#1LONGİ LONGI Solar Technology Co., Ltd. www.longi.com 2022.12 LONGİ CUSTOMER DRIVEN VALUE CREATION FOR FULL SCENARIO ENERGY TRANSFORMATION The World Leading Solar Technology Company#2To make the best of solar energy to build a green world Persisting in Innovation and Value Creation LONGI leads the solar PV industry to new heights with product innovations and optimized LCOE with breakthrough monocrystalline technologies. LONGI is recognized as the world leading solar technology company with the highest market value. Innovation and sustainable development are two of LONGI's core values.#3Steadfast and Reliable 7 Each Milestone Has Become A Key Force to Promote the Development of the Industry 2000 2005 2014 2019 2020 2021 2022 STAGE 1 Semiconductor technology accumulation 2000 LONGI established 2005 Formation of annual production capacity of 30 tons silicon ingot STAGE 2 Technological revolution in monocrystalline silicon wafers 2012 A-share market listing 2014 World's No.1 in production of monocrystalline silicon wafer ⚫ RCZ Ingot pulling Diamond Wire Slicing Technology M1/M2 Silicon standard STAGE 3 Promoting monocrystalline to the mainstream 2015 Entered solar cell and modules market World's No.1 in shipment of monocrystalline modules 2018 The world's most valuable PV manufacturer ⚫ PERC ⚫LIR Technology • Bifacial Technology STAGE 4 Utilizing solar technology to change the earth 2019 Low carbon footprint certified by CERTISOLIS Set another standard for ultra high efficiency module ⚫ M6 Silicon Wafer Standard 2020 Set a new industry standard ⚫ M10 Silicon Wafer Standard Selected as sole photovoltaic sponsor for china pavilion at dubai expo 2020 Officially joined the Climate Group's RE100, EV100, EP100 initiatives to achieve carbon neutrality 2021 LONGi Hydrogen BU established LONGi set three world records n-type TOPCon Cell Efficiency p-type TOPCon Cell Efficiency ⚫n-type HJT Cell Efficiency STAGE 5 LONGI, solar for all 2022 LONGi set six world records ⚫HJT Cell Efficiency Indium-free HJT Cell Efficiency ⚫ p-type HJT Cell Efficiency ⚫HJT Silicon Cell Efficiency Y2021 Operating Income Net Profit R&D Investment Total Asset $12.694B $1.425B $689.1M *Notes: The financial figures are based on the exchange rate at the end of the reporting period. $15.329B Global Employees Technology Review 50000+ TR50 50 Smartest Companies in China 2019 福布斯2022 GLOBAL 2000 全球企业2000强 50 Smartest Companies in China 2019 Goldman NEW CHINA NIFTY 50 FORITNE Sachs JULO Forbes Global 2000 Fortune China 500 Goldman Sachs New China Nifty 50#405 06 58 Propelling the transformation The World Leading Mono Silicon Wafer Manufacturer Leading Capacity and Shipment Lijiang Baoshan / Qujing/ Chuxiong/Tengchong Yunnan Province Manufacturing Bases Warehouses Sales Networks Xi'an/Xianyang Shaanxi Province Quzhou Jiaxing Gonghe Zhejiang Province Qinghai Province LONGI Headquarter Xi'an, Shaanxi Province, China Yinchuan / Zhongning Ningxia Province Chuzhou Anhui Province Datong Taizhou Shanxi Province Jiangsu Province سے 0 1 70.01GW 105GW Wafer Shipment (2021) Wafer Capacity (2021) *LONGI took the industry lead in standardizing wafer size and achieving 100% diamond wire cutting of mono silicon wafer. 38.52 GW -> Module Shipment (2021) *In 2021, the company's global sales performance, market share and brand influence ranked it 1st in the world, with its total shipment volume of domestic and exported modules exceeding 2nd place by more than 10GW. Sydney, Australia 60GW 100GW+ Module Capacity (2021) Total Module Shipment São Paulo, Brazil Bắc Giang, Vietnam Hakata, Japan Tokyo, Japan Middle East Office Dubai, UAE India Office New Delhi, India Kuching Factory Marketing & Sales Center Kuching, Malaysia Shanghai, China Japan Office Tokyo, Japan Australia Office Sydney, Australia Carson City, U.S. Tracy, U.S. New Jersey, U.S. U.S. Office San Ramon, U.S. Germany Office Brazil Office Frankfurt, Germany São Paulo, Brazil#5280 07 08 Propelling the transformation LONGI has consistently maintained industry leading ability to mitigate risk and adapt to market changes and, as part of operations, the company prioritizes corporate financial health and stability, with its asset-liability ratio at a low level compared to other global PV manufacturers. TIER 1 Tier 1 PV Module Manufacturer *Source: BNEF 4Q 2022 Global PV Market Outlook We Embrace Innovations with Our Global Customers 100% 100% Bankable PV Module Brand *Source: BNEF PV Market Module & Inverter Bankability 2022 AAA PV Module Tech Bankability Rating *Source: PV Module Tech Bankability Quarterly Report Q4 2022 150+ Countries and Regions 5000+ Global Customers#6Technology Leadership LONGI