Investor Presentation

Mellanox Corporate Update Unleashing the Power of Data April 2020

Security Internet Enterprise of Things

Storage AI & Machine Business Learning Intelligence

. Fraud Detection . Credit/Risk Analysis Finance, Fraud & Insurance . High Frequency Trading . Image Tagging . Speech Recognition Cloud, Web, Mobile, Retail . Sentiment Analysis . Self Driving . Image / Facial Recognition Automotive & Transportation . Logistics & Mapping . Drug Discovery . Diagnostic Assistance Medicine & Genomics . Cancer Cell Detection . Surveillance . Image Analysis Security & Safety . Facial Recognition and Detection . Seismic Imaging . Reservoir Characterization Oil & Gas . Subsurface Fault Detection

Higher Data Speeds

Software Programmable I/O Processing Faster Data Processing SmartNICs Units (IPU) Better Data Security

Cables & SmartNICs Switches Transceivers

5 of Top 6 Global Banks 9 of Top 10 Hyperscale Companies 9 of the Top 10 Oil and Gas Companies 3 of Top 5 Pharmaceutical Companies 10 of Top 10 Automotive Manufacturers

Tier-1 Trading Reduction Institution 10X Of Latency Tier-1 Fortune100 Reduction in Database Web 2.0 Company 97% Recovery Time Military Higher Performance While Reducing Systems 4X System Footprint by 50% Yosemite Platform with Multi-Host Technology Lowers Total Cost of Ownership

Concurrent Streams From a Single Server 100K For the Highest Quality Viewing Experience

OCP Big Sur Artificial Intelligence Platform

Real Time Fraud Detection

Machine Learning System with 400Gb/s

18X Speedup For Image Recognition

4X Speedup For Image Recognition

Data Analytics Image Recognition

InfiniBand Accelerates the Fastest HPC and AI Supercomputer in the World (TOP500) InfiniBand InfiniBand Accelerates Six of the Top Ten Supercomputers in the World, Leadership Including the Top Three, and Four of the Top Five on November’s TOP500 Mellanox InfiniBand and Ethernet Solutions Connect 297 Systems or 59% of Overall TOP500 Platforms, Demonstrating 12% Growth Year over Year (Nov’18-Nov’19) HDR 200G 200G HDR InfiniBand Accelerates 31% of New InfiniBand Systems on InfiniBand November’s TOP500, Including Fastest 2019-Built TOP500 Supercomputer Ethernet Mellanox 25 Gigabit and Faster Ethernet Solutions Connect 60% of Total Leadership Ethernet Systems, Representing 20% Growth Year over Year

Source: Top500.org

SMB Direct

Software-Defined Network Intelligence

Performance Efficiency Scalability

Highest Performance 100Gb/s, 200Gb/s and 400Gb/s Interconnect Solutions

IPU & NPU

Metro / WAN

Switches/Gateways

SmartNICs/Adapters

ICs

Cables/Modules

Virtual Protocol Switch / Virtual Protocol Interconnect Gateway Interconnect

10/25/40/50/ 10/25/40/50/ Storage Server / 100/200/400GbE 100/200/400GbE Front / Compute Back-End 56/100/200G 56/100/200G InfiniBand InfiniBand

200Gb/s, 0.6us Latency 215 Million Messages per Second Adapters (10 / 25 / 40 / 50 / 56 / 100 / 200Gb/s)

40 HDR (200Gb/s) Ports 80 HDR100 (100Gb/s) Ports Switch 16Tb/s Throughput, 15.6 Billion msg/sec

16 400GbE Ports, 32 200GbE Ports 64 100GbE Ports, 128 25/50GbE Ports Switch Throughput of 6.4Tb/s

IPU and SmartNIC Programmable adapter I/O Processing Unit Smart Offloads

Transceivers Active Optical and Copper Cables Interconnect (10 / 25 / 40 / 50 / 56 / 100 / 200 / 400Gb/s)

Storage Self-Driving Vehicles Database

Machine Healthcare Embedded Learning Appliances High Performance Computing

Retail

Internet Internet

5% 200G 100G 8% $0.7B 7% $1.7B 10G 50G 10G 24% 43% 57% 76% 100G Of Total 40G Of Total Market Market 33% 13% 25G 25G 18% 50G 20% 10GbE 25GbE 40GbE 50GbE 100GbE 200GbE 14% 43% 76% of total market → 40G Source: Crehan Long-range Forecast - Server-Class Adapter-LOM-Controller, January 2019 1% TAM: Total Available Market © 2020 Mellanox Technologies 18 Spectrum Delivers Highest Data Center ROI

10, 25, 40, 50, 100, 200 and 400 Gigabit Flexibility Speeds, Variety of Port Configurations 10X Better Scalability, Optimized Data Center Scalability Utilization and End-User Experience Programmable Flexible Parser and Packet Programmability Modifier, Support User-Defined Protocols 1.3X Lower Power Consumption TCO Versus Competition 1.4X Lower Latency Versus Competition, Enable Performance Real-Time Data Analysis and Insights Open Ethernet

