February 2, 2000

Professional Professional DC Electric Powered DC Electric Powered Lawn Care ProductsLawn Care Products

By:By:

Larry WillLarry Will

Vice President EngineeringVice President Engineering

Echo Inc.Echo Inc.For:For:

ARB Off-Road Mobile Source ARB Off-Road Mobile Source

Technology ReviewTechnology Review

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February 2, 2000

Design RequirementsDesign Requirements

SafeSafe Zero EmissionsZero Emissions Quiet Quiet ProfessionalProfessional Durable Durable Portable Portable AdaptableAdaptable

ComfortableComfortable Light WeightLight Weight PowerfulPowerful Long Running per Long Running per

ChargeCharge Variable SpeedVariable Speed Cost EffectiveCost Effective

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February 2, 2000

Computer Controlled NiMH Cartridge Battery

Left or Right Hand Application

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February 2, 2000

Comfortable Carrying Frame

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February 2, 2000

Weight Carried on Hips

Shoulder Straps for Stability

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February 2, 2000

Flexible Power Cable

Open Space for Comfort

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February 2, 2000

Hand Held Blower

56 dB(A) per ANSI B 175.2

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February 2, 2000

Stick Tool Power Head

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February 2, 2000

Hedge Clipper Power

Pruner

String Trimmer Articulating

Hedge Clipper

Stick Edger

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February 2, 2000 ®

Pro Attachment Series (PAS)

Dethatcher Hedge Clipper Power Pruner String Trimmer Broom Tiller Edger

February 2, 2000

Conventional Type Hedge Clipper

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February 2, 2000

Status of DevelopmentStatus of Development

Preliminary testing completePreliminary testing complete Second generation prototype completeSecond generation prototype complete Temporary tooling complete Temporary tooling complete Market research study completeMarket research study complete Not released for productionNot released for production No production tooling No production tooling

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February 2, 2000

Challenges and ConcernsChallenges and Concerns

No clear path to market identifiedNo clear path to market identified Battery cost too highBattery cost too high High tooling cost, small market sizeHigh tooling cost, small market size Poor return on investmentPoor return on investment

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February 2, 2000

Echo Incorporated

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