The World’s Highest

Performance Digital

Oscilloscopes

Company Overview

August 2011

Safe Harbor Statement

and Presentation of non-GAAP Financial Information

The information in this presentation contains forward-looking statements, including those relating to plans and expectations for LeCroy’s business. These forward-looking statements are based on management’s current expectations and beliefs, as well as a number of assumptions, estimates and projections concerning future events. These statements are subject to risks, uncertainties, assumptions and other important factors, many of which are outside management’s control, that could cause actual results to differ materially from the results discussed in the forward-looking statements.

You are cautioned not to put undue reliance on such forward-looking statements because actual results may vary materially from those expressed or implied. All forward-looking statements are based on information available to management on this date, and LeCroy assumes no obligation to, and expressly disclaims any obligation to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

The risks, uncertainties, assumptions and other important factors that could cause actual results to differ materially from the results discussed in the forward-looking statements are described in LeCroy’s reports on file with the Securities and Exchange Commission.

Presentation of non-GAAP Financial Information: This presentation contains both GAAP and non-GAAP financial information pertaining to actual results and estimates of future performance. Non-GAAP financial information excludes primarily non-cash charges for acquired in-process research and development, write-down of inventory, impairment of intangible asset, share-based compensation, incremental cost of sales related to fair-value adjustment to inventory, business realignment charges, including severance and impairment of goodwill. Non-GAAP financial information is indicated by an asterisk (*) where applicable and reconciliations of the non-GAAP information to GAAP information are included in the final slide of this presentation.

2 LeCroy Overview August 2011 2

Designed with Oscilloscopes…

3

Oscilloscopes are primary design

tools critical to the development of

virtually all electronic devices

LeCroy Overview August 2011

LeCroy Corporation (LCRY) HQ: Chestnut Ridge, NY

LeCroy Overview August 2011 4

* non-GAAP

Product: Digital Oscilloscopes The primary electronic circuit design tool. Used by engineers to validate100% of electronic circuit-board prototypes in the design phase.

Market: ~$1B/year ~10% growth ~35% Americas, ~35% Asia-Pacific, ~30% EMEA

Segments: Hi/Mid ~50%, Low ~50% Hi/Mid via direct sales; Low via 3rd party distributors

ASP: Hi~$80K, Mid~$25K, Low~3K Hi/Mid growth >15% due to new technology demands

Competitors: Danaher (DHR), Agilent (A) DHR + A = 70%, LCRY~15%, Others (10)~15%

LCRY Share: Hi/Mid ~25%, Low~5% LCRY: Sustainable Technology Lead in Hi/Mid LCRY: Opportunity to Increase Share in Low

LCRY Growth: 2 year CAGR = 27.5% 9 consecutive quarters of sequential growth

LCRY Sales: $178M Annual (Jun 2011) ~1/3 each Americas, Asia-Pacific, EMEA

LCRY Margin: ~16% Operating Margin* GM*~62%, R&D*~19%, SG&A*~27%

LCRY Users: No Customers >2% Computers/IT Makers, Consumer Electronics, Automotive Electronics, Telecom, Avionics

LCRY Staff: 494 employees Experienced Management Team. 7-member Exec Team formed in 2007; extensive industry experience

Connectivity Trends are Driving Oscilloscope Needs

Cloud Computing Mobile Devices

LeCroy Overview August 2011 5

Faster data-rates = faster signals

Need for faster scopes in mid market

Overloaded Digital Networks

Need for more Bandwidth in Hi-end

“Signal Integrity” Problems High-Speed Data Networks

Upgrade Cycle in

Midrange Oscilloscopes

New Buys for Hi-End

Oscilloscopes

LCRY Opportunities and Challenges

Accelerating demand for high-bandwidth oscilloscopes driven by

high-speed, next-generation data communication networks

Sustainable competitive advantage based on patented technology

Well established world-wide sales organization

Expanding operating margins and financial ratios

Successfully compete with much larger competitors

Unique technology advantages

Niche market segments

High degree of focus

LeCroy Overview August 2011 6

LeCroy Executive Management Team

Tom Reslewic, President and CEO (27)

Sean O’Connor, Vice President and CFO (5)

Dave Graef, Vice President and CTO (21)

Roberto Petrillo, Vice President WorldWide Sales (22)

Conrad Fernandes, Vice President Sales: Asia (27)

Corey Hirsch, Vice President and CIO (30)

Andy Schmit, Vice President Operations (5)

LeCroy Overview August 2011 7

(years industry experience)

LeCroy Customers: Electronic Design Engineers

Improving Productivity in Design Validation and Integration

LeCroy Overview August 2011 8

Connects to an electronic circuit via an electrical probe

Allows an Electrical Engineer to Visually Observe how his electronic circuit is behaving

Digital Oscilloscope

Protocol Analyzer

Intercepts Data Communications traffic from digital systems

Allows System Engineers to debug data-communications systems at the software level

Design

Simulate

Prototype

Produce

Test

LeCroy Products

High-Speed Data Transport Drives Our Business

LeCroy Overview August 2011 9

Digital Media Explosion Serial Data Standards

Complex Electrical Signals:

