Phison IMAGIN+ Data Engaged. ITPT 2023 IT Press Tour 2023

Forward-Looking Statement Information included in this presentation that are not historical in nature are "forward looking statements“. Phison cautions readers that forward looking statements are based on Phison’s reasonable knowledge and current expectations and are subject to various risks and uncertainties. Accordingly, readers should not place reliance on any forward-looking statements. Except as required by law, Phison undertakes no obligation to update any forward-looking statement, whether as a result of new information, future events, or otherwise. IT Press Tour 2023

Phison Team Corporate story: Michael Wu GM & President USA IMAGIN+ in the enterprise story: Andy Higginbotham Sr. Director, Enterprise SSD Marketing & Business Development IMAGIN+ use cases and successes: Sebastien Jean CTO IT Press Tour 2023

Corporate Overview Michael Wu

Quick Facts About Phison 23+ Years Experience 3800 +HC 75% R&D $2B 2022 Revenue Business Categories Client | Embedded | Enterprise Automotive | Gaming | Design Service Power IC | Signal IC Annual Controller Shipments 600M 16 EB Annual NAND Consumption Publicly listed 8299.TWO IT Press Tour 2023

Phison is a Technology Leader in NAND Storage Six World Firsts First Gen4 2019 Highest Capacity M.2 2020 First Gen4 QLC 2020 Highest 2.5 eSSD 2020 Fastest Gen4 2021 Fastest Gen5 2023 Millions in USD IT Press Tour 2023

Diversified Revenue Stream Enables Healthy Revenue and Margin Revenue from OEM/ODM/Tier 1 70% Revenue Distribution 23Q1 IT Press Tour 2023

One-of-a-kind Business Model The Foundation that Accelerates Innovation Controller ASICs • Best Partner for NAND Semicon • Design to Support Multiple NANDs • Sophisticated ASIC Knowledge • Cutting-Edge ECC Design Finished SSDs • Controller/NAND/DRAM All-In-One • Vertical Integration • System-Level Validation • One-stop Shopping Design Service • Comprehensive IP License • TSMC/UMC Process • Highly Customized • Software Development Kit IT Press Tour 2023

Phison Serves the World’s Largest Storage OEMs NAND flash makers are Phison customers and suppliers OEM Customers NAND Storage Private Label IP Licensing PC OEM Gaming Consoles Automotive Datacenter Industrial Embedded IP IT Press Tour 2023

Phison’s World-Wide Influence Powered by Phison Other 74% Phison 26% 1 out of every 4 SSD shipped with Phison inside 244 MILLION TOTAL 2022 World-Wide Client SSD Unit Shipments IT Press Tour 2023

Phison Powers 9 of Top 24 Best SSDs of 2022 Source: https://www.storagenewsletter.com/2022/07/15/24-best-ssds/ 1. SK Hynix Platinum P41 2. Kingston KC3000 3. WD Black SN850 4. Sabrent Rocket 4 Plus + M.2 NVMe Heatsink 5. Silicon Power XPower XS70 6. Crucial P5 Plus 7. Sabrent Rocket 4 Plus 8. SK Hynix Gold P31 9. Samsung 970 EVO Plus 10.Crucial P5 M.2 NVMe SSD 11.Patriot Viper VPR100 12.Sabrent Rocket 4 Plus 13.Sabrent Rocket Q 14.WD Black SN770 15.HP FX900 16.WD Blue SN570 17.WD Red SN700 18.Samsung 870 EVO 19.Crucial MX500 20.Samsung 860 Pro 21. Intel Optane SSD DC P5800X 22. Seagate FireCuda 530 23.Inland Performance Plus 24.WD Black AN1500 • Phison partner company highlighted in blue as per review websites • Each company has their own unique features and branding Voted 2021 & 2022 Best SSD Controller July 15, 2022 IT Press Tour 2023

