Evercore Investment Banking Pitch Book

Additional Materials Net Realized Pricing Forecast - SIRE vs. IHS Domestic Pricing Export Pricing Source: SIRE management, IHS EVERCORE $340 $300 $260 $220 $180 $140 $340 $300 $260 $220 $180 $140 193 193 147 2022E 200 200 200 2022E Projected Soda Ash Pricing Trends - Domestic and Export Pricing 168 208 2023E 270 269 203 200 2023E SIRE, Net 229 208 170 2024E 300 270 190 2024E 247 57 226 168 2025E 280 258 180 2025E IHS, Net as of 8/15/2022 Confidential - Preliminary and Subject to Change 263 225 168 2026E 270 248 172 2026E 207 168 2027E 248 248 172 2027E IHS January 2023 Interim Monthly Update per metric ton) 211 168 2028E 238 238 166 2028E ŞİŞECAM

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