Theranos Investor Conference Presentation Deck

Lymphocyte Subset: Precision Results Meet Performance Criteria Analyte Total T cells CD4+ T cells CD8+ T cells B cells NK cells Mean Repeatability CV Within-laboratory CV Reproducibility CV (cells/μL) (Within-day) (Within-miniLab) (Across 3 miniLabs) 841 2.5% 3.2% 3.3% 153 (L) 838 (N) 571 357 308 4.6% 1533 2.7% 3.5% 4.5% 5.3% Lymphocytes (L): low cell count; (N): normal cell count This technology has not been cleared or approved by the FDA and is not for sale in the United States. 2.7% 5.0% 2.7% 3.9% 4.7% 5.4% 2.8% 5.3% 2.8% 4.1% 4.7% 6.1% 3.1% theranos 42

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