IMOS

Business Context and Reporting Period

ChipMOS TECHNOLOGIES INC. (Nasdaq: IMOS), a leading provider of outsourced semiconductor assembly and test (OSAT) services, reported unaudited consolidated financial results for the month of April 2026. The filing, dated May 8, 2026, covers operations across facilities in Taiwan serving global fabless semiconductor companies and foundries.

Key Financial Metrics

Profit, Cash Flow, Margins, Debt, and Liquidity: The filing text does not provide clear values for net income, operating margins, cash flow, debt levels, or liquidity ratios for the reported period.

Material Changes

• Year-over-Year Growth: Revenue increased by 32.2% compared to April 2025, driven by persistent AI-related demand and supply imbalances.
• Month-over-Month Decline: Revenue decreased by 1.6% compared to March 2026.

Outlook, Risks, and Management Commentary

Management highlighted ongoing revenue strength with visibility into customer demand extending through 2026, primarily led by AI-related sectors. The company noted a persistent demand/supply imbalance in the market.

Risks and Contingencies: Forward-looking statements warn of potential material differences in actual results due to:

• Macroeconomic conditions, including high inflation, foreign exchange rate fluctuations, and recession risks.
• Changes in trade regulations, policies, and the imposition of tariffs affecting operations.
• Consumer confidence and general financial market volatility.

Investor Verification Checklist

• Verify the sustainability of the 32.2% year-over-year revenue growth trend beyond the single-month report.
• Confirm the specific impact of AI-related demand on the company's capacity utilization and backlog.
• Review the most recent Form 20-F for detailed debt, liquidity, and margin data not included in this 6-K.
• Monitor potential tariff changes and trade policy shifts that could affect the company's Taiwan-based operations and export markets.