© 2020 Mellanox Technologies 19 BlueField-2 IPU Driving Future Growth . The New Generation of I/O Processing Units for Compute and Storage . Platforms Broad Base of Customers Using ConnectX Can Seamlessly Transition to BlueField

Data Center Infrastructure On a Single Chip, BlueField combines: Security Protection . Market Leading ConnectX Adapter Technology . ARM v8 Multicore Processors . DDR4 DRAM Controller Enabling NVMe-over-Fabric . Storage Storage Platforms PCIe Gen-4 Switch DDR4 BlueField-2 RAM The Most Efficient Machine ARM Cores Machine Learning Learning Systems VPI (Ethernet/ InfiniBand) Higher Performance & Accelerators NFV Flexibility at Lower Cost PCIe Gen4

Open X86 GPU ARM FPGA POWER

Highest Performance and Scalability for Intel, AMD, IBM Power, NVIDIA, Arm and FPGA-based Compute and Storage Platforms at 10, 20, 25, 40, 50, 100, 200 and 400Gb/s Speeds

© 2020 Mellanox Technologies 21 Mellanox Has A Long Track Record Of Delivering Breakthrough Technology As Bandwidth Goes Up, Mellanox’s Competitive Advantage 200/400Gbps From its Leading Offload Engine Capability Increases Leading Edge Products Across Technology Generations

■ #1 in InfiniBand since 2004 100Gb/s ■ #1 in Ethernet NIC* since 2016 / 2017 ■ #2 in Ethernet Switch Silicon since 2017 56Gb/s

40Gb/s . RXP: Regular expression 20Gb/s . Processing acceleration engine 10Gb/s . Network Intelligence . Optics . Silicon . Optics . Software . Software photonics . Software . Cyber Security . Cables . Cables . Cables . Optical . Cables . High Speed Search Interconnect . Big Data . Systems . Systems . Systems . Systems Technology . Systems . Boards . Boards . Boards . Boards . Boards . Boards . SmartNIC . Silicon . Silicon . Silicon . Silicon . Silicon . Silicon . Artificial Intelligence 2001 2004 2008 2011 2013 2018 2020

$4.7 Mellanox’s strong product cycles and share $13.2 $2.8 gain momentum should $2.6 allow the Company to $2.3 grow substantially above Segment ’17 – ’21 CAGR the market at rates of Cables (10G+) 16% $9.0 mid-double digits or Multicore Processors 6% $6.8 higher. Switch (10G+) 7% Adapter (10G+) 12% $2.5 Source: Crehan Research, Linley Group, LightCounting $1.6 Note: Market segments may not sum to total due to rounding Total 9%

25G+ Ethernet Adapter Market Waves

Each Transition to Faster $2,000M

Ethernet Adapter Speeds $1,800M

Represent a $1,600M Multi-Year Growth Wave for Mellanox $1,400M $1,200M 200G (10G25G50G100G…) 100G $1,000M 50G $800M 40G 25G $600M

$400M

$200M

$0M 2018 2019 2020 2021 2022 2023

Source: Crehan Long-range Forecast – Ethernet Adapter forecast, January 2019 © 2020 Mellanox Technologies 24 Positioned for Significant Growth in High-Speed SmartNICs ■ First to Market with 25/40/50/100/200 Gb/s Ethernet Adapters ■ Broad and expanding portfolio of offload engines creates a competitive advantage - lowers TCO, improves operational efficiency Mellanox Is the Market Leader in 25G+ Ethernet Adapter Market Is 25G+ Ethernet Adapters1 Growing Rapidly2 Broadcom 10%

Intel 13% $1.7B

Mellanox 65% Others 12% $679M

Source: 1Crehan Quarterly Market Share Server-Class Adapter-LOM-Controller 3Q 2019 25, 40, 50, 100 and 200 Gb/s Adapter 2Crehan Long-range Forecast - Server-Class Adapter-LOM-Controller, January 2019 2019 2023 © 2020 Mellanox Technologies 25 Broad Data Center Portfolio Mellanox Now Has a Leading InfiniBand and Ethernet Product Portfolio Targeting the Data Center

High End High End Cables and InfiniBand Smart NIC Ethernet NIC Ethernet Switch Transceivers

New #1 #1 #2 Rapid Leading Since 2004 Since 2016 Since 2017 Share Gains Technology

Source: Crehan Research, Mellanox internal estimates

■ Exponential growth of data creating significant opportunities for Mellanox ($19B TAM) ■ Leading interconnect solutions supplier, offering technology that is critical to data center performance at the highest ROI ■ Diversified business with comprehensive end-to-end Ethernet, InfiniBand and multi-core processor product portfolio ■ Leading the transition to Exascale computing; first to market with 200G HDR InfiniBand with 400G NDR under development ■ Benefiting from multi-year growth opportunities driven by the transition to 25G+ Ethernet technology