ASE Technology Holding Co., Ltd. - Q1 2026 Filing Summary
Business Context and Reporting Period
This Form 6-K filing reports the unaudited financial results for ASE Technology Holding Co., Ltd. for the first quarter ended March 31, 2026. The company operates as a leading provider of outsourced semiconductor packaging and testing (ATM) and electronic manufacturing services (EMS). The report includes a Safe Harbor notice regarding forward-looking statements and references risks related to semiconductor cyclicality, geopolitical tensions, and trade policies.
Key Financial Metrics
| Metric (NT$ million) | Q1 2026 | Q4 2025 | Q1 2025 |
|---|---|---|---|
| Total Net Revenues | 173,662 | 177,915 | 148,153 |
| Gross Profit | 34,850 | 34,736 | 24,893 |
| Gross Margin | 20.1% | 19.5% | 16.8% |
| Operating Income | 17,532 | 17,690 | 9,671 |
| Operating Margin | 10.1% | 9.9% | 6.5% |
| Net Income (Parent) | 14,148 | 14,713 | 7,554 |
| Diluted EPS (NT$) | 3.08 | 3.24 | 1.64 |
| Cash & Equivalents | 87,811 | 92,469 | - |
| Total Interest-Bearing Debt | 265,334 | 272,945 | - |
| Quarterly EBITDA | 38,165 | 38,344 | - |
Segment Performance:
- ATM (Advanced Technology Materials): Revenue of NT$111,623 million (up 30% YoY); Gross Margin 26.0%.
- EMS (Electronic Manufacturing Services): Revenue of NT$61,361 million (down 1% YoY); Gross Margin 9.5%.
Material Changes vs. Prior Period
- Revenue Growth: Consolidated revenue increased 17% year-over-year (YoY) driven primarily by the ATM segment, which grew 30% YoY. Conversely, EMS revenue declined 10% quarter-over-quarter (QoQ) and was flat YoY.
- Profitability Expansion: Operating income surged 81% YoY to NT$17,532 million, with operating margin expanding to 10.1% from 6.5% in Q1 2025. Gross margin improved to 20.1% from 16.8% YoY.
- Balance Sheet: Total assets increased to NT$957.5 billion. Total interest-bearing debt decreased slightly to NT$265.3 billion, resulting in a net debt-to-equity ratio improvement to 0.40 from 0.46.
- PPA Impact: The filing notes Purchase Price Allocation (PPA) expenses of approximately NT$757 million for Q1 2026, impacting net income. Excluding PPA, diluted EPS would be NT$3.25.
Guidance, Outlook, and Risks
Q2 2026 Outlook (based on 1 USD = 31.8 NT$):
- Consolidated: Revenue expected to grow 7-9% QoQ. Gross margin projected to increase 20-100 basis points QoQ. Operating margin projected to increase 50-120 basis points QoQ.
- ATM: Revenue expected to grow 9-11% QoQ. Gross margin targeted between 26% and 27%.
- EMS: Revenue expected to grow at least 10% YoY. Operating margin expected to be similar to Q2 2025 levels.
Risks and Contingencies:
- Forward-looking statements are subject to risks including semiconductor industry cyclicality, competitive pressures, and regulatory changes.
- Geopolitical risks, specifically the strained relationship between the Republic of China and the People's Republic of China, and shifts in US trade policies.
- Exposure to foreign currency exchange rate fluctuations.
Investor Verification Checklist
- PPA Adjustments: Verify the impact of Purchase Price Allocation expenses (approx. NT$757M in Q1) on reported net income and EPS to understand core operational performance.
- EMS Segment Trend: Investigate the cause of the 10% QoQ revenue decline in the EMS segment despite the overall company growth.
- Currency Sensitivity: Assess the impact of the assumed exchange rate (31.8 NT$/USD) on the Q2 guidance versus actual realized rates.
- Debt Servicing: Review the composition of the NT$265 billion debt load and upcoming maturities given the current interest rate environment.
- Capex vs. EBITDA: Confirm that capital expenditures (NT$1,210M in Q1) remain sustainable relative to EBITDA (NT$38,165M) for future growth initiatives.