March 18, 2009
WESCO International, Inc. B. Riley 10th Annual Las Vegas Investor Conference
Presenting:
John J. EngelSenior Vice President, Chief Operating Officer
Daniel A. BrailerVice President, Treasurer
Note: All statements made herein that are not historical facts should be considered as “forward-
looking statements” within the meaning of the Private Securities Litigation Act of 1995. Such
statements involve known and unknown risks, uncertainties and other factors that may cause
actual results to differ materially. Such risks, uncertainties and other factors include, but are not
limited to, debt level, changes in general economic conditions, fluctuations in interest rates,
increases in raw materials and labor costs, levels of competition and other factors described in
detail in Form 10-K for WESCO International, Inc. for the year ended December 31, 2007 and
any subsequent filings with the Securities & Exchange Commission. Any numerical or other
representations in this presentation do not represent guidance by management and should not
be construed as such.
Safe Harbor Statement
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WESCO Profile
…with industry-leading positions
Fortune 500 Company headquartered in Pittsburgh, PAOver 7,000 employees including 2,700 outside and inside sales personnelConsistent growth strategy of:
– Local market penetration with coordinated national programs
– Accretive acquisitions– Operational excellence and enterprise-
wide LEAN initiatives
Leading Market Positions:– National Account programs– Integrated Supply Services– OEM Direct materials– Electric Utility Distribution Grid
Low cost operatorInternational operations and global sourcing capabilitiesNorth American Branch Network
Market LeaderExtra-Effort Company
1922192219941994
19981998 19991999 20042004 20072006
Founded as the distribution arm of
Westinghouse Electric Corporation
Leveraged buyout by management and
Clayton, Dubilier & Rice
Leveraged recapitalization by the Cypress Group
Listed on the New York Stock Exchange
LEAN
Integrated Supply
Capital Structure Improvements
Organic Sales Growthand Acquisitions
National Accounts Program
Acquisition Program
Record Financial
Performance
2008
Sales force expansion
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WESCO- A strategic supply chain solutions provider
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Providing Broad Solutions To Large & Sophisticated
CustomersMultiple products and services
Broad geographic coverage
Deep penetration into customer processes
Difficult to disintermediate
WESCO - Serving large, fragmented markets
Electrical is $95 Billion Subset
MRO Market $400 BillionSignificant Opportunities in Large Markets
Fragmented Supply Chain
Attractive Historical Growth
Thousands of electrical and industrial products manufacturers
Over 10,000 electrical and industrial distributors
Top five distributors – 26% share of electrical distribution industry
75% + of electrical products get to market through distribution
Continuing industry consolidation
$600 Billion Total
Addressable
Construction, MRO and
OEM Markets
5 5-6 % Growth (GDP + 2-3%) for over 20 years
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Major End MarketsEnd Market 2008 End Market Composition Key Market Drivers / Indicators Competitive Differentiators
Industrial 39%
National AccountsOEMIntegrated SupplyGeneral Industry
Capacity UtilizationIndustrial ProductionManufacturing EmploymentISM Purchasing Managers’ Index
Blue Chip Customers
National Accounts
Integrated Supply
OEM Direct Material Network
Product Breadth
Utility Programs
Global Capabilities
400 Branch Footprint
Low Cost Model
Integrated IT Platform
LEAN Initiatives
Construction 39%
Non-ResidentialData CommunicationsPre-Fabricated StructuresResidential
Construction starts/square footageRenovationsArchitecture Billings IndexMcGraw Hill / Reed / US Census
Utility 16%
Investor Owned UtilitiesPublic PowerUtility Contractors
New starts / installed metersT&D line extensionT&D grid maintenanceGeneration MRO, upgrades, expansions
CIG 6%
Government EducationHealthcare
Projects and macro spendGovernment spending in technology and renovation
Industrial Construction Utility
WESCO’s Product Mix and Leading Suppliers
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Leading Suppliers
ABB Belden
