Infineon Technologies AG ramps production at the Smart Power Fab; largest fab for intelligent power semiconductors worldwide

Third Quarter FY 2026 Quarterly Update

1 public Infineon Technologies AG Investor Relations Third Quarter FY 2026 Quarterly Update

2 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 50% 11% 29% 10% Infineon at a glance FY25 revenue by segment FY25 revenue by product category Automotive (ATV) Green Industrial Power (GIP) Power & Sensor Systems (PSS) Connected Secure Systems (CSS) ~35% control & connectivity ~30% analog1 & sensors ~35% power (discretes, modules) ATV GIP PSS CSS of total revenue Addressing long-term high-growth trends Energy green and efficient Mobility clean and safe IoT smart and secure Financials [EUR m] ​FY19​ ​FY20​ ​FY21​ ​FY22​ ​FY23​ ​FY24​ ​FY25​ ​14,955​ ​16,309​ ​14,218​ ​11,060​ ​8,567​ ​8,029​ Segment result​ Revenue​ Segment result margin​ ​14,662​ ​18%​ ​21%​ ​27%​ ​24%​ ​19%​ ​14%​ ​16%​ ​2,560​ ​3,105​ ​4,399​ ​3,378​ ​2,072​ ​1,170​ ​1,319​ 1 including <5% of differentiating memory technologies

3 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Well-balanced portfolio among segments and key applications, highest growth coming from Decarbonization and Digitalization 50% 11% 29% 10% FY25 revenue of €14,662m by segment and key application CSS ATV GIP PSS Main growth contributors (addressed by multiple segments) Further major applications 13% 11% 8% 6% 3% 14% 9% 8% 4% 4% 20% E-mobility Power infrastructure Software- defined vehicle AI/Data center IoT Auto Body Power Classic Powertrain Chassis & Classic Safety Automation & Drives Smart Cards Other

4 Copyright © Infineon Technologies AG 2026. All rights reserved. restricted 2026-01-01 1 Based on or includes research from Omdia: Power Semiconductor Market Share Database – 1H26 (2025 Base Year). May 2026. | 2 TechInsights: Automotive Semiconductor Vendor 2025 Market Shares. April 2026 | 3 Based on or includes research from Omdia: Annual 2001-2025 Semiconductor Market Share Competitive Landscaping Tool – 4Q25. March 2026. Results are not an endorsement of Infineon Technologies AG. Any reliance on these results is at the third party’s own risk. Infineon is a global player, clear #1 in power semiconductors, automotive semiconductors and microcontroller market 2.6% 2.7% 2.8% 3.2% 4.0% 4.2% 4.3% 4.7% 7.2% 17.3% Toshiba ROHM Vishay BYD Fuji Hangzhou Silan Mitsubishi STMicro onsemi Infineon Power discretes and modules 2025 total global market: $32.5bn1 Infineon NXP STMicro Texas Instr. Micron 12.8% 9.6% 7.8% 6.2% 6.1% Renesas Infineon NXP STMicro Microchip 23.2% 19.4% 15.6% 13.0% 7.5% Automotive semiconductors 2025 total market: $74.4bn2 Microcontroller 2025 total market: $22.2bn3

5 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Our Target Operating Model: committing to ambitious financial goals and being the sustainability leader Segment Result Margin Adj. Free Cash Flow Margin1 Sustainability leader CO2 neutrality 2030 Revenue growth

10% 10-15% 25% 1 See notes for definition Target Operating Model through cycle

6 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 ~€0.9bn/ ~€1.85bn Outlook for Q4 FY26 and FY26 1 Based on an assumed average exchange rate of $1.15 for €1.00 for Q4 2 Including the amortization of approximately 400 million Euros from purchase price allocations Investments D&A FCF Adj. FCF Segment Result Margin Revenue Adj. Gross Margin Outlook FY261 Outlook Q4 FY261 ~€4.7bn ~23% ~€2.7bn ~€2.0bn2 ~€16.3bn low-to-mid 40s % ~20%

7 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Modular investment approach for long-term value creation – pull-in of AI related investments for faster ramp Infineon investments1 FY26 1 Investments are defined as the total amount invested in property, plant and equipment and in other intangible assets, including capitalized development costs Basic investments ‒ Maintenance, process optimization, quality, IT Strategic investments ‒ Dresden module 4 Capacity investments ‒ Smart power and logic: enabling further growth for ”powering AI” and analog/mixed-signal products ‒ Includes pull-in of €500m to accelerate AI capacity ramp Research and development ‒ IFRS capitalization of development cost ~€2.7bn

8 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 The Smart Power Fab ramps production at exactly the right time to serve powering AI growth – ahead of construction schedule Summer 2026 Ramp-up Autumn 2023 Shell construction Summer 2023 Building permit Spring 2025 Facility equipment

9 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 The Smart Power Fab – largest fab for intelligent power semiconductors worldwide ‒ Largest fab for intelligent power semiconductors worldwide and one of the most advanced and flexible 300 mm semiconductor manufacturing facilities ‒ Creation of ~1,000 jobs, supported by expanded vocational training, plus strong impact on the ecosystem ‒ Significantly higher ramp speed possible, supported by AI-optimized pre-planning and digital twin ‒ At its core: semiconductors driving decarbonization and digitalization – for automotive and industrial applications, including AI data centers ‒ The combination of power semiconductors with analog/mixed-signal components enables highly energy-efficient, intelligent system solutions

