Onsemi — Feb 9, 2026 release

Selected financial results for the quarter are shown below with comparable periods:       GAAP     Non-GAAP       Three Months Ended     Three Months Ended   (Revenue and Net Income in millions)     Q4 2025       Q3 2025       Q4 2024       Q4 2025       Q3 2025       Q4 2024   Revenue   $ 1,530.1     $ 1,550.9     $ 1,722.5     $ 1,530.1     $ 1,550.9     $ 1,722.5   Gross Margin     36.0 %     37.9 %     45.2 %     38.2 %     38.0 %     45.3 % Operating Margin     13.1 %     17.0 %     23.7 %     19.8 %     19.2 %     26.7 % Net Income attributable to ON Semiconductor Corporation   $ 181.8     $ 255.0     $ 379.9     $ 257.2     $ 256.3     $ 404.2   Diluted Earnings Per Share   $ 0.45     $ 0.63     $ 0.88     $ 0.64     $ 0.63     $ 0.95   1 Selected financial results for 2025 and 2024 are shown below:       GAAP     Non-GAAP       Year Ended     Year Ended   (Revenue and Net Income in millions)   December 31, 2025     December 31, 2024     December 31, 2025     December 31, 2024   Revenue   $ 5,995.4     $ 7,082.3     $ 5,995.4     $ 7,082.3   Gross Margin     33.1 %     45.4 %     38.4 %     45.5 % Operating Margin     1.4 %     25.0 %     18.6 %     27.9 % Net Income attributable to ON Semiconductor Corporation   $ 121.0     $ 1,572.8     $ 966.4     $ 1,704.6   Diluted Earnings Per Share   $ 0.29     $ 3.63     $ 2.35     $ 3.98   Revenue Summary ($ in millions) (Unaudited)     Three Months Ended           Business Segment     Q4 2025       Q3 2025       Q4 2024     Sequential Change   Year-over-Year Change PSG   $ 724.2     $ 737.6     $ 809.4       (2 ) %     (11) % AMG     556.3       583.3       610.6       (5) %     (9) % ISG     249.6       230.0       302.5       9 %     (17) % Total   $ 1,530.1     $ 1,550.9     $ 1,722.5       (1) %     (11) %       Year Ended     Business Segment   December 31, 2025     December 31, 2024     Year-over-Year Change PSG   $ 2,805.1     $ 3,348.2       (16) % AMG     2,261.9       2,609.1       (13) % ISG     928.4       1,125.0       (17) % Total   $ 5,995.4     $ 7,082.3       (15) % FIRST QUARTER 2026 OUTLOOK The following table outlines onsemi's projected first quarter of 2026 GAAP and non-GAAP outlook.     Total onsemi GAAP     Special Items **     Total onsemi Non-GAAP***   Revenue   $1,435 to $1,535 million     —     $1,435 to $1,535 million   Gross Margin   37.4% to 39.4%     0.1%   37.5% to 39.5%   Operating Expenses   $407 to $422 million     $122 million     $285 to $300 million   Other Income and Expense (including interest expense), net   ($7 million)     —     ($7 million)   Diluted Earnings Per Share   $0.28 to $0.38     $0.28     $0.56 to $0.66   Diluted Shares Outstanding *   398 million     1 million     397 million   2 * Diluted shares outstanding can vary as a result of, among other things, the vesting of restricted stock units, the incremental dilutive shares from the Company's convertible notes, and the repurchase or the issuance of stock or convertible notes or the sale of treasury shares. In periods when the quarterly average stock price per share exceeds $52.97 for the 0% Notes, and $103.87 for the 0.50% Notes, the non-GAAP diluted share count and non-GAAP net income per share include the anti-dilutive impa