Investor Presentaiton

Royalty Opportunity ~410 wafer fabs operating worldwide ▸ Adoption of MST in one fab can make Atomera profitable from royalties alone ■ 2022 non-GAAP OPEX guidance is $15.25M -$15.75M atomera Example 1 | Worldwide Average Fab Example 2 | Leading Foundry, 28nm Fab Monthly Fab Capacity1 46,240 (wafers/month) Monthly Fab Capacity (wafers/month) 80,000 Industry average wafer ASP - 2018 $1,365 Annual Revenue Potential² $15.1M Industry average 28nm wafer ASP Annual Revenue Potential² $3,300 $63M Annual Revenue at 50% of ramp² $7.6M Annual Revenue at 50% of ramp² $31.7M 1. Represents wafers starts per month (200mm equiv) - 227.5M starts in 410 fabs 2. Assumes 2% royalty rate Source: IC Insights Global Wafer Capacity 2021-2025 report, McClean Report 2021, 2022 Atomera Incorporated 16

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