Enabling the Future Amkor Technology Investor Presentation May 2025 © 2025 Amkor Technology, Inc. 1 Disclaimer Non-GAAP Measures This presentation contains certain measures that are not defined terms under U.S. generally accepted accounting principles ("GAAP"). These non-GAAP measures should not be considered in isolation or as a substitute for, or superior to, measures of liquidity or performance prepared in accordance with U.S. GAAP and may not be comparable to calculations of similarly titled measures by ...

Financial Data and Key Metrics Changes - Amkor reported revenue of $1,320 million for Q1 2025, reflecting a 3% year-on-year decline [15][20] - EPS was $0.09, impacted by higher R&D costs [5][19] - Gross profit was $158 million with a gross margin of 11.9%, lower sequentially and year-on-year due to reduced volumes [18] - Operating income was $32 million, representing 2.4% of sales [19] - Net income was $21 million, with first quarter EBITDA at $197 million and an EBITDA margin of 14.9% [19][20] - Total liquidity at the end of the quarter was $2,200 million, with total debt of $1,150 million and a debt to EBITDA ratio of 1.1x [20] Business Line Data and Key Metrics Changes - Communications revenue decreased by 19% year-on-year, primarily due to lower revenue within the iOS ecosystem [15][16] - Computing revenue increased by 21% year-on-year, driven by engagements across data center, networking, and PC customers [15][16] - Automotive and industrial revenue declined by 6% year-on-year but remained stable sequentially [16] - Consumer market revenue increased by 23% year-on-year, driven by hearable programs utilizing advanced SiP technology [17] Market Data and Key Metrics Changes - The communications segment is expected to see sequential growth in Q2, reflecting efforts to optimize line utilization [16] - The computing segment is anticipated to grow sequentially in Q2, driven by strong demand for new PC devices [16] - The automotive market is recovering, with strength in advanced packaging driven by ADAS and infotainment applications [13][16] Company Strategy and Development Direction - Amkor's strategy is based on three pillars: strengthening technology leadership, expanding geographic footprint, and partnering with lead customers in growth markets [8][23] - The company is focused on advanced packaging and test solutions, particularly in high-performance computing and AI [9][10] - Plans for a new advanced packaging facility in Arizona are on track, with construction expected to begin in the second half of 2025 [11][20] Management's Comments on Operating Environment and Future Outlook - Management is closely monitoring tariffs and trade regulations, with operations largely unaffected due to a diversified global footprint [6][22] - The outlook for the automotive and industrial markets remains cautious, with expectations of single-digit growth in Q2 [38] - Management expressed confidence in the long-term strategy to achieve profitable growth despite current market uncertainties [14][23] Other Important Information - The company expects Q2 revenue between $1,375 million and $1,475 million, representing growth of 8% sequentially at the midpoint [20] - Gross margin for Q2 is expected to be between 11.5% and 13.5%, reflecting modest improvement in utilization [21] Q&A Session Summary Question: Insights on Q1 performance and Q2 expectations - Management noted that Q1 performance was better than expected due to strength in communications and computing segments, with no significant pull-ins observed from customers [27][28] Question: CapEx plans in light of tariffs - Management confirmed that CapEx plans remain unchanged at $850 million, with flexibility to adjust if unexpected events arise [29][31] Question: Communications segment outlook for the second half - Management indicated that fundamentals for the communications segment remain strong, but uncertainties due to trade restrictions could impact volumes [36] Question: Automotive market guidance - Management believes the automotive market has hit a trough, with cautious optimism for growth driven by advanced packaging applications [38] Question: Arizona expansion opportunities - Management sees TSMC's expansion as an opportunity for Amkor, evaluating ways to accelerate and scale up operations in Arizona [44][46] Question: Revenue generation from RDL technology - Management expects revenue from RDL technology to begin towards the end of the year or early next year, with multiple devices in qualification [54] Question: AI's impact on smartphone growth - Management believes AI will drive innovation in premium smartphones, but predicting its impact on unit growth this year is challenging [75]