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Journey to 'complete product' 2012 ● ● Gen 1 ● 16 Initial manufacturing scale up 75 patents Successful completion of 50-year lifetime 5' x 10' panels manufactured Patents include issued patents and patent applications 2013 ● Gen 2 ● Larger panels, improved clear color 100 patents Manufacturing scaled First large project shipped 2015 Gen 3 ● 300 patents Largest panel size: 6' x 10' Reduced amber color • Optimized glare control: 0.5% ● Improved tint color neutral 2020 ● ● Gen 4 ● 1,050 patents Gray/neutral color product 'High-Definition' clarity AI/ML algorithms Glass break sensor Ready for mainstream view

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