Company Information RFsemi Technologies Inc Company Profile Overview

Company Information RFsemi Technologies, Inc.

Company Profile _ Overview Company RFsemi Technologies, Inc. Foundation 1999. 10. 22 CEO Lee, Jin hyo Employee 506 people - Headquarter : 11 F, Miracle Bldg. , 52 Dunsan st. Seo-gu, Dajeon, Korea - Factory 1 : 12, 6 Wanjusandan st. Bongdong-eup, Wanju-gun, Jeonbuk, Korea - Factory 2 : Torch High-Tech Industry Development Zone, Weihai, China Location - Factory 3 : LED Lighting Factory, Shenzhen, China - Factory 4 : LED Lighting Factory, Bongdong-eup Wanju-gun, Jeonbuk, Korea - Distributor : RFsemi Holdings SDN BHD in Malaysia RFsemi USA in USA RFsemi Hong Kong Office USA WEIHAI SHENZEN HONGKONG MALAYSIA Location SEOUL DAJEONJU Semiconductor Factory LED Lighting Factory

Company Profile _ History • 2015 : Established branch in USA : Established branch in Malaysia : Developed D-COB LED Light • 2014 : Founded LED lighting Jeonju factory • 2013 : Founded China Shenzhen factory : Developed LED Light • 2012 : Developed ECM Module : Developed Power TVS Diode • 2011 : Developed Low Cap. TVS Diode • 2008 : Founded China Weihai factory : Developed TVS Diode • 2007 : Listed in KOSDAQ • 2001 : Semiconductor R&D center Open • 2001 : Acquired ISO 9001 certification • 2000 : Founded Semiconductor Factory Developed ECM Chip • 1999 : Registered as venture company KRX Hidden champion Awards eighth consecutive years 3, 000 M dollars exportation prize Best Taxpayer Award from National Tax Service

Products _ Portfolio ★ Domestic Market Share No. 1 ★ World Market Share No. 1 TVS Diode - 01. ECM Sector - ECM Chip - ECM Module - MEMS MIC. (Under Develop) 02. TVS Diode Sector ECM Chip ECM Module LED Lighting General TVS Low Cap. TVS Power TVS Ultra Low Cap. TVS ★Leading Company in the World Market of AC Direct LED lighting 03. LED Lighting Sector - LED Module - LED Light - D-COB LED Module

Productive Capacity _ Semiconductor Productivity improvement by efficient development & management D y g o ev n n ch e T 500 ic ol e Te ch 400 no lo gy ig s e D 7, 000 4, 000 no lo g y 2, 500 ch Te ss oc e Pr t en pm ui y Eq log & e no ag ch ck Te Pa Semiconductor Technology 260 2013 Package (Million/Month) 6”Wafer (Sheet/Month) 2016

Productive Capacity _ LED lighting Monthly productive capacity [PCS/Month] Bulb Down Light Tube High Bay

LED Lighting Oversea Networks Russia Central Asia Germany USA Japan China Hong Kong UAE Mexico Malaysia Zambia Botswana Brazil Argentina Sales Branch Customers

Company Information RFsemi Technologies, Inc.

RFsemi’s LED Lighting Weakness of Conventional Lighting Main failure of LED Lighting The LED Light failure over 52% happened from SMPS Driver SOURCE : US Department of Energy, 2014 SMPS Driver LED Housing Control

RFsemi’s LED Lighting Comparison of SMPS & AC Direct Driving Method Sortation SMPS AC Direct Driving Method Transformer Electrolytic Capacitor None ~ 50, 000 hours ~ 10, 000 hours ~ 100, 000 hours Cost High Low Size Large Very Small > 80% > 85% Power Factor > 0. 6 > 0. 98 THD < 50% < 20% External Parts LED Life Time LED Driver Life Time Efficiency

RFsemi’s LED Lighting Comparison of LED Tube SMPS type LED Tube LED Module + EMC filter +SMPS + PFC AC direct driver LED Tube LED Module + AC direct driver ICs

RFsemi’s LED Lighting Comparison of AC Direct Driving Methods Sortation Other Companies RFsemi 240 VAC Driving method time Sequential Lighting Low Efficiency Low Reliability of LED Simultaneous Lighting High Efficiency High Reliability of LED

RFsemi’s LED Lighting Feature High Luminance 120 V 180 V 240 V 310 V Others The light is turned on sequential by voltage, total lumen is low RFsemi The light is turned on simultaneous by voltage, total lumen is high

RFsemi’s LED Lighting Feature LED reliability is high 120 V 180 V 240 V 310 V Others Some LEDs take overload for a long time So the life time is short RFsemi LEDs are loaded with same power, the reliability is high

RFsemi’s LED Lighting Feature Heat is dispersed by several ICs arrangement Others RFsemi Heat is concentrated on one point Heat is dispersed in several IC

RFsemi’s LED Lighting Feature Other AC direct driver IC RFsemi AC direct driver IC 240 VAC

RFsemi’s LED Lighting Feature Good Dimmable !! No bee noise during dimming

RFsemi’s LED Lighting Feature High Reliability of LED Thermal Reliability of Driver IC AC Direct LED Driver IC High Luminance High Serge & ESD Immunity Good Dimming & No Bee Noise

RFsemi’s LED Lighting Features Certification requirements

RF semi Technologies, Inc.