The Stock Exchange of Hong Kong Limited and the Securities and Futures Commission take no responsibility for the contents of this Application Proof, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this Application Proof. Application Proof of SUNKING SEMICONDUCTOR CO., LIMITED (深圳市尚鼎芯科技股份有限公司) (the "Company") (A joint stock company established in the Peopl ...

Financial Data and Key Metrics Changes - Revenue for Q4 2025 was $177.6 million, with GAAP earnings per share of $0.12 and non-GAAP earnings per share of $0.28, reflecting a focus on operational efficiency [8][14] - Gross margins were reported at 45.7%, with total operating expenses at $80.3 million on a GAAP basis and just below $70 million on a non-GAAP basis [14][15] - For the upcoming December quarter, revenue is expected to increase by approximately 7% sequentially to $190 million, with gross margins projected at 47% [15] Business Line Data and Key Metrics Changes - General semiconductor revenue increased by 24% sequentially, driven by technology and capacity needs, with utilization rates over 80% [9] - Memory-related revenue increased by nearly 60% sequentially to $24.4 million, primarily due to NAND-related capacity additions [9] - Advanced packaging solutions saw a 17% sequential increase in APS, indicating improved production activity across the high-volume install base [10] Market Data and Key Metrics Changes - Utilization rates for general semiconductor and memory applications are improving, with general semiconductor utilization over 80% and memory utilization around 82-83% [9][25] - The automotive and industrial markets are showing early signs of improvement, with expectations for sequential growth in the upcoming quarters [10][34] - China’s utilization rates are close to 90%, indicating strong demand in the region [25] Company Strategy and Development Direction - The company is focused on advancing its technology in areas such as thermal compression, vertical wire, and advanced dispense, aiming to capture market share in high-potential technologies [5][10] - The transition to advanced packaging techniques is seen as crucial for supporting power efficiency and performance improvements [12] - The company anticipates that half of its incremental growth in fiscal 2026 will stem from technology transitions and share gains in new markets, with the other half from cyclical recovery [16] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism about improving end market dynamics and strong traction in advanced packaging and power semiconductor opportunities [10][16] - The company is preparing for higher production levels while continuing to drive technology transitions [6][10] - Management noted that the automotive market, while previously soft, is expected to show sequential improvement in fiscal 2026 [10][34] Other Important Information - The company repurchased $16.7 million worth of shares during the September quarter, totaling 2.4 million shares for the fiscal year [15] - The transition in leadership with Lester Wong as Interim CEO is expected to be seamless, maintaining strategic focus and continuity [4][5] Q&A Session Summary Question: Guidance on segment growth for general semi, memory, and auto-industrial - Management confirmed strong growth in general semi and memory, with expectations for sequential growth in auto-industrial as well [18][19] Question: Status of FTC plasma solution and competition - Management stated they remain competitive in high-volume production and continue to feel strong about their FTC solution [19][20] Question: Details on HBM system shipment - The first HBM system is being shipped to a customer in the U.S. for qualification, with expectations for future updates post-installation [22][23] Question: Growth expectations for fiscal 2026 - Management is comfortable with consensus revenue expectations around $730 million to $740 million, with growth driven by technology transitions and cyclical recovery [24] Question: Insights into the NAND market - High utilization rates in memory, particularly in China, are driving improvements, with expectations for continued order increases [25] Question: Dynamics in the memory market - Management indicated that memory utilization is high and sales are increasing, signaling a ramp in memory recovery into FY2026 [32] Question: Outlook for automotive and industrial markets - Management expressed optimism for sequential growth in auto-industrial revenue, particularly in Southeast Asia and China [34]

