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Indicators Average Solar Irradiance CHANGE(%) 1Q22 4Q21 3Q21 2Q20 1Q21 (KWh / Sqm/month) QoQ YOY SPN 161 162 156 171 175 0% -8% Hidaka 111 81 128 143 99 37% 13% Zouen 107 112 121 132 109 -4% -2% WVO 169 146 148 164 175 15% -3% Vietnam 131 92 167 187 135 42% -3% Mongolia 170 150 175 189 163 13% 4% Yamaga 117 114 142 155 116 2% 0% Leo 125 118 121 N/A N/A 6% N/A Average Wind Speed CHANGE(%) 1Q22 4Q21 3Q21 2Q20 1Q21 (m/s/month) QoQ YOY TTTV 8.5 8.1 N/A N/A N/A 22% N/A SERMSANG POWER CORPORATION 26

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