Investor Presentaiton

20+ Years of Tremendous Value Creation by Integration of Acquisitions $487 $516 $316 $292 $333 $187 $224 $225 $28 $38 $53 $61 $62 $74 $123 $114 $128 $143 $551 $1,159 $972 $827 $742 $683 www IIVI NASDAQ IPO 1987 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Micro-optics Virgo Optics Micro- optics Lighting Optical Acquisition History Nasdaq IIVI ZnSe Growth UV Filters Laser Power Corp Selenium Refinery Micro-optics Photop Technologies Laser Power Corp Pacific Rare Metals Silicon Carbide Litton SIC Group Thermo-electric Coolers Marlow Industries Laser Processing Heads Highyag Optical Channel Monitors Aegis Lightwave Optical Amplifiers Oclaro Optical Amplifier Metal Matrix Components M Cubed Technologies Conformal Patterning Max Levy Autograph S&P 500 Compound Semi. Wafer Fab Kaiam Laser Limited(U.K. Fab) Epiwafer Foundry Epiworks Semiconductor Lasers Oclaro Semiconductor Laser Faraday Rotator Integrated Photonics Military & Aerospace Optical Systems LightWorks Optics Advanced Coatings Oclaro Optical Coatings Direct Diode Lasers Direct Diode GaAs & GaN-SiC Devices Anadigics II-VI Page 6

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