Onto Innovation to Participate in Upcoming Investor Events

WILMINGTON, Mass.--(BUSINESS WIRE)-- Onto Innovation Inc. (NYSE: ONTO) (“Onto Innovation,” “Onto,” or the “Company”) today announced that its senior management team will participate in the following upcoming investor events:

B. Riley Securities 25^th Annual Institutional Investor Conference at the Ritz Carlton in Marina Del Ray, California, on May 22, 2025.

TD Cowen 53^rd Annual Technology, Media & Telecom Conference at the InterContinental New York Barclay, New York, New York, on May 28, 2025.

Stifel 2024 Cross Sector Insight Conference at the InterContinental Hotel in Boston, Massachusetts, on June 3, 2025.

Management will be available for one-on-one meetings at these conferences. To schedule a meeting, please contact your bank salesperson.

About Onto Innovation Inc.

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: Un-patterned wafer quality; 3D metrology spanning chip features from nanometer scale transistors to large die interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging.

Our breadth of offerings across the entire semiconductor value chain combined with our connected thinking approach results in a unique perspective to help solve our customers’ most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient.

With headquarters and manufacturing in the U.S., Onto Innovation supports customers with a worldwide sales and service organization. Additional information can be found at www.ontoinnovation.com.

Source: Onto Innovation Inc.

ONTO-I

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Sidney Ho, +1 (626) 233-8431

sidney.ho@ontoinnovation.com

Source: Onto Innovation Inc.