Investor Presentation Sidoti & Company March 3-4, 2011 Forward Looking Statements and Regulation FD .. Certain matters discussed in this presentation, including statements concerning expectations of Cohu’s future operating performance, are forward-looking statements that are subject to risks and uncertainties that could cause actual results to differ materially from those projected or forecasted. Such risks and uncertainties include, but are not limited to; our ability to convert new products under development into production on a timely basis, support product development and meet customer delivery and acceptance requirements for next generation equipment; inventory, goodwill, and other intangible asset write-downs, and customer orders may be cancelled or delayed. These and other risks are discussed more fully in Cohu’s filings with the Securities and Exchange Commission, including the most recently filed Form 10-K and Form 10-Q. Cohu assumes no obligation to update the information in this presentation. 03-03-11 Page 2 Cohu Investment Summary Market leader in semiconductor test handling equipment Rasco acquisition in December 2008 extends market leadership and expands TAM Key proprietary technology for temperature control: improves IC yield and ASPs Operating leverage: provides opportunity for significant growth in profits during upcycle Financial strength: strong, debt-free balance sheet New products: 3 new handlers to fuel market share growth 03-03-11 Page 3 Semiconductor Manufacturing Process The “Front-End” Final Manufacturing Processes The “Back-End” Wafer Fab Assembly Test Mark Inspection Cohu handlers, burn-in thermal subsystems and equipment are an essential part of the IC manufacturing process - used with ATE to cost-effectively test ICs for quality and functionality 03-03-11 Page 4 Ship Cohu’s Semiconductor Equipment Group COHU Global Leader in IC Test Handling A Cohu Company #1 in Logic Pick & Place Test Handlers 03-03-11 Page 5 MATRiX Pyramid X32 Tri-temp Next-Gen Thermal Handler #2 in Gravity-feed Test Handlers SO1000 X4 Tri-temp SO3000 Test on Strip Expanded TAM Rasco acquisition added gravity-feed and strip handlers Extends leadership in the test handler market Complementary products with no overlap Gravity-Feed is well-suited for handling small IC packages – critical to miniaturization of CE products Our products address 62% of the market Rasco sales and orders at record levels in 2010 Semiconductor Test Handler Market Source: VLSI Research, Inc. and Company estimates 03-03-11 Page 6 Leading Technologies Industry-leading Parallelism & Throughput Vision Alignment Lowers cost-of-test Enables accurate testing of small form factor IC packages – a fast growing market PRODUCTIVITY FLEXIBILITY Thermal Management Chamber-less Tri-Temperature Proprietary thermal technology increases accuracy and yields Allows on-line maintenance at temperature, reducing downtime Site B1 Site A1 X32 (X4 Chuck) 125°C Thermal Testing Site D1 140 Site C1 Site B2 130.0 Thermal response at 125W Site A2 Temp Rise Site D2 129.0 130 Site C2 Site B3 6.0°C 128.0 4.3°C 127.0 Site B4 126.0 Site D4 Site A3 Site D3 Site C3 Site A4 3.9°C 110 Temperature (°C) Temp (C) 120 3.4°C 100 2.6°C Site C4 Site A5 125.0 Site B5 Site C5 Site D5 124.0 Site A6 Site B6 123.0 Site C6 Site D6 90 - Tmin. = 123.4 °C - Tmax. = 127.9 °C - Temp. Range = 4.5°C - Sites A5 and A6 were not functioning, no temperature reading. 122.0 121.0 80 Site B7 Site C7 Site D7 Site A8 0 2 4 6 8 10 Time (sec) 03-03-11 Page 7 Site A7 12 14 16 18 20 120.0 00.00 Site B8 04.32 08.64 12.96 17.28 21.60 Time (s) 25.92 30.24 34.56 38.88 Site C8 Site D8 Proprietary Thermal Technology Solves a Growing Problem in IC Test Delta Design is the industry leader in high-power/DUT thermal management Enabling capability that optimizes speed grading, increasingly important for GPUs Latest technology incorporated in next-gen Pyramid thermal handler Fmax Uncertainty for MPUs 3.09 Freq. vs. Temp 2% / 10oC Typical 3.06 Max. Freq. - GHz 3.00 10oC Tj error Fmax Uncertainty 2.97 2.94 2.91 Core i5 2.8 Ghz $189 Core i5 3.3 Ghz $249 Source: 2.88 2.85 2.82 98 10 0 10 2 10 4 10 6 10 8 11 0 11 2 11 4 11 8 12 