Phison SSD Technology Trusted by Highly Respected Companies Mars Perseverance Rover Depends on Phison’s SSD Phison’s E18 SSD is on the ISS CEO Sanjay Mehrotra introduces Micron Model 2450 SSD with Phison Controller “Seagate and Phison Broaden Partnership to Bolster Portfolio of High-Performance, High-Density Enterprise-Class Solid State Drives Optimized to Lower Data Center TCO” https://www.youtube.com/watch?v=Ab3wlz4OYCg&t=6s&ab_channel=PhisonElectronicsCorp. April 6, 2022 Sources: 1. https://www.phison.com/en/company/newsroom 2. https://www.storagenewsletter.com/2021/05/17/phison-ussd-on-mars/ 3. https://www.youtube.com/watch?v=pzsOY0n8bHc (Micron at Computex 2021, fast forward to 37 - 39 minutes into the presentation) 4. https://www.anandtech.com/show/16786/seagate-announces-firecuda-530-pcie-40-ssd-at-sg21 5. https://www.tomshardware.com/reviews/kingston-kc3000-m2-ssd-review 6. https://www.pcgamer.com/wd-black-sn750-se-announce/ “This sleek storage device delivers 64% higher read performance than the prior generation and 40% lower power slumber consumption. It is engineered specifically for high performance thin and light notebooks” June 1, 2021 IT Press Tour 2023

Over 20 Years Creating Wide Variety of Products USB Card eMMC SATA SSD UFS PCIe SSD Beyond Storage Redriver Retimer PMIC Powering Diverse Applications IT Press Tour 2023

Expert Engineering and Product Customization In-House Highest vertical integration inside the controller Phison not only develops all of its critical IP in house, but also validate it together at each new TSMC process node, making Phison’s IP the most stable and reliable IP in the industry. TSMC 7 FFC SerDes Host Controller IP Mixed Signal CoXProcessor FTL Advanced ECC Memory Interface IP Security Features VALIDATED! Expert in SSD systems engineering: 20 years of experience making NAND and SSD modules World’s First Gen4 SSD Purchase NAND Wafers Controller R&D Firmware R&D Manufacturing IT Press Tour 2023

Phison’s Unmatched R&D IP & Excellence in Execution • Phison owns controller IP and firmware, no company develops more controller IP SerDes MXS DRAM Interface ECC Security FTL Host Interface CPU Complex NAND Interface Benefits: fastest R&D times, design maturity at tape-out R&D MFG Outsourced IP In House IP Legend: SerDes MXS DRAM Interface ECC Security FTL Host Interface CPU Complex NAND Interface Competitor’s IP Phison’s IP Up to 6 companies to make the controller, who do you call when issues found? After tape-out, who is responsible when timing issues found in manufacturing yield? IT Press Tour 2023

Continue to Strengthen Phison's Leading Technology Position Advancing our technology lead by investing in new ASICS and cutting-edge products Retaining core talent for project continuity, efficient execution, and legacy experience Delivering best-in-class customer service and support Phison vs Competition R&D Expense Comparison IT Press Tour 2023

Phison and Seagate Announce Enterprise SSD Partnership • #1 Trusted Brand in Enterprise for over 30 years • Extensive product line in Enterprise • Best drive validation, most reliable products • World-wide engineering and business support Seagate • World’s largest custom SSD manufacturer • Develops more IP inside controllers than any other company • Concurrent development of f/w and controller IP enables fastest times to market, most reliable products Phison Strategic Partnership Creates Best-in-Class Performance and Features PCIe Gen4 Dual Port X1 SSD IT Press Tour 2023

SEAGATE VIDEO IT Press Tour 2023

IMAGIN+ platform: Data Engaged Andy Higginbotham

Where your imagination becomes technological reality

Phison Enterprise GTM Strategy SATA DC SSD Legacy | Replacement Market • Industry-leading capacity • Long product life support • Limited suppliers, higher margin • Power efficient • Boot drives • Price competitive Mainstream Imagin+ Design Service Specialized Enterprise Applications • Customized controllers • Customized products • Customized features Custom Design Legacy M.2 | E1.S SSD Storage System Integrators Dual-port U.3 Tier-1 Storage OEMs • Best-in-class performance • Customized features • Limited suppliers, higher margin High-end IT Press Tour 2023

