• KLA reported non-GAAP diluted earnings of $1.22 per share for Q1 FY27, above the midpoint of its guidance.
• Revenue climbed 29% year-over-year to $4.14 billion, supported by strength in leading-edge foundry/logic tied to AI infrastructure investments.
• Non-GAAP operating margin reached 46.1%, exceeding 46% for the first time in company history.
• December-quarter guidance targets revenue of $4.7 billion ± $200 million and non-GAAP diluted EPS of $1.44 ± $0.11.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. KLA Corporation published the original content used to generate this news brief on October 28, 2026, and is solely responsible for the information contained therein.