Burndy Comm Scope
Cooper Eaton
General Cable Hubbell
Legrand Lithonia
Okonite Panduit
Phillips Rockwell
Southwire Thomas & Betts
Double-Digit Growth Over Past 5 Years
– Fortune 100 Focus– Outsourced MRO Procurement
Functions– Integrating Supply Chain
Processes
10% CAGR Over Past 7 Years
– Fortune 1000 Companies with Multiple Sites
– Coordinated MRO and Project Procurement Activities
– Single Contract; Standardized Purchasing and Pricing
Local Market Growth Rate
– More than 400 Full Service Branches
– Multiple Market Segments– Over 110,000 Customers
Integrated SupplyNational Accounts Program
Extensive Local Market Penetration
…high barriers to entry
WESCO’s Organic Growth Business Model
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Acquisitions Since June 2005
Driving Growth Faster Than The Market- Acquisitions supplement organic growth, profitability & diversification
Annual Sales When Acquired
End Market Rationale
Communication Supply $630 DataCom National leadership platform
Carlton Bates $300 Industrial OEM Diversify industrial base into electronic and value added assemblies
Fastec / J-Mark $95 Manufactured Structures Consolidate leadership position; Asian sourcing
Monti Electric $20 Commercial Construction
Participate in rebuild of gulf coast region
Cascade $11 Industrial OEM Strengthen industrial automation and control
AA-Electric $20 Industrial OEM Geographic expansion
End Market Momentum
End Market Q4 2008 Sales Growth Comments
WESCO Consolidated - 2%• Sequential gross margin expansion• Cost reduction actions taken/being taken• Strong free cash flow and capital structure
Industrial - 3%• National Accounts and Integrated Supply sales up 2%• National Accounts opportunity pipeline at record level• High renewal rate continues
Construction/CIG - 5%• Backlog flat from 2007 year-end• Seeing increased delays with some cancellations• Economists forecast 10-15% decline
Data Communications - 2%
• Growth in government and enterprise customers• Low voltage, A/V and industrial wire markets down• Seven new markets entered; co-located in existing
branches
Utility + 7% • Sales to investor owned utilities up double digits• Public power market flat, contractor market down
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$1.4
$1.6
$1.8
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WESCO’s Focus on Value Drivers…yields superior results
Quarterly Sales Growth($ Billions)
$6.1 BillionSales
Earnings Per Share
Increasing Free Cash Flow($ Millions)
(1) Cash from operating activities – CAPEX/shares outstanding(2) Tax Adjusted EBIT / Total Debt + Equity
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ROIC(2)
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Capital Structure
Fourth Quarter 2008 Key Financial MetricsLiquidity $382 millionFinancial Leverage 3.1xInterest Coverage 7.4xFixed Rate/ Total Debt 57%Weighted Interest Rate 3%
($Millions)Outstanding at
December 31, 2008 MaturityAR Securitization $295 2010Inventory Revolver $198 2013Real Estate Mortgage $42 2013High Yield Bonds $150 2017Convertible Bonds $450 2025 / 2026Other $6 N/A
Total Debt $1,141
WESCO – A Solid Foundation
…bigger, more diversified, more profitable with a stronger capital structure
2008 2001 - 2003 (Average)
Better End Market Diversification Industrial 40% Industrial 42%Construction 25% Construction 37%Data Communications 13% Utility 15%Utility 16% CIG 6%CIG 6%
Improved Operating Margins 5.7% 2.5%
Seven Accretive Acquisitions $1+ B Sales N/A$1.00 + EPS
LEAN - Continuous Improvement Launched Spring 2003 N/A
Experienced Management Team Improved Good
Excellent IT System Capabilities Enhanced Good
Solid Capital Structure 3.1x 5.5x Leverage
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How is WESCO different from the last downturn?
Deliver organic sales performance greater than the industry supplemented with accretive acquisitions
Protect operating margins
Provide superior return on invested capital
Manage financial leverage
Financial Objectives
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Market leader with low business risk profile
Organic sales growth faster than market
Proven business model uniquely positioned in large, fragmented growth market
Solid ROIC performance
Proven acquirer
Low cost operator with LEAN mentality
Invest in WESCO
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