0 12 2 94 96 90 92 86 88 82 84 78 80 2.79 Tj Setpoint – deg. C 03-03-11 Page 8 Speed = $ 2oC Tj error Fmax Uncertainty 3.03 Computeredge.com (February 28, 2011) (+32%) Market Share Leadership IC Test Handlers COHU 24% (Primarily Logic) #1 Position Logic Pick & Place Handlers COHU (Delta Design) 48% COHU (Delta Design) 48% #1 Position Source: 2008 VLSI Research, Inc. and Company estimates 03-03-11 Page 9 Gravity Feed Handlers COHU (Rasco) 23% #2 Position Wide Customer Base Realizing cross-selling opportunities, resulting in market share gains 03-03-11 Page 10 Broad Product Portfolio New industry-leading systems in each product line Final and System Level IC Test Delta Design - Thermal Pick & Place Handlers 03-03-11 Page 11 Next Generation Pyramid Delta Design - High Speed Pick & Place Handlers Next Generation MATRiX Rasco - Gravity-feed & Strip Handlers Next Generation In Development 24/7 Global Customer Support Largest global sales and service network in the industry... Depth and Breadth is a Competitive Advantage KOLBERMOOR, DE Rasco Headquarters Burlington, VT Boise, ID Tyngsborough, MA UNITED KINGDOM Hillsboro, OR CHINA TAIWAN - Taipei - Tianjin - Shanghai - Suzhou - Chengdu - Kaohsiung - Hsinchu SOUTH KOREA - Seoul JAPAN - Tokyo San Jose, CA INDONESIA - Batam Long Island, NY POWAY, CA Delta Headquarters COSTA RICA PHILIPPINES THAILAND Chandler, AZ MALTA - - Bangkok MALAYSIA Houston, TX Austin, TX Dallas, TX - Kuala Lumpur Penang Malacca Kulim SINGAPORE Delta-Rasco Asia Headquarters 03-03-11 Page 12 Manila Baguio Cavite Laguna Tooling Design/Mfg Financial Update Poway, California Headquarters Strong Q4 Results Q4 2010 Highlights Sales grew 13% sequentially and 86% YoY to $96.9M, a Cohu record Non GAAP EPS $0.48 vs. $0.41 in Q3 and $0.11 in Q4 2009 Orders $75.8M, down 16% from Q3 Semi-equipment orders declined 9% sequentially to $67.1M Backlog of $99.6M $0.06 cash dividend (quarterly dividend since 1977) 03-03-11 Page 14 Semi/Semi Equipment Update Backend semi equipment have increased for the last two months “2010 will likely be the strongest year ever for the semiconductor equipment industry, which will be a nice rebound from the worst year ever, growth will continue through 2012 as companies move from technology buys to capacity purchases.” (Klaus Rinnen, Gartner) Book to Bill 2006 Source: SEMI 2011 03-03-11 Page 15 2007 2008 2009 Orders Millions 2010 2011 2006 2007 2008 2009 2010 2011 Multiple Business Drivers Broad-based demand for our handlers Production ramp of new thermal handler – Pyramid Capacity additions as IC unit volume increases Market share gains and sales synergies of expanded product line Sales Millions $M $100 $90 Q4 Guidance $80 $70 $60 $50 $40 $30 $20 $10 $0 Q3 '09 Source: Company reports 03-03-11 Page 16 Q4 '09 Q1 '10 Total Sales - Actual Q2 '10 Q3 '10 Semi-Equip Sales - Actual Q4 '10 Q1’11 Non GAAP Guidance Q4'10 Results Q1'11 Guidance Quarterly Revenue ($M) $96.9 $85 to $90 Gross Margin 34.9% Operating Expenses 21.5% Consistent with Q4 Slightly Lower Gross margin subject to volume and product mix Opex lower mainly as a result of variable selling expense on lower revenue Non GAAP excludes stock compensation expense and amortization of purchased intangibles 03-03-11 Page 17 Strong Balance Sheet ($M, except per share amounts) Mar ’10 Jun ’10 Sep ’10 Dec’10 Cash and Investments $84.7 $89.9 $91.3 $98.2 Accounts Receivable $44.9 $55.1 $67.2 $66.8 Inventory $59.4 $61.9 $66.0 $63.2 $3.59 $3.79 $3.82 $4.09 62 61 67 60 114 118 107 91 Key Metrics Cash per share DSO Inventory Days Cash increased $13.3M in 2010 despite volume-driven working capital requirements ~10%+ sequential increase in Q4 shipments results in lower inventory No bank debt 03-03-11 Page 18 Summary Rasco acquisition expanded TAM and has been highly successful Well positioned for market share growth from: 03-03-11 Page 19 New, industry-leading pick & place handlers Ramp of Pyramid, next-gen thermal handler Gravity-feed handlers optimized for small IC testing – new product in 2011 Significant cross selling opportunities Strong balance sheet to enable future growth opportunities Investor Presentation Sidoti & Company March 3-4, 2011