“Signal Integrity”

Complex Protocols:

“Message Integrity”

Standards Compliance

Oscilloscope Market: ~$1B

Demand Accelerating at the High-End of the Market

Hi-performance to 45GHz & $1M

Highest bandwidth needs

Direct sales force

High End

Up to 1GHz & $10K

Price/performance driven

Indirect distribution

Bench

Hi-performance 1-4GHz & $30K

Increasing bandwidth needs

Direct sales force

Lab

Less than $3K

Price driven

Indirect distribution

Economy

Hand-Held Sampling

Highest

Growth

Zone

LeCroy Overview August 2011 10

LeCroy Builds its Reputation at the High End Drives Profit in the Midrange, Builds User Base at Low End

High End

Bench Lab

Economy

LeCroy Overview August 2011 11

$2K

$5K

$17K $10K

$40K

$200K

0

5

10

15

20

25

30

35

40

45

50

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

LeCroy is the Performance Leader with the

Highest Bandwidth Oscilloscopes

Tektronix

Agilent

LeCroy

LeCroy Overview August 2011 12

Sustainable Competitive Advantage Digital Bandwidth Interleave (“DBI”) Multiplies Silicon Performance

20GHz

DC

DC

10GHz

10GHz BW

10GHz BW Input Signal

Scope Channel 1

Scope Channel 2

Re-combine

Signal

2 Channels @ 20GHz

20GHz DBI Scope

LeCroy DBI Technology

DC

10GHz

Split

Signal

Issued US patents 8

Issued foreign patents 2

Applications pending 4

Claims protecting the inventions >300

LeCroy Overview August 2011 13

New Hi-End and Midrange Products

Recently Launched Products Lead in All Performance Categories

Bench

Economy

LeCroy Overview August 2011 14

LabMaster Multi-Channel System

WaveMaster 845Zi 45GHz Oscilloscope

WaveRunner 6Zi 500MHz - 4GHz Oscilloscopes

Computers, IT and Consumer

Automotive and Industrial

Data Storage

Defense and Aerospace

Telecommunications

Other

Diverse Blue Chip Customer Base No Customer or Distributor greater than 2% of Sales

El Paso Natural Gas Co.

LeCroy Overview August 2011 15

Seasoned Direct & Indirect Sales Channels

84

Sales Engineer

Applications Engineer

Sales Manager

Sales Support

Service Engineers

US

Europe

Asia

Revenue Mix Sales Organization

LeCroy Overview August 2011 16

LeCroy FY11 Q4 Highlights

Record Orders of $49M

Record Sales of $47.5M

29% year-on-year Sales Growth

Record Operating Income* of 15.7%

Record EBITDA* of $9M

Net Debt ~$24M

Revenue Guidance for FY2012 ~ $195M to $200M

LeCroy Overview August 2011 17

Total Revenue: 9 Consecutive Qtrs. Of Sequential Growth

18

Millions

LeCroy Overview August 2011

$0

$5

$10

$15

$20

$25

$30

$35

$40

$45

$50

40.0%

45.0%

50.0%

55.0%

60.0%

65.0%

$0

$5

$10

$15

$20

$25

$30

$35

$40

$45

$50

Sales Gross Margins

Revenue and GM %: Solid near 62%

19

Millions

LeCroy Overview August 2011

Steady Improvement in run rate EBITDA

Millions

20 LeCroy Overview August 2011

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

Mar '09 Jun '09 Sep '09 Dec '09 Mar '10 Jun '10 Sep '10 Dec '10 Mar '11 Jun '11

Run-Rate EBITDA Net Debt

Target Business Model Accelerating Sales, Continuously Improving Operating Margins

LeCroy Overview August 2011 21

Non-GAAP

Sep '09 Dec '09 Mar '10 Jun '10 Sep '10 Dec '10 Mar ‘11 Jun ‘11 Target Model

Sales $M 28.0 31.0 33.6 36.7 39.1 45.0 46.5 47.5 15% Growth

GM* % 56.2% 58.8% 60.0% 59.8% 60.1% 61.7% 61.6% 62.1% 61%-63%

R&D* % 21.0% 21.2% 20.5% 20.7% 20.2% 19.6% 18.6% 19.0% 18%-19%

SG&A* % 29.5% 30.1% 30.9% 29.6% 28.9% 27.1% 27.4% 27.4% 25%-27%

EBIT* % 5.7% 7.5% 8.7% 9.7% 11.0% 15.0% 15.6% 15.7% 15%-18%

LCRY Opportunities and Challenges

Accelerating demand for high-bandwidth oscilloscopes driven by

high-speed, next-generation data communication networks

Sustainable competitive advantage based on patented technology

Well established world-wide sales organization

Expanding operating margins and financial ratios

Successfully compete with much larger competitors

Unique technology advantages

Niche market segments

High degree of focus

LeCroy Overview August 2011 22

The World’s Highest

Performance Digital

Oscilloscopes

Company Overview

August 2011