Innovation: The Benchmark For The Entire Industry Monocrystalline Improved RCZ Diamond Wafer Cutting PERC High Efficiency Low Degradation Hi-MO 1 Bifacial PERC Significant Energy Yield Increase that Lowers LCOE Hi-MO 2 Half-cut Increasing Efficiency and Power Hi-MO 3 M6 Standard Wafer Global Bestseller, Full Replacement of M2 Module Hi-MO 4 M10 Ultimate Size Designed for PV Ultra-large Stations, Increasing Module Efficiency by Smart Soldering Hi-MO 5 LONGI Lifecycle Quality Product Lifecycle Quality Management High-efficiency HPBC Cell Technology Designed exclusively for Global DG Customers LONGI LIFECYCLE QUALITY Hi-MO 6 Continuous Technology Innovations on Open Platforms Market Share of Monocrystalline-Si Modules RCz PERC PERC ++ 18% 23% 27% M6 56% 68% M10 182 HPBC 100% 94% 98.5% 87% 0% 2015 2016 2017 2018 2019 2020 2021 2022E $689.1M 2021 R&D Investment 5.43% Proportion of Operating Income Invested in R&D#711 12 12 Customer Driven Value Creation Propelling the transformation Owner DG Distributor Reliable and Economical Green Power Stable and Attractive Long-term Investment Investor Low degradation Low frequency of operation and maintenance 25/30 years operation Long-term availability of parts Reliability Measure Reliable and Economical Throughout the Full Life Cycle LCOE Measurement System design & installation ROI BOS cost Power generation revenue Competitive Solar Products Better Products + Better Cost Profitability DG System Integrator#813 14 31 LONGI Module Design and Planning Production and Technology with Highest Customer Value High Optical Utilization Bifacial power generation Innovative optical structure interconnection materials Propelling the transformation Large-scale Application of Gallium-doped Silicon Wafers Leading the Efficiency Improvement of Mono PERC Cells Solve PERC LID Problem and Remove Application Barriers Low Degradation ⚫ LID, LETID ⚫ PID Verification of the Advantages of Mono PERC Modules Bifacial PERC and Module Design Bifacial Technology for Hi-MO Series Establish Guidance on Bifacial System Design Optimization Chain Guarantee Global Verification of Bifacial Energy Gain and Reliability Establishing Bifacial Module Bankability Large Scale Application of Half-cut Technology Reducing Hot Spot Temperature and Improving Energy Yield Smart Soldering Technology A Balanced Choice of Overall Efficiency, Cost, and Reliability Reasonable Electrical Design Design Consideration Stable Supply Current density and Glass, wire box open circuit voltage High Encapsulation Density High power, high efficiency Transportation Compatibility Handling, packaging and transportation Launch of 166mm Wafer Standard Support All Applications, the Best Size Selection of Existing Capacity Optimal Size Design -182mm Optimal Size with Systematic Consideration Optimal Large Size Module for Large Flat Terrain Power Station#915 16 LONGI Hi-MO Series Unlock More Application Scenarios Propelling the transformation Hi-MO 5 Delivering True Value ⚫ M10 wafer with gallium-doped technology ⚫ Half-cut cell with multi-busbars P-mono PERC cell technology Hi-MO 5m New Choice for Rooftop Solar System M10 gallium-doped wafer Compatible with most standard mounting systems Excellent energy generation under low light Hi-MO 6 High-efficiency HPBC Cell Technology M10 gallium-doped wafer Aesthetic Efficient ⚫ Reliable Intelligent Applications Residential C&I Suitable for Various Rooftops Maximize Installation Capacity Hi-MO 5m 54c Hi-MO 6 For Whole Scenarios Hi-MO 5m 54c Hi-MO 6 Ultra-large Power Plant Best LCOE Hi-MO 5#109001 ERP 2001 ECTS 62941 MES LONGI LIFECYCLE QUALITY . Product Quality and Performance Guarantee Design Established models of optics, electricity, mechanics and heat • Combines theories with experimental results and historical experience Comprehensive analysis of product value based on application scenarios Material Specific tests based on material properties Suppliers with high financial health ⚫ Thresher reliability test Plan ⚫ Product and Material Standard ⚫ Ensure the continuity of production and the versatility of materials Quality Management ISO 9001 IEC TS 6294 MES System ERP System . Reliability Tests Advanced lab recognized by the third party ⚫ Passed the internal thresher reliability test ⚫ Excellent performance in the test of third party organizations Manufacturing Highly automated production lines Quality assurance (Manufacturing bases, headquarters, marketing) Outdoor Power Generation ⚫ The power generation performance and reliability are verified by theory and demonstration ⚫ Joint demonstration with authoritative third party institutions and customers Professional Reliability Assessment