A Partner … Not Just a SupplierA Partner … Not Just a Supplier

Corporate Corporate PresentationPresentation

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Mylex CorporationMylex Corporation

Our history

Our market position

Industry and customer feedback

The Mylex advantage

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Corporate SummaryCorporate Summary

Founded in 1983

Headquarters in Fremont, California

Publicly traded on NASDAQ as MYLX

Shipped over 825,000 RAID controllers to date

$123.6M in revenue in 1997

Market cap of approx. $200M

350 employees

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World’s #1 Non-Captive RAID SupplierWorld’s #1 Non-Captive RAID Supplier

International Data Corporation (IDC): 1998 Worldwide Server Internal RAID Controller Market Forecast and Review.

October, 1998

Dataquest/Gartner Server Storage and RAID OEM Dynamics September 1998

Disk/Trend: Disk Drive Arrays Report November 1998

Disk/Trend: Disk Drive Arrays Report November 1997

Disk/Trend: Disk Drive Arrays Report November 1996

Disk/Trend: Disk Drive Arrays Report November 1995

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Industry AccoladesIndustry Accolades

Mylex DAC960PJ - Unix Review’s Performance Computing 1998 Outstanding Product Award

“Leverage the Mylex reputation as a company that specializes only in RAID solutions and is relied upon by some of the top-tier OEMs in the country.” Ted Wilson, Selling Windows NT Solutions

Nominated for Contingency Planning & Management -- “Hall Of Fame”

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The Mylex MissionThe Mylex Mission

To be the dominant

supplier of intelligent

products for moving,

storing, protecting

and managing data

RAID ASICs

Cost Effective PCI RAID

High-Performance PCI RAID

External RAID Controllers

System Board RAID

RAID Management Software

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Product strength, depth and breadthProduct strength, depth and breadth

Cost Effective PCI RAID Solutions for: Entry Level Servers PC-based Workstations High-end Desktop Systems

High Performance PCI RAID Solutions for: Mid-range Servers High-end Servers

External RAID Solutions for: Enterprise Class Servers Clustering and High Data Availability

Applications Storage Area Networks

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Management TeamManagement Team

Al MontrossPresident/CEO

Bal SinghVP Operations

Colleen M. GrayCFO & VP Finance

Joseph A. SchmidtVP Human Resources

K.K. RaoSr.VP Engineering &

CTO

Ron von TrappVP Worldwide

Sales & Marketing

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Mylex Development LocationsMylex Development Locations

Mylex HeadquartersFremont, CA

PCI RAID Controller DevelopmentI2O & OS Software / DriversManagement Application SoftwareASIC DevelopmentAdministration, Marketing, Sales,Operations, Service and Support

Mylex Advanced DevelopmentBoulder, CO

External RAID Controller DevelopmentRedundant Systems DesignFibre Channel Solutions

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Worldwide Sales & Field Support OfficesWorldwide Sales & Field Support Offices

USA (CA, GA, CO, MA)

United KingdomFranceGermanyJapanTaiwan

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World Record Setting Enterprise Class World Record Setting Enterprise Class Performance*Performance*

6 Processors- Pentium Pro (200MHz)

8 Processors - Pentium Pro (200MHz)

HP Mylex DACPJ 16,257 tpm

Mylex DACPJ

Mylex DACPJ

Mylex DACPJ

Mylex DACPJ

Mylex DACPJFujitsu 13,391 tpm

16,216 tpm

16,216 tpm

16,101 tpm

13,391 tpm

Bull

NEC

DG

NEC

Unisys

Fujitsu

*As of 8/98

4 Processors- Pentium® Xeon™ (400MHz)

NEC Mylex DACPJ 18,322 tpm

Mylex DACPJ 18,154 tpmUnisys

8/5/98 Express5800 HX4500 C/S

7/16/98 Aquanta QS/2 Server C/S

3/30/98 NetServer LXr Pro 8

3/25/98 Express5800 HV8000 C/S

3/18/98 Express5800 HV8000 C/S

3/2/98 AViiON AV 8600 Server

Mylex DACPJ 14,144 tpm3/18/98 Express5800 HX4500 C/S

Other 13,728 tpm4/10/98 Aquanta HS/6 Server C/S

2/5/98 GRANPOWER 5000 Model 670 C/S

2/5/98 teamserver M796i C/S

Unisys

Siemens

Mylex DACPJ

Mylex DACPJ

11/11/98 Aquanta QS/2 Server

9/28/98 Primary 870 with 7 Primary 460

18,707 tpm

18,528 tpm

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What the analysts say about MylexWhat the analysts say about Mylex

Strategic Research“Mylex’s AcceleRAID 150 is an important advancement in RAID solutions because it eliminates the economic barriers to widespread RAID deployment across the enterprise.”

Michael Petersen - President

Peripheral Concepts“Enterprise class servers continue to strive for higher data accessibility, and storage remains the most commonly cited weak link. With eXtremeRAID, Mylex reaches very high performance, combined with enterprise class availability and PC-class ease of installation.”

Farid Neema - President

Aberdeen Group“The DACFF RAID controller serves as an essential building block for clustering and Storage Area Network (SAN) environments. End-to-end Fibre Channel connectivity allows system architects to create extremely scalable, high-performance storage systems.”

David Hill - Senior Storage Industry Analyst

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What the industry leaders say about What the industry leaders say about MylexMylex

Microsoft Corporation"Windows NT Server Enterprise Edition is being used in more and more mission critical roles… Our mutual customer base will benefit from Mylex's technology and sophistication in this vital area of system engineering and performance optimization."