IT Press Tour 2023

ü Industry leading NAND technology ü 2,000+ patents worldwide ü R&D focused company Enhanced Competitiveness ü Best-in-class IP, ASIC, FW ü IMAGIN+ Design Labs for brainstorming, prototyping ü Global support operations ü Excellence in program execution ü Validation resources, robust testing ü Turnkey storage device expertise Streamlined Engineering Processes Accelerated Time-to-market Industry Leading Technology Collaborative Resources Sharing Efficient Flow for New Product Introduction (NPI) IT Press Tour 2023 Design Services Empowering Innovation

Enables “World Changing” Applications of Today • Dramatic new era of Artificial Intelligence, Machine Learning, High Performance Compute applications • Requires fastest data speeds, but lowest power consumption, with most advanced firmware features IMAGIN+ Design Labs • Creativity • Intellectual Property • Thousands of R&D Engineers • Capital Equipment • Test s/w and Platforms • Excellence in Execution Hardware and Systems Solution Providers • Workstations • Servers • Rack Storage Application Developers • Artificial Intelligence • Machine Learning • HPC • Virtualization • Edge Computing IT Press Tour 2023

PS5020-X1 Product Introduction Phison’s X1 Series SSD is highly customizable for optimal performance in enterprise applications that demand faster and smarter global infrastructures. The X1 enables enterprises to reduce the total cost of ownership through higher storage density, lower power consumption and best-in-class performance. PS5020-X1 • Interface： PCIe 4.0 x4 • Protocol： NVMe 1.4 • Capacity： 2TB to 32TB RAW NAND • Form Factor： U.3/U.2, 2.5” x 15mm • DWPD： 1, 3 DWPD options • MTBF： 2.5 million hours • Warranty： 5 years • Dual-port design • Ultra-low latency • Power loss protection (PLP) • End-to-end data path protection (E2EDPP) • Phison 5th Gen LDPC ECC engine • Self-encrypting drive (SED) & FIPS 140-3 • Optimized for 24/7 enterprise workloads 7,400 MB/s 1,750K IOPS Ran. Read 6,900 MB/s 470K IOPS Ran. Write Seq. Read Seq. Write Specification Features Performance IT Press Tour 2023

Complete NDA, discuss specs and objectives. Develop customer advantages with IMAGIN+ Brainstorming, specs IMAGIN+ Easy as 1,2,3 Step 1 Phison provides cost estimates, program schedule, and payment milestones Business plan review Step 2 Execute MOU or SOW, launch project! Document scope of work, execution Step 3 IT Press Tour 2023

Phison Exclusive Advantages Aggressive Schedules Multi-NAND Enablement NAND Makers Partnership More Than Storage Signal Conditioning ICs, PMICs System-level Design Review Technical Support Ecosystem Partners IP Services Customized Firmware Vertical Integrated Turn-key Controller Business Customization On-site Support UFS eMMC Comprehensive Storage Portfolio NAND Expertise 3 4 2 1 Phison Exclusive Advantages IT Press Tour 2023

Designed For Low Power Phison’s Patented CPU Architecture Enables Exceptional Performance at Low Power Competitor Gen 4 – 1TB 7 GB/s : 6.5 W 1.09 efficient Phison E18 – 1TB *Higher is better 7 GB/s : 8.1 W 0.87 efficient* IT Press Tour 2023

Enterprise Architecture Flagship Enterprise Learning from GPU • SSD are fast because of parallel processing • Smaller cores are more efficient • More cores means better balance and more work Traditional Big Architecture Phison Efficient Architecture Overload Underload IT Press Tour 2023