Methods LONGi Standardized BOM Based on the research results of well-known research agencie standards and third-party institutions in the industry, LONGI has established a variety of differentiated reliability testing methods to evaluate product and material reliability more quickly and effectively. LONGI is committed to the standardization of materials. Materials meeting the high standards LONGI are unified as LONGi brand, which further improve the consistency of manufacturing process and product quality. . • Highly Accelerated Thermal Cycling (HATC) DH + UV Aging Glass Low-temperature Mechanical Load Performance Ribbon Cell اسيا EVA Back Sheet Frame Junction Box#1122 19 20 The Third-party Evaluation of Product Quality & Performance Efficiency Records and Awards TÜV Rheinland All Quality Matters TÜV Rheinland Precisely Right. RETC High Achiever for 4 Years LONGi is recognized as a 2022 Top Performer, gaining the High Achiever status in RETC (Renewable Energy Test Center)'s PV Module Index Report for the fourth consecutive year. Renewable Energy Test Center (RETC) is a leading engineering service and certification testing provider for photovoltaic & renewable energy, who broadly organize test protocols and reported data according to three interre- lated and essential disciplines: module quality, performance, and reliability. FV MODULE INDEX REPORT 2022 HIGH ACHIEVER Top Performer in PVEL's PV Module Reliability Scorecard 6 Times TOP RETC Propelling the transformation 2017, 2018, 2021, 2022 Energy Yield Simulation Winner 2019, 2020, 2021 "PV Module Outdoor Power Generation" Winner Excellent Performance in Energy Yield Test Conducted by pv magazine Monthly power generation of 2021.12-2022.9(Wh/Wp) Organized by the German-based pv magazine Group, in cooperation with CEA in the United States and GSolar in China, sampled by CEA. LONGI modules were ranked top in the outdoor category. IAM ■ Mono biPERC - TOPCon Mono PERC ■ Mono - Cast PERC Multi Low light power generation performance Power temperature coefficient Incident angle effect 100 105 110 115 120 125 130 135 • LONGI LR4-72HBD-445M LONGI LR6-72HBD-375M A/400Wp B/405Wp C/400Wp B/500Wp D/380Wp Reliability ⚫ DH2000 Test DMLTest PID-Free E/390Wp C/345Wp F/380Wp C/445Wp G/505Wp C/540Wp G/450Wp Reliability Indicators B/320Wp G/275Wp H/275Wp Performance Indicators Highest Achiever Quality Indicators Performance Module Efficiency .PTC-to-STC Ratio ⚫ PAN File ⚫LID LETID The Only Module Manufacturer Achieving '2021 Intersolar Award' Quality · Thresher Test (HF30, TC600, DH2000, DML, UVSoak) The annual Intersolar award is arguably the most authoritative solar photovoltaic award in Europe, based on only the most innovative and disruptive products and technologies in the industry over the year. In terms of impact and price assess- ment, the winners are all innovators, leading the development of the photovoltaic industry. PERFORMER 2022 PVEL PV MODULE RELIABILITY SCORECARD 600cycles + 2000hours + 192hours Thermal Cycling Damp Heat PID Test 1000cycles + 50cycles + 30cycles Dynamic Mechanical Load Thermal Cycling Humidity Freeze ⚫ The only module manufacturer achieving 'Intersolar award' Demonstration of LONGI's advanced technology and innovation solar PHOTOVOLTAICS VERY GOOD pv magazine test 2021 Intersolar Award Solar award 2021 WINNER LONGI SOLAR TECHNOLOGY HI-MO5 WINNER LONGI#1221 22 212 The Future of LONGI Sustainable Development Roadmap Using clean energy in manufacturing 2020 耐 Propelling the transformation Solar becomes the main electricity source for electric vehicles 2025 2030 2035 Solar + pumped-hydro energy storage, starts using solar in manufacturing Renewable energy accelerates the replacement of fossil energy With "Solar for Solar”, LONGI officially joined the Global Initiatives RE100, EV100, EP100, and will keep building towards achieving 100% in clean energy consumption. LONGI always had sustainable management as a core criteria for business decision-making, including continuous investments in innovation and research, advocating an open corporate culture and promoting scientific institutional research. At the same time, LONGI has been leading continuous changes in electric power and energy, promoting the sustainable development of the planet and mankind. It is LONGi's vision and roadmap that Earth will be completely green and self-sustainable in the first half of this century. Solar + desalinated seawater irrigates the deserts, creating oasis 2040 L RE100 EV100 EP100 ㄓㄓ H2 H2 2045 Solar + hydrogen energy, applied to the ocean and air transportation and reducing smelting 100% renewable energy. Earth enters a carbon-negative mode 2050 90