Financial Data and Key Metrics Changes - The third quarter 2025 cash burn from operating and investing activities was $2.7 million, an increase from $2.4 million in Q3 2024 and $2.5 million in Q2 2025 [18] - Operating expenses were $3 million in Q3 2025 compared to $2.9 million in Q3 2024, attributed to higher wafer fabrication costs [19] - Net loss in Q3 2025 was $2.9 million, compared to $2.7 million in Q3 2024 [21] Business Line Data and Key Metrics Changes - A purchase order was secured from Stellantis for custom development and packaged B-TRAN devices targeting multiple electric vehicle applications [9] - The power rating of the discrete B-TRAN product was increased by 50%, leading to greater interest from customers [11][15] - The first DesignWin customer is expected to generate several hundred thousand dollars in revenue in its first year, potentially exceeding $1 million in the second year [14] Market Data and Key Metrics Changes - The company is engaged in discussions with a sixth global automaker evaluating B-TRAN for next-generation high-voltage EV applications [10] - Interest in B-TRAN is growing across Asia, which is the largest market for power electronics [12] - Third-party automotive qualification testing of B-TRAN devices is underway, with positive early test results [12] Company Strategy and Development Direction - The company aims to commercialize its B-TRAN technology in high-growth power applications across data centers, industrial, and automotive markets [4] - The strategy includes leveraging extensive commercial experience to drive revenue growth in target markets [5] - The company is focused on executing with rigor and discipline to establish credibility and maintain investor confidence [7] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the company's position to drive long-term value creation and highlighted the importance of understanding customer needs [8] - The CEO emphasized the trend towards higher power architectures in EVs and the need for improved power efficiency and density [25][31] - The company anticipates a continued trend towards higher power levels across multiple applications, which aligns with B-TRAN technology advantages [31] Other Important Information - The company has 97 issued B-TRAN patents, with 73 pending, and is focused on safeguarding its intellectual property [17] - Cash and cash equivalents totaled $8.4 million at September 30, 2025, with no debt [18] - The company expects fourth quarter 2025 cash burn to be approximately $2.5-$2.7 million, with a full year 2025 cash burn of approximately $10 million [18] Q&A Session Summary Question: What is driving the automakers to look for better solutions? - The shift to higher power architectures, particularly the adoption of 800-volt battery systems, is driving automakers to evaluate new technologies for improved power efficiency and density [25] Question: Is the product currently available for sale? - The product is not currently for sale; the customer is finalizing their product design [28] Question: How do you see the markets evolving? - The markets are expected to trend towards higher power applications, with a focus on improved power efficiency and density [30][31] Question: What is Ideal Power doing to expand the sales pipeline? - The company has added direct sales in Asia and is conducting meetings with current and prospective customers [33] Question: How does B-TRAN compare to competitors? - B-TRAN has advantages of ultra-low conduction losses and bidirectionality, translating to more efficient and compact products at lower costs compared to silicon and silicon carbide solutions [34]

Summary of Key Points from the Conference Call Industry Overview - The report focuses on the power semiconductor industry, specifically SiC (Silicon Carbide) and IGBT (Insulated Gate Bipolar Transistor) technologies, assessing the competitive landscape against Chinese manufacturers [1][7]. SiC Market Insights - The SiC industry is currently experiencing severe oversupply, but demand is projected to grow fourfold over the next five years, with a significant improvement in supply-demand balance expected in three years [2][8]. - SiC penetration in xEV (electric vehicles) is forecasted to increase from 19% in 2025 to 49% by 2030, driven by advancements in 800V technology and cost reductions [2][14]. - The cost of SiC devices is expected to decrease by 30% over the next five years due to improved yields and declining substrate prices [2][16]. - Substrate capacity is expanding, particularly due to Chinese entrants, which is expected to lower substrate prices [2][33]. - Utilization rates for front-end capacity are projected to rise from 50% in 2024 to 76% in 2028, indicating a recovery in the market [2][42]. IGBT Market Insights - The global IGBT market is expected to grow from USD 6.8 billion in 2024 to USD 8.3 billion by 2030, reflecting a 3% CAGR [3][62]. - Despite competition from local Chinese manufacturers, overseas suppliers are expected to maintain stable revenues, particularly in high-end markets [3][73]. - The market share of global players in China is projected to decline from 62% to 35%, but they will continue to dominate the high-end segment [3][62]. Company-Specific Insights - **Infineon**: Recognized as a leader in SiC and IGBT technology, expected to gain market share due to its product strength and low manufacturing costs [4][48]. - **Renesas**: Although it has canceled its SiC plans, it benefits indirectly through its stake in Wolfspeed, which is not reflected in its current valuation [4][56]. - **DISCO**: Anticipated to benefit from the improving SiC outlook and potential capacity expansions in the future [4][55]. Investment Implications - Infineon, DISCO, and Renesas are rated as outperformers, with target prices set at EUR 49.00, JPY 52,800, and JPY 2,300.00 respectively [6][54]. Additional Insights - The SiC market is expected to see significant growth in applications such as xEVs (64.5% contribution) and solar energy systems, with solar demand projected to reach 124 kwpy by 2030 [9][10]. - The report highlights the importance of SiC in high-voltage applications due to its superior power efficiency and thermal conductivity [17][19]. - The competitive landscape indicates that overseas suppliers will continue to dominate the SiC market, despite the emergence of Chinese players [47][53]. Conclusion - The power semiconductor market, particularly for SiC and IGBT technologies, is poised for growth despite current oversupply challenges. Key players like Infineon and DISCO are well-positioned to capitalize on this growth, while the competitive dynamics with Chinese manufacturers will continue to evolve.

