Allegro MicroSystems(ALGM) - 2025 Q4 - Annual Results

Exhibit 99.1 Allegro MicroSystems Reports Fourth Quarter and Fiscal Year 2025 Results The Company also estimates the following results on a non-GAAP basis: Allegro has not provided a reconciliation of its first fiscal quarter outlook for non-GAAP Gross Margin, non-GAAP Operating Expenses, non-GAAP Interest Expense, and non-GAAP Diluted Earnings per Share because estimates of all of the reconciling items cannot be provided without unreasonable ef orts. It is dif icult to reasonably provide a forward-looking ...