1. CONFIDENTIAL Mellanox Technologies, Ltd. Corporate Overview Q1, 2007

2. Mellanox Confidential 2 About Mellanox Technologies  Fabless semiconductor supplier founded in 1999 Business HQ in California Research & Development and Operations HQ in Israel Global sales offices and support  Leading high-performance connectivity products for servers, storage and embedded systems  $117M raised in IPO - February 2007 NASDAQ: MLNX Profitable since 2005  Shipped 1.7M+ 10 & 20Gb/s ports as of December 2006  IBTA and OpenFabrics Industry Leadership

3. Mellanox Confidential 3 Interconnect: A Competitive Advantage Enterprise Data Centers High-Performance Computing Embedded End-Users  Clustered Database  Customer Relationship Management  eCommerce and Retail  Financial  Web Services  Biosciences and Geosciences  Computer Automated Engineering  Digital Content Creation  Electronic Design Automation  Government and Defense  Communications  Computing and Storage Aggregation  Industrial  Medical  Military InfiniBand and Ethernet Servers And Blades Embedded Switches Storage

4. Mellanox Confidential 4 Enterprise Data Centers Embedded Leading Customers / Growing Markets Software PartnersHardware OEMs Embedded Servers Storage COMPUTERS Switches End-Users High-Performance Computing

5. Mellanox Confidential 5 Comprehensive Solutions  Adapter ICs  Adapter Cards  Switch ICs  Reference Designs  Software  End-to-End Validation Blade/Rack Servers Storage Switch SWITCH ADAPTER

6. Mellanox Confidential 6 Product Roadmap 20002003200420052006200720012002 40Gb/s Total 160Gb/s Total 40Gb/s Total 480, 960Gb/s Total 40, 80Gb/s Total 20, 40Gb/s Total 1 st Gen. 2 nd Generation 3 rd Generation 4 th Generation Adapter Adapter + Switch Switch Gen2 Adapter Two 10/20/40 Gb/s IB or Two 1/10Gb/s Ethernet

7. Mellanox Confidential 7 Powerful Trends Drive Large Markets Clustering and Blades Consolidation Multi-Core CPUs VirtualizationLow-Latency

8. Mellanox Confidential 8 Addressing Large and Growing Markets Source: and 17.0M ports 2006 Storage 2.6M Storage 4.7M Servers 11.8M Servers 7.7M 10.6M ports 2010 Overall:13% CAGR Servers: 11% CAGR Storage: 16% CAGR Embedded: 14% CAGR Embedded 0.5M Embedded 0.3M

9. Mellanox Confidential 9 InfiniBand Leadership  Industry-Standard Established software ecosystem Wide range of system solutions  Price / Performance / Power 20Gb/s node-to-node (40Gb/s in 2008) 60Gb/s switch-to-switch (120Gb/s in 2008) → 1us application latency Lowest power per Gb/s bandwidth  Reliable HW reliability and congestion management  Efficient RDMA and Transport Offload CPU focuses on application processing  Scalable Tens-of-thousands of nodes  Service Oriented I/O Security and Quality-of-Service Virtualization I/O consolidation including storage HW protection and isolation Switch-to-Switch Node-to-Node 8Gb/s FC 10Gb/s Ethernet 20042005200620072008 30 40 120 110 100 90 80 70 60 50 10 20 Gigabits per second Performance Roadmap 60Gb/s 20Gb/s

10. Mellanox Confidential 10 InfiniBand Leads Price/Performance Adapter Price Switch Price/Port Total Price Price per Gb/s 20Gb/s InfiniBand Dual port $690$369$1,059$66 10 Gigabit Ethernet Single port $945$598$1,543$154 4Gb Fibre Channel Single port $820$590$1,410$352 Gigabit Ethernet Single port $100$120$220 All prices are fixed format, stand-alone products All prices from CDW, March 07, except: 10GigE switch price from announced OEM product at 30% discount 4Gb Fibre Channel Switch price from Tolly report Additional information available upon request *All prices are end-user, single unit pricesInfiniBand Dual-port adapters include high availability option at no extra cost !

