Fourth Quarter Fiscal 2024 Guidance Exhibit 99.1 FOR IMMEDIATE RELEASE Investor Relations: Media Relations: Kevin Kessel, CFA Mike Dulin (408) 875-6627 michael.dulin@kla.com kevin.kessel@kla.com Vice President, Investor Relations Corporate & KLA Services Communications KLA Corporation Reports Fiscal 2024 Third Quarter Results MILPITAS, Calif., April 25, 2024 - KLA Corporation (NASDAQ: KLAC) today announced financial and operating results for its third quarter of fiscal year 2024, which ended on March 31, 20 ...