Exhibit 99.1 FOR IMMEDIATE RELEASE Investor Relations: Media Relations: Kevin Kessel, CFA Mike Dulin Vice President, Investor Relations Corporate Communications (408) 875-6627 michael.dulin@kla.com kevin.kessel@kla.com KLA CORPORATION REPORTS FISCAL 2025 FOURTH QUARTER AND FULL YEAR RESULTS MILPITAS, Calif., July 31, 2025 - KLA Corporation (NASDAQ: KLAC) today announced financial and operating results for its fourth quarter and fiscal year ended June 30, 2025. KLA reported GAAP net income of $1.20 billion a ...