11. Mellanox Confidential 11 Data Center Resource Optimization  IB delivers 2.5X Price/Performance Advantage 35% Price advantage vs. GigE 62% Performance Improvement vs. GigE World Record TPC-H benchmark with IB storage  IB advantages for virtualization Reduce I/O Infrastructure cost 60% vs. GigE and FC Reduce I/O Infrastructure power 27% vs. GigE and FC  IB used to connect mission-critical global risk management systems 15% to 70% increased hardware utilization Reduced TCO by $10M/year Source: May, 2006 Source:

12. Mellanox Confidential 12 Mellanox Superior Application Performance Market SegmentApplicationPerformance Advantage Automotive LSTC LS-DYNA 26% better than QLogic 85% better than Myrinet 115% better than GigE ESI PAM-CRASH 300% better than GigE Oil and Gas Schlumberger Eclipse 55% better than Myrinet Fluid Dynamics Fluent 145%-1400% better than GigE 15% better than QLogic Exa PowerFLOW 24% better than Myrinet CD-adapco STAR CD 29% better than Myrinet Digital Media Autodesk 470% better than GigE Financial Wombat 120% better than GigE Database Oracle 62% better than GigE ** Partial List ** Platforms may vary, contact Mellanox for details

13. Mellanox Confidential 13 Escalating Computing Needs  Computing market growth and increasing number of ports  Diverse set of applications Research, HPC, financial, semiconductor, retail, utility computing  First Petaflop cluster expected in 2007-2008 Total # of CPUs in the Top500 (000s) Total Performance of the Top500 (TFlops) 2000-2006 CAGR = 40% 2000-2006 CAGR = 85% Source:

14. Mellanox Confidential 14 (16%) InfiniBand Momentum / Ethernet Ubiquity  Trends from Top500 propagate to enterprise markets  InfiniBand is the only growing high speed interconnect  Majority of the largest supercomputers utilize InfiniBand  InfiniBand is the leading interconnect in the top 250 supercomputers Source: 6/0511/056/0611/066/0511/056/0611/066/0511/056/0611/06 Number of Clusters in Top500 Number of Clusters in Top250 (10%) 105% (48%) 6/0511/056/0611/066/0511/056/0611/066/0511/056/0611/06 (24%) 169%

15. Mellanox Confidential 15 Reliable Power Price Connectivity Requirements Scalable Efficient Performance Industry Standard Convergence on InfiniBand and Ethernet InfiniBandEthernet Reliable Power Price Fibre ChannelProprietary Connectivity Requirements Scalable Efficient Performance Industry Standard

16. Mellanox Confidential 16 InfiniBand and Ethernet Expansion Current Architecture iSCSI Storage Ethernet Switch Fibre Channel Switch Ethernet InfiniBand Fibre Channel Storage InfiniBand Switch InfiniBand Storage iSCSI Storage Converged Architecture with ConnectX – I/O Consolidation InfiniBand Storage InfiniBand or Ethernet Low Cost Bridge InfiniBand or Ethernet Fibre Channel Fibre Channel Storage

17. Mellanox Confidential 17 The Management Team NameTitleExperience Eyal WaldmanCEO, President & Chairman of the Board Michael GrayCFO Roni AshuriVP Engineering Shai CohenVP Operations & Engineering Michael KaganVP Architecture Thad OmuraVP Product Marketing Dave ShefflerVP Worldwide Sales ASK Computer Systems

18. Mellanox Confidential 18 Strong Revenue Growth Historical Annual Revenues ($M) $48.5 $42.1 $20.3 $10.2 $4.0 $1.7 200120022003200420052006

19. Mellanox Confidential 19 Mellanox Differentiators  Expert Design Advanced architecture and proven mixed-signal technology  Solid Execution and Product Quality Silicon, Software, and Systems Proven high-volume manufacturing capabilities  Well Established Relationships Leading Server, Storage, Communications Infrastructure Equipment and Embedded System OEM customers ISV Partners and 3 rd Party Hardware Vendors Direct interface to end-user customers  Experienced Team Technical, Business and Management

20. Mellanox Confidential 20 Summary  Leader in silicon-based, high-performance connectivity solutions  Market-wide adoption of InfiniBand Servers/blades, storage and switch systems Data Centers, High-Performance Computing, Embedded Performance, Price, Power, Reliable, Efficient, Scalable  4 th Generation adapter extends connectivity to InfiniBand and Ethernet Market leading performance, capabilities and flexibility  Driving key trends in the market Clustering/blades, low-latency, I/O consolidation, multi-core CPUs and virtualization

21. Mellanox Confidential 21 Thank You 21