Financial Data and Key Metrics Changes - Consolidated revenue for Q4 2025 was TWD 61.81 billion, with a gross margin of approximately 30.7% [4] - Net income attributable to shareholders was TWD 10.06 billion, resulting in earnings per share (EPS) of TWD 0.81 [4][6] - Year-over-year revenue growth for 2025 was 2.3%, totaling TWD 237.5 billion, while gross margin for the year was around 29% [6][7] - Cash reserves exceeded TWD 110 billion, with total equity at TWD 379.8 billion at the end of 2025 [7] Business Line Data and Key Metrics Changes - Revenue from the IDM segment remained stable at about 20% for Q4, while it increased to 19% for the full year [8] - The consumer application segment grew from 28% to 31% year-over-year, indicating a strong demand for 22 nm technology [9] - Revenue from 22 nm and 28 nm technologies represented 36% of total revenue in Q4 2025, with 22 nm revenue increasing by 31% quarter-on-quarter [11] Market Data and Key Metrics Changes - North America represented 21% of revenue in Q4 2025, down from 25% in 2024 [8] - The company noted a decline in capacity utilization by roughly 1% due to annual maintenance schedules [9] - The forecast for 2026 CapEx is around $1.5 billion, slightly down from $1.6 billion in 2025 [10] Company Strategy and Development Direction - UMC aims to expand its footprint in the U.S. through partnerships, including a collaboration with Intel on 12 nm technology [12] - Advanced packaging and silicon photonics are expected to serve as new growth catalysts, addressing high-performance applications across various sectors [13] - The company is focused on optimizing its product mix and gradually improving ASP and margins in response to market dynamics [22][23] Management's Comments on Operating Environment and Future Outlook - Management expects wafer demand to remain firm in 2026, with AI-related segments as primary growth drivers [17] - The semiconductor industry is projected to grow by mid-teens in 2026, with UMC expected to outperform its addressable market [18] - Management acknowledged potential pressures from memory supply imbalances but remains optimistic about overall demand [22] Other Important Information - The company is working on enhancing its advanced packaging capabilities, with expectations for significant revenue growth in 2027 [81] - UMC's specialty technology revenue currently represents about 50% of overall revenue, with high voltage making up 30% of that [74] Q&A Session Summary Question: Overall market outlook for 2026 - Management expects AI-related segments to drive growth, with the semiconductor industry projected to grow by mid-teens [17][18] Question: Pricing outlook for mature foundry - A more favorable ASP environment is anticipated in 2026, supported by disciplined pricing strategies and product mix optimization [19][20] Question: Capacity ramp in Singapore - Capacity increase for 2026 is expected to be around 1.2% year-over-year, with expansion starting in the second half of 2026 [23] Question: Revenue contribution from advanced packaging - Advanced packaging revenue is expected to grow significantly in 2027, with more than 20 new tape outs anticipated [81] Question: Impact of memory price inflation on demand - Management has not observed significant demand impacts from memory price inflation, focusing on high-end market segments [62] Question: Competitive advantage in silicon photonics - UMC's collaboration with imec is expected to deliver industry-standard PDKs, with a focus on 12-inch technology [95][96]

Financial Data and Key Metrics Changes - Consolidated revenue for Q4 2025 was TWD 61.81 billion, with a gross margin of 30.7% and net income of TWD 10.06 billion, resulting in an EPS of 0.81 NT dollars [5][6] - Revenue grew 4.5% quarter-over-quarter and 2.3% year-over-year, reaching TWD 237.5 billion for the full year of 2025 [6][12] - Gross margin improved to 30.7%, with net income for 2025 at TWD 41.7 billion, reflecting a net income rate of 17.6% [6][7] Business Line Data and Key Metrics Changes - Revenue from the IDM segment remained stable at about 20% for Q4, while for the full year, it increased to 19%, up by 3 percentage points [8] - The consumer application segment increased by 3 percentage points to 31% from 28% year-over-year, with 22-nanometer technology being a key growth driver [9][10] Market Data and Key Metrics Changes - North America represented 21% of revenue in Q4 2025, down from 25% in 2024 to 22% in 2025, while Asia and Europe saw increases [8] - The 22-nanometer revenue increased to 31% quarter-on-quarter, accounting for over 13% of total Q4 revenue [12] Company Strategy and Development Direction - UMC aims to expand its footprint in the U.S. through partnerships, including a collaboration with Intel on a 12-nanometer project [13][14] - The company is focusing on advanced packaging and silicon photonics as new growth catalysts, addressing high-performance applications across various sectors [14][48] Management's Comments on Operating Environment and Future Outlook - Management expects wafer demand to remain firm in 2026, with a projected growth year supported by the 22-nanometer platform and new solutions [12][13] - The semiconductor industry is projected to grow by mid-teens in 2026, with UMC expected to outperform its addressable market [18][19] Other Important Information - The 2026 CapEx plan is around $1.5 billion, slightly down from $1.6 billion in 2025 [11] - The company anticipates a more favorable ASP environment in 2026, driven by disciplined pricing strategies and product mix optimization [20][21] Q&A Session Summary Question: Overall market outlook for 2026 - Management expects AI-related segments to drive growth, with the semiconductor industry projected to grow by mid-teens [18] Question: Pricing outlook for mature foundry - A more favorable ASP environment is anticipated in 2026, supported by product mix optimization and reduced exposure to commoditized segments [20][21] Question: Capacity ramp in Singapore - Capacity increase for 2026 is expected to be around 1.2% year-over-year, with expansion starting in the second half of 2026 [24] Question: Impact of memory pricing on demand - Management has not observed significant demand impact from memory pricing increases, focusing on high-end market segments [66] Question: Revenue contribution from advanced packaging - Advanced packaging revenue is expected to grow significantly in 2027, with more than 20 new tape outs anticipated in 2026 [88] Question: Competitive advantage in silicon photonics - UMC's collaboration with imec aims to deliver industry-standard PDKs by 2027, focusing on 12-inch technology [101][102]