10 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Our Smart Power Fab will serve a highly differentiating power and analog/mixed-signal product portfolio with high flexibility Power Analog/mixed-signal Digital The efficient and flexible product portfolio is a strategic advantage of the fab – e.g. enabling Powering AI growth Power system-on- chip Power Amplifier Processor Power Supply Commu- nication ADC Memory Applications specific controller (e.g. USB-C) Processor Controller COM ADC Memory Driver P r o t e c t i o n Driver LDO MOSFET PROFET Gate driver Logic Sensor MCU power supply Logic Power supply AI power stage gate driver Low side driver High side driver Logic S e n s o r  Power switches →  Analog/mixed-signal ICs → Include significant shares of analog/power + some digital circuitry

11 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Hybrid manufacturing strategy balances inhouse manufacturing and outsourcing to strategic partners – sweet spot for Infineon IFX revenue split Foundry supply globally IFX outsourcing share Control & connectivity ~35% High High Analog & sensors ~30% Medium Medium Power ~35% Low Low Strategic differentiation through right mix of inhouse manufacturing … We manufacture differentiating power & analog/mixed-signal primarily inhouse This results in a differentiation potential – technology, manufacturing processes, cost … and outsourcing to strategic manufacturing partners Differentiation arises not from technology, but mainly from product design and software Capital efficient growth, flexibility and reduced risks Strategic localization

12 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 From 4 to 3 divisions: New organizational structure to bring innovative system-level solutions to customers faster ATV GIP PSS CSS Focus applications (examples) • SDV • E-mobility Automotive (ATV) Power Systems (PS) Edge Systems (ES) • Power infrastructure • AI Datacenter • Robotics & Edge AI • Smart home Clearer ownership of focus applications Further accelerate innovation-to-customer value Reduced complexity streamlines decision-making From… …to:

13 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Well-balanced and simplified business setup FY25 revenue of €14.7bn as reported and pro forma 50% 11% 29% 10% ~50% ~30% MCU, security, wireless connectivity RF, sensors, USB Power (Si MOSFET, GaN), analog ICs Power (IGBT, SiC) OBC ~20% CSS ATV GIP PSS ES ATV PS

14 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Infineon strengthens its sensor leadership with the acquisition of ams OSRAM’s non-optical analog/mixed-signal sensor portfolio A unique opportunity to reinforce our leadership in analog/mixed-signal sensor solutions analog/mixed-signal sensor business CY26e revenue ~€230 m Purchase price €570 m Employees ~230 employees, thereof ~150 in R&D fabless asset-deal Financial impact EPS accretive from day 1 End market split 1 2 Strengthening our global sensor leadership position Accelerating growth and innovation ‒ Acquisition of a top European sensor portfolio with complementary products in automotive and industrial end markets ‒ Expands footprint in high-value medical market ‒ Acceleration of innovation through synergetic R&D ‒ Acceleration of growth via established Infineon go-to-market channels Strategic rationale Transaction overview Medical Automotive Industrial

15 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Infineon serves all markets with a broad sensor portfolio ​ to provide best solutions in Auto and Industrial ‒ Radar sensors ‒ Magnetic position sensors ‒ Magnetic speed sensors ‒ Magnetic current sensors ‒ Inductive sensors ‒ Pressure sensors ‒ Gas/leakage sensors ‒ Silicon microphones ‒ CAPSENSE µC Automotive ‒ Radar sensors ‒ Magnetic position sensors ‒ Current sensors ‒ Pressure sensors ‒ Vibration sensors ‒ Gas/leakage sensors ‒ 3D ToF sensors ‒ CAPSENSE µC Industrial ‒ Temperature sensors ‒ Conventional and photon counting IC ‒ X-ray sensor IC Medical ‒ Magnetic position sensors ‒ Capacitive sensors ‒ Battery sensors ‒ Inductive position sensors ‒ Sensor interface IC ‒ X-ray sensor IC Complementing Infineon’s leading sensor and sensor IC portfolio across automotive and industrial applications Expanding our portfolio in medical applications ams OSRAM analog/mixed-signal sensor business

16 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Strengthening of Infineon’s leading robotics sensor solutions with acquired portfolio – addressing around 200 sensors Infineon’s current & environmental sensors portfolio Current sensors Pressure sensors Microphones Radar systems 3D time of flight ‒ Broad range of environmental sensors (pressure, vibration, SiMiC, ToF, radar) ‒ Capacitive sensing for dexterous hands, >100 position sensors, e.g. for joints ‒ Current sensors for battery management Humanoid sensor usage acquired portfolio Infineon’s combined position sensor portfolio 3D sensor Magnetic switches Inductive sensors Angle sensors Linear sensors

17 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Silicon Diode – MOSFET – IGBT – Driver – Controller Silicon carbide Diode – MOSFET Gallium nitride HEMT – Driver Undisputed power systems leadership mastering all three key materials Software + Algorithms Controller Driver IC Power switch Si/SiC/GaN Leadership in Power Systems across all materials and technologies Reliable multi sourcing of raw materials Application understanding Packaging know-how and hybridization competence World-scale fabs

18 Copyright © Infineon Technologies AG 2026. All rights reserved. public 2026-08-05 Infineon is the leader across all power semiconductor technologies – unparalleled portfolio and know-how Infineon is strengthening its position as the industry’s innovation leader leading the way in all three power semiconductor materials World’s thinnest silicon power wafer with 20 µm on 300 mm World’s first 300 mm gallium nitride power wafer World’s most competitive 200 mm silicon carbide power fab ‒ Broadest Si-power portfolio in the market ‒ Unmatched quality and leading in all figures of merit (FOM) ‒ Best price/performance ratio ‒ Broadest portfolio covering auto and industrial applications ‒ Leading trench performance ‒ High reliability and robustness