LONGi Solar Company Presentation

☐ 2000-2005 Era: Accumulation of Semiconductor Technology 2000 Established 2005 Formation of annual production capacity of 30 tons silicon ingot History Propelling the transformation From its humble beginnings in Y2000, LONGI progressed from the first era of developing expertise in semiconductor technology, to the 2nd era of promoting technological innovations in monocrystalline silicon wafers; then to the 3rd era of promoting monocrystalline to the mainstream and finally to today's new era of using solar energy technology to re-green the earth's ecology. Every of LONGi's successive technological innovations brought about industrial transformations. Propelling the transformation LONGI ☐ 2006-2014 Era: Promoting Monocrystalline Silicon Wafers Technological Innovations 2012 A-share market listing 2014 World's No.1 in production of monocrystalline silicon wafer • RCZ Ingot pulling 。 Diamond Wire Slicing Technology • M1/M2 Silicon standard START 2000 LONGI Solar @ 2020 st 4

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