Slide 1: Q4 2025 Conference Call
Q4 2025 Conference Call February 12, 2026 Atomera Incorporated 1
Slide 2: Safe Harbor
Safe Harbor This presentation contains forward-looking statements concerning Atomera Incorporated (““Atomera,” the “Company,” “we,” “us,” and “our”). The words “believe,” “may,” “will,” “potentially,” “estimate,” “continue,” “anticipate,” “intend,” “could,” “would,” “project,” “plan,” “expect” and s
Slide 3: Mears Silicon Technology (MST®)
Mears Silicon Transistor enhancement Technology technology for the High Leverage IP Licensing Business (MST®) $750B semiconductor market Model Quantum Engineered Materials Top Tier Strong, Growing and Management Team Defensible Patent Portfolio 3
Slide 4: MST blocks Phosphorus diffusion into nanosheet
MST blocks Phosphorus diffusion into nanosheet MST ► GAA transistors ▪ Use highly phosphorus doped silicon (SiP) in the Source and Drain ▪ Minimizes series resistance ► Phosphorus diffuses into the undoped nanosheet channel ▪ Degrades performance ▪ Worsens series resistance ► MST is excellent at blo
Slide 5: MST technology focus areas
MST MST for Power technology focus areas MST for RF-SOI MST for Advanced Nodes MST for DRAM Atomera 5
Slide 6: Financial Review
Financial Review Income Statement Three Months Ended ($ in thousands, except per-share data) 3/31/2025 6/30/2025 9/30/2025 12/31/2025 FY 2025 FY 2024 REVENUE $ 4 $ - $ 11 $ 50 $ 65 $ 135 Gross Profit 4 (62) (117) (81) (256) (123) OPERATING EXPENSES Research & Development 3,255 3,004 3,304 2,740 12,3
Slide 7: GAAP to Non-GAAP Reconciliation
GAAP to Non-GAAP Reconciliation Reconciliation of GAAP to Non-GAAP Operating Expenses ($ in thousands, except per-share data) Three Months Ended 3/31/2025 6/30/2025 9/30/2025 12/31/2025 FY 2025 FY 2024 GAAP R&D Expenses $ 3,255 $ 3,004 $ 3,304 $ 2,740 $ 12,303 $ 11,029 Subtract Stock Comp Expense (4
Slide 8: Mission Statement
Mission Statement We collaborate with customers to improve their products, through integration of MST, so that both companies benefit financially Atomera Incorporated 8
Slide 9: Thank You
Thank You Atomera Incorporated 9