K&S to Acquire Assembléon Transaction Overview

Safe Harbor Statement In addition to historical statements, this presentation and oral statements made in connection with it may contain statements relating to future events and our future results. These statements are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, and include, but are not limited to, statements that relate to our future revenue and potential size of the markets we serve. While these forward-looking statements represent our judgments and current expectations concerning our business, a number of risks, uncertainties and other important factors could cause actual developments and results to differ materially from our expectations. These factors include, but are not limited to: the risk that customer orders already received may be postponed or canceled, generally without charges; the risk that anticipated customer orders may not materialize; the risk that our suppliers may not be able to meet our demands on a timely basis; 3 rd party market forecasts don t materialize and the risk that replacement and incremental demand drivers do not increase demand for our products; the risks of a slowdown of transition from gold to copper Wire Bonding by our customers and the industry, the volatility in the demand for semiconductors and our products and services; volatile global economic conditions, which could result in, among other things, sharply lower demand for products containing semiconductors and for the Company s products, and disruption of capital and credit markets; the risk of failure to successfully manage our operations; acts of terrorism and violence; risks, such as changes in trade regulations, currency fluctuations, political instability and war, which may be associated with a substantial non-u.s. customer and supplier base and substantial non-u.s. manufacturing operations; and the factors listed or discussed in Kulicke and Soffa Industries, Inc. 2014 Annual Report on Form 10-K and our other filings with the Securities and Exchange Commission. The forward-looking statements, as well as our prospects as a whole, are subject to risks and uncertainties that could cause actual results to differ materially from those set forth in the forward-looking statements including, but not limited to, our pending acquisition of Assembléon B.V. ( Assembléon ), including: the potential to not fully realize the benefits anticipated from the acquisition, or to not realize such benefits during the anticipated time frame, including as a result of a loss of customers and/or employees; the potential inability to successfully integrate Assembléon s business with our business or the inability to complete such integration during the anticipated time frame; the inability or decision to not complete the acquisition, or to not complete the acquisition on a timely basis; or the potential distraction of management time and attention. Kulicke & Soffa Industries, Inc. is under no obligation to (and expressly disclaims any obligation to) update or alter its forward-looking statements whether as a result of new information, future events or otherwise. 2

Strategic Focus Bruno Guilmart, President & Chief Executive Officer

A Combination of Like Organizations Similar History, Focus on Innovation, Operational Strengths & Global Footprint Expands Portfolio of Advanced Packaging Solutions Long & Established History of Innovation with Focus on Process Capabilities Global Facilities in Close Proximity Netherlands, Veldhoven Global Footprint with High-Performance Employees Complementary Core Business with Diverse Customers & Supply Chain US, Alpharetta (GA) China, Suzhou Singapore Significant Exposure to High Growth Semi Markets Strong & Unified Corporate Values Assembléon Sites K&S Sites Corporate Cultures of Technology & Market Leadership Serve Complementary Core Markets & Increase Offerings in High Growth Markets 4

Key Deal Value Drivers Expands Served Available Market Compelling Deal Valuation Accretive in First Year Strong Base of Industry Leading Customers in High Growth Markets Broadening Market Reach Anticipated to Improve Through Cyclical Performance Creates Value Through Technology Leadership & Operational Synergies Immediate Opportunities for Co-Development & Market Expansion Enhances Time-to-Market of Potentially Disruptive Solutions The K&S Sales, Distribution & Support Network Expands Assembléon s Market Reach Presents New & Meaningful Growth Opportunities Broadens the Scope of Advanced Packaging Exposure Panel-Based Equipment Platforms Significantly Extend Technology Competencies Technology Convergence Drives Potential for Value Creation through Process Innovation 5

Technology Convergence Presents New Opportunities Technology Capabilities New Opportunities 6 Leading Edge Component Requirements LED Traditional SMT Advanced SMT Modules Embedded Die Passive & Active Placement High Throughput High Accuracy Panel-Based Architecture Advanced Packaging Flip Chip Current & Future PoP SiP Thermo- Compression WLP & FOWLP MEMs Semiconductor Interconnect 2.5D/3D Accuracy Throughput Process Capability SOC Stacked Memory BGA High Accuracy Ball Bonding Wafer Level Bonding QFN Wedge Bonding Other Leadframe & Substrate LED

Kulicke & Soffa Assembléon Assembléon Solutions Provide Immediate Access to New & Existing Markets Advanced SMT High-End SMT Modules SiP Advanced Packaging Wire Bonding Embedded Die PoP FOWLP WLP Flip Chip Thermo- Compression Wafer Level Bonding Wedge Bonding Ball Bonding New Business Opportunities Existing K&S Equipment Solutions 7

Advanced Packaging Opportunity Advanced Package-on-Package (PoP) Diversifies K&S into Another Form of Advanced Packaging Applicable to Memory-Memory PoP Further Broadens Solutions Addressing High-Performance Tablet/Smartphone Devices Advanced Modules Diversifies K&S into CPU Module Business Proven Solution in Production at Leading Logic IDM Allows Incredibly Small Passive Placement in CPU module Applicable to Other Modules Requiring Both Active & Passive Components Advanced System in Package & MEM s Grow addressable System-in-Package (SiP) market Expand Market Presence in fast growing MEMs market Competencies Applicable to Other Markets Such as Embedded Die Ability to Place Passive & Active Components Presents Unique Offering 8

Financial Highlights Jonathan Chou, Senior Vice President & Chief Financial Officer

Strategically & Financially Compelling Transaction Sizable & Growing Markets Expands K&S Served Available Market by nearly 60% Providing Additional Opportunities for Growth Increases Breadth of Offerings in Growing Advanced Packaging Market Stable & Diversified Revenue Base 38% from Advanced Packaging 30% from Advanced SMT Segment 32% from Recurring Spare & Service Revenue Attractive Valuation with Strategic Alignment Forward Price to Sales Multiple: <1.0x Forward Price to EBITDA Multiple: <10x Accretive in First Year Ongoing Execution of Long-Term Strategy 10 Forward calculations are based on calendar 2015 financial estimates & a purchase price subject to customary closing adjustments

Transaction Summary Established Leadership Positions Track Record of Interconnect Innovation Strong Sales & Distribution Network Solutions Address High Growth Segments Exposure to Industry Leading Customers Compelling Value Proposition Diversification of Customers & Technology Comprehensive Offering in Advanced Packaging Immediate Access to Advanced SMT Business Immediate Opportunities Through Technology & Distribution Synergies Anticipated to Drive Meaningful & Sustainable Value Creation 11