Edmund Muth - Group Product Manager

Intel Corporation"We are excited about the ability of Intel Architecture SHV Server customers to get greater functionality out of their on-board storage devices through the integration of Mylex AcceleRAID products. Hot-plug PCI, ECC and improved RAID management/expansion support, combined with low cost, position Mylex AcceleRAID products to meet the demands of today's SHV Server platform."

Jon Haas - Industry Marketing Manager, Enterprise Server Group

Intel Corporation"We have worked closely with Mylex for many years. . . The combination of the i960 with Mylex’s advanced Fibre Channel RAID technology makes this [the DACFL] an ideal solution for customers considering a move to clustering or Storage Area Networks.”

Wendy Vittori- General Manager, Connected PC Division

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What our customers say What our customers say

Fujitsu ICL Computers Ltd"We tested numerous RAID controllers, and the Mylex DACPJ allowed our server to achieve the highest possible performance. Because storage systems typically represent the principal performance bottleneck in data driven environments, it was important for us to partner with a RAID controller vendor who could deliver on our strict requirements for performance, reliability and quality engineering.” Paul Stow - General Manager, Servers

Data General"Mylex's technology has provided products that complement our objective to be a leader in the high-end NT and UNIX marketplaces. We are pleased to continue our relationship with an industry leader in host-based RAID technology." Jim Geronaitis - Manager, Storage Marketing

NEC“We have found that no other RAID controller can match the performance of the Mylex DAC960 PJ. We are committed to providing our customers superior performance, manageability, and flexibility, and the DAC960PJ fulfills these requirements ."

Shigeru Oshima - Senior Manager

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Technology ExpertiseTechnology Expertise #1 in TPC-C Performance #1 in TPC-C Price/Performance Advanced I/O Design

Ultra2 SCSI LVD Ultra3/160M SCSI Fibre Channel Fibre Channel 2

ASIC Development RAID co-processor with XOR and memory control SCSI I/O co-processor chips

Web and Java-based RAID management software Software drivers and utilities Firmware Development

RAID firmware for SCSI and Fibre Channel controllers I2O development

Systems Level Redundant designs Advanced Bus Architectures

64-bit/66MHz PCI PCI-X NGIO Future I/O (Under Investigation)

Mylex Leadership

1993

1995

1996

1994

1990

1989

1992

1991

1997

19981999

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Mylex Strategic RelationshipsMylex Strategic Relationships ISV & IHV Development

Partnerships Microsoft Intel SunSoft Novell JavaSoft

Disk Drive Manufacturer Alliances Seagate IBM Fujitsu Quantum

Industry Associations & Affiliations

Transaction Processing Council Storage Performance Council RAID Advisory Board Fibre Channel Loop Community SCSI Trade Association Storage Networking Industry

Association PCI Special Interest Group (SIG) I2O Mass Storage Working Group Various ANSI Standards

Committees Wired For Management SIG Desktop Management Task Force Common Information Model

SCO Netscape IBM (OS/2)Veritas

Western DigitalHitachi

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Mylex Customers: Market Leaders Mylex Customers: Market Leaders

Acer Amdahl Andataco Arrow ICP Artecon/Storage

Dimensions AT&T Auspex Bell Micro Compaq/DEC Data General Fujitsu Japan Fujitsu ICL Goldstar

Hitachi Ideal Hardware Infodip Ingram Micro Innoquest Intergraph Intel Lobster Computer Lucent Micron MTI NCR NEC Japan NEC Europe

nStor Octel Packard Bell/NEC Procom Technologies Samsung Seachange Sequent Siemens Nixdorf Solectron Tech-Data Toshiba Tulip Computers Unisys Wyle Labs Zenith

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Consistently first to market with new and innovative technologies

Grow with our customers as their preferred supplier by leading the industry in technology innovation and product quality

Provide unparalleled customer service, support, and personal integrity

Mylex Quality PolicyMylex Quality Policy

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Development & Process ControlDevelopment & Process Control

Formal Phase Review Process Predictable delivery schedules for new products

Documented Qualification & Test Procedures Improved design quality Faster time-to-market

Problem tracking and escalation Rapid response to customer issues

Engineering Customer Support Team Comprehensive Program Management Process

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Commitment to Customer Commitment to Customer QualityQuality

ISO9001 Certified

Shipping Commitments to All Customers Met 100% since December 1996

Field Applications Engineering Team Worldwide

Comprehensive Product Engineering Organization

Technical Support Group

Manufacturing Subcontractors All ISO9002 Certified

Customer and Supplier Satisfaction Indices

Quality Reporting Process

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The Mylex Competitive Benefits The Mylex Competitive Benefits

Industry proven RAID technology

World record-setting performance

Most advanced RAID and fault tolerant feature set

Product strength, depth, and breadth

Market leadership (technology & market share)

Established long term relationships and industry partnerships

Brand recognition as The RAID Company

Customer focus

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Development strategy based on customer requirements

Unmatched engineering, support, and operational strengths

Thorough understanding of real-world deployment of RAID technology in the Enterprise and in network environments

Common firmware and software base across the Mylex product line

The Mylex Competitive Benefits The Mylex Competitive Benefits

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Why Choose Mylex: Why Choose Mylex: A Partner... Not Just a SupplierA Partner... Not Just a Supplier

Single source for all RAID solutions

Dedicated to forming long term customer relationships

Future product & feature development based on customer strategies and time to market

Ease of doing business

Unmatched engineering and field support

Operational strength and quality