Core Viewpoint - The company has established a comprehensive ultrasonic solution in the power semiconductor field, with successful mass production of various ultrasonic welding machines and equipment [1] Group 1: Product Offerings - The company offers a full range of ultrasonic solutions including ultrasonic terminal welding machines, ultrasonic PIN needle welding machines, ultrasonic bonders, and ultrasonic scanning microscopes [1] - All products have achieved mass production, indicating strong operational capabilities [1] Group 2: Partnerships - The company maintains good cooperation with well-known enterprises such as SAIC Infineon, CRRC Times, Zhenhua Technology, Hongwei Technology, Silan Microelectronics, and Chiplink Integration [1]

Investment Rating - The report maintains an "Overweight" (OW) rating on Yangjie Technology and StarPower Semiconductor, while it is "Equal-weight" (EW) on Silan Micro and "Underweight" (UW) on CR Micro [6][5][12]. Core Insights - Power semiconductor pricing has stabilized, but discounts to end customers will impact gross margins in 1Q25. Companies with higher automotive exposure and better operational efficiency are favored [1][5]. - Power discrete sales have shown signs of recovery, with a 10% year-over-year shipment growth recorded in February 2025. The blended average selling price (ASP) of IGBT is stabilizing, indicating a potential recovery in this segment [2][15]. - Chinese power semiconductor companies are capitalizing on automotive opportunities, with Yangjie Technology's automotive product sales growing over 60% in 2024, significantly outpacing its total revenue growth of 12% [3][5]. - SICC has increased its global market share in SiC substrates to 22.8% in 2024, and there are expectations for further growth in SiC devices due to local self-sufficiency being less than 10% [4][12]. Summary by Sections Pricing and Margins - Power semiconductor pricing has largely stabilized, but normal price discounts will affect gross margins in 1Q25 [1]. - StarPower's gross margin is expected to be the lowest quarterly level this year, with gradual improvement anticipated for the rest of the year [2][10]. Company Performance - Yangjie Technology is expected to see an 18% year-over-year revenue increase in 1Q25, although a 3% quarter-over-quarter decline is anticipated due to seasonality [11]. - StarPower's revenue is projected to grow by 19% in 2025, driven by strong demand in the Chinese EV market and its acquisition of MSCT [10][12]. - SICC's revenue is expected to decline by 6% quarter-over-quarter in 1Q25 due to seasonal factors, but gross margins are anticipated to remain stable [10]. Market Trends - The automotive sector is a significant growth driver for power semiconductors, with companies like Yangjie showcasing their automotive solutions at major trade fairs [3]. - The global market for SiC devices is expected to grow, with local players like UNT and Silan Micro making strides in production capacity [4]. Price Target Adjustments - Price targets for StarPower and SICC have been lowered to Rmb115 and Rmb77, respectively, reflecting changes in market conditions and pricing pressures [6][12].