KLAC · 8-K · 20261028PR000032

Operating Expense Trends

KLA CORP · 2026-10-28 · Importance 23 · Surprise 22

Research and development expense was $395.1 million in Q1 FY2027, up 9.6% year over year from $360.5 million and down 1.0% sequentially. Selling, general and administrative expense increased 12.1% year over year to $301.5 million from $269.0 million, and rose 3.4% sequentially. The release does not quantify specific drivers for these expense changes.

Key facts

• KLA CORP Q1 FY2027 research and development expense was $395.096 million, compared with $399.023 million in Q4 FY2026 and $360.461 million in Q1 FY2026. source
• KLA CORP Q1 FY2027 selling, general and administrative expense was $301.458 million, compared with $291.477 million in Q4 FY2026 and $268.988 million in Q1 FY2026. source