Omnicell Investor Presentation Deck

Reconciliation of GAAP net income (loss) to non-GAAP EBITDA (¹): GAAP net income (loss) Share-based compensation expense Interest (income) and expense, net Depreciation and amortization expense Acquisition accounting impact related to deferred revenues Acquisition-related expenses Impairment and abandonment of operating lease right-of-use and other assets related to facilities Ransomware-related expenses, net of insurance recoveries Executives transition costs Omnicell, Inc. Reconciliation of GAAP to Non-GAAP (Unaudited, in thousands, except per share data and percentage) Severance-related and other expenses, net of reversals Amortization of debt issuance costs © 2023 Omnicell, Inc. $ Three Months Ended September 30, 2023 5.553 $ 14,982 (5,247) 21,542 Three Months Ended June 30, 2023 246 3,451 14,089 (4,410) 22,080 246 Three Months Ended March 31, 2023 S (15,000) $ 14,042 (3,074) 21,974 Three Months Ended December 31, 2022 246 8,420 (184) 1,348 841 (581) 721 5,314 1,048 1,046 Provision for (benefit from) income taxes 8,758 1,829 40,536 1,045 (6,182) 26,785 $ Non-GAAP EBITDA $ 46,822 $ (a) Defined as earnings before interest income and expense, taxes, depreciation, amortization, and share-based compensation, as well as excluding certain other non-GAAP adjustments. (28,408) 17,516 (2,410) 22,088 40 246 3,992 73 - 18,782 1,043 (7,106) 25,856 Year Ended December 31, 2017 30,518 21,857 6,072 51,511 1,252 1,715 4,752 (26,006) 91,671 25

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