Financial Data and Key Metrics Changes - Consolidated net revenues for Q4 were NT$177.9 billion, a 6% sequential increase and a 10% year-over-year increase [15] - Fully diluted EPS for Q4 was $3.24, and basic EPS was $3.37 [14] - Gross profit was NT$34.7 billion, with a gross margin of 19.5%, improving by 2.4 percentage points sequentially and 3.1 percentage points year-over-year [15] - Operating profit for Q4 was NT$17.7 billion, up NT$4.5 billion sequentially and NT$6.5 billion year-over-year, with an operating margin of 9.9% [16] - Net income for Q4 was NT$14.7 billion, representing a 35% increase year-over-year [17] Business Line Data and Key Metrics Changes - ATM revenue grew 23% year-over-year, driven by advanced packaging services and testing business [10] - The general segment grew 13% year-over-year, while the testing business grew 36% year-over-year [10] - EMS revenues were flat sequentially at NT$69 billion, down 8% year-over-year due to product seasonality [28] Market Data and Key Metrics Changes - The ATM business accounted for 60% of consolidated net revenue in 2025, up from 54% in 2024 [18] - The overall ATM utilization rate was around 80%, with higher loading in ATM factories in Taiwan [13] Company Strategy and Development Direction - The company is focusing on expanding its footprint outside Taiwan, particularly in Penang, Korea, and the Philippines, to capture customers and wafers not produced in Taiwan [9] - The strategy includes a "Taiwan Plus One" approach to support global manufacturing requirements [9] - The company aims to double its LEAP services revenue to NT$3.2 billion in 2026, with a significant focus on advanced packaging and testing [11] Management's Comments on Operating Environment and Future Outlook - Management expects revenue growth to continue in 2026 and beyond, driven by AI proliferation and market recovery [11] - The company anticipates a favorable pricing environment and improved operating leverage, with gross margins expected to stay within structural ranges [37] - Management acknowledges the challenges of capacity constraints but remains optimistic about meeting demand [52] Other Important Information - Machinery CapEx for 2025 totaled NT$3.4 billion, with NT$2.1 billion allocated to building facilities and automation [10] - The company plans to maintain aggressive CapEx spending in 2026, adding another $1.5 billion in machinery [37] Q&A Session Questions and Answers Question: Can you provide a breakdown of your LEAP business revenue? - Management indicated that LEAP revenue is expected to double to NT$3.2 billion, with a significant portion coming from OSAT and wafer sort, and full process revenue expected to reach about 10% of overall LEAP service revenue [41][42] Question: What is the outlook for your mainstream business? - The mainstream business is expected to grow at a similar pace as last year, with a friendly pricing environment and decent loading from IoT, automotive, and industrial sectors [51] Question: Is the EMS business being downsized? - Management clarified that the EMS business is not being downsized but is realigning to focus on AI and system-level optimization opportunities [97]