Phison is Leading The Pack! First in the World to Ship PCIe Gen5 SSDs 5.0 Five World’s Firsts in 18 Months Leading Process & Power Repeat Gen4 Success IT Press Tour 2023

Data Performance for AI Everywhere Sebastien Jean

AI at the Edge: Annual Statistics Active cell phone users1 with cameras Total vehicle miles driven2 in the US 1 - https://www.statista.com/statistics/218984/number-of-global-mobile-users-since-2010/ 2 – https://afdc.energy.gov/data 7.2 billion 3.2 trillion IT Press Tour 2023

AI at the Edge: Cloud is too slow Edge devices provide local AI-based compute capability Your phone correctly tags all the pictures of you kids, your boat and differentiates your two cats (it also knows they are cats) Cars can read the posted speed limit off street signs, follow the road, maintain spacing (and apply emergency breaking) IT Press Tour 2023

AI at the Edge: Custom storage When each scenario needs something different Wearables need tiny storage devices that fit into a frame or a seam Automotive storage needs high speed, high temp and high endurance Edge content servers need ultra-high density to offset limited PCIe lane count IT Press Tour 2023

Phison Everywhere Across Enterprise Verticals and Workloads IT Press Tour 2023

Smart ECC: AI + NAND • SSDs are typically designed and warrantied based on NAND vendor specifications • For most drive markers, operating beyond base specifications causes performance degradation • Phison is different Performance +30% Phison AI Optimization Standard Optimization IT Press Tour 2023

Innovative Security Solutions FIPS 140-3, level 2 in progress TCG Opal integration AI logic running on dedicated secure processor analyzes sensors and data access patterns Accelerometer for motion detection, tampering Encrypted Host Communications Super Caps power security for days, even under power loss Detect policy violations, then lock SSD Customized Innovative Solutions IT Press Tour 2023

Looking forward à CXL Storage PCIe accelerated in 2018 after 7 years of Gen 3 stagnation SSD Channel Gen 4x4 @ 7 GB/s Gen 5x4 @ 14 GB/s Gen 6x4 @ 28 GB/s DRAM Channel DDR3 @ 6 – 17 GB/s DDR4 @ 12 – 25 GB/s DDR5 @ 38 – 57 GB/s CXL Level 1 CXL DRAM Expansion Gen 4x4 @ 7 GB/s Gen 5x4 @ 14 GB/s Gen 6x4 @ 28 GB/s Level 2 Level 3 Industry Acceptance ??? Longer Latency CXL Industry Acceptance Longer Latency CXL IT Press Tour 2023

Automotive: Driving Edge AI Innovation 4TB per car and more to support “mobile data centers” ADAS/Autonomous Driving Infotainment & Digital Cluster Connectivity Rear Seat Infotainment Accident Recorder HD Map IT Press Tour 2023

Best-In-Class for Automotive Sub-one DPPM strategy Powered by Security • RSA/SHA/AES Virtualization • NVMe SR-IOV Data integrity & lifetime • E2E data protection • Wear leveling Performance • Low latency • Consistent performance Diagnostics • BIST (built-in self-test) • Health status report Safety • #1 NAND Controller IC Company Certificated ISO26262 (SSD) • #1 NAND Controller IC Company Certificated ASPICE Level3 Gap analysis (eMMC) IT Press Tour 2023

Big Agriculture & High-Performance Data Infrastructure IT Press Tour 2023

Phison is Heading to the Moon • TRL-6: Operated in low earth orbit • The two biggest challenges for space are cooling and high-energy particles • Requires the data reliability of enterprise with the mechanical resiliency of industrial • Security is must-have as the number of crewed lunar missions expand • TRL-9: After moon mission, the SSD is mature space technology, readily usable in other government and commercial programs IT Press Tour 2023

Skycorp Video IT Press Tour 2023

THANK YOU! IT Press Tour 2023