheet Highlight-Sep.30,2025 Expressed in Thousands 2025/09/30 2024/09/30 of New Taiwan Dollars Cash and Cash Equivalents 2,516,587 1,863,772 Financial assets measured at 754,734 495,537 amortized cost-current Financial Assets and Investments 12,281,969 14,402,935 PP&E 992,304 846,719 Total A
Slide 3: Statement of Comprehensive Income-QoQ
Statement of Comprehensive Income-QoQ Expressed in Thousands of New Taiwan Dollars 3Q 2025 2Q 2025 QoQ% 3Q 2024 YoY% Operating Revenues 893,942 636,371 40.47% 212,754 320.18% Operating Costs (651,431) (435,284) 49.66% (141,146) 361.53% Gross Profit 242,511 201,087 20.60% 71,608 238.66% Operating Exp
Slide 4: Statement of Comprehensive Income-YoY: 9 Months
Statement of Comprehensive Income-YoY：9 Months Expressed in Thousands 2025 2024 of New Taiwan Dollars Change % Jan. - Sep. Jan. - Sep. Operating Revenues 1,999,996 297,205 572.93% Operating Costs (1,346,624) (175,433) 667.60% Gross Profit 653,372 121,772 436.55% Operating Expenses (724,739) (423,196
Slide 5: www.sis.com IR@sis.com
www.sis.com For more information regarding SiS IR@sis.com www.sis.com For all inquiries, suggestions, and comments IR@sis.com 5