Who are Onto Innovation’s customers?

Onto Innovation’s customers are comprised of microelectric device manufacturers, outsourced assembly and test factility (OSAT), fabless companies, IDMs, flat panel display manufacturers, and manufacturers in the industrial and scientific industries. For the semiconductor industry, all of the top ten device manufacturers use Onto Innovation’s systems, as well as more than 50 others worldwide, representing most of the major semiconductor fabrication plants and foundries. A large percentage of Onto Innovation’s revenue is derived from customers outside the US.

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When did Onto Innovation go public?

The merger of Nanometrics Incorporated and Rudolph Technologies, Inc. to create Onto Innovation Inc. was closed on October 25, 2019. Rudolph Technologies had gone public in 1999 while Nanometrics went public in 1984.

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Have there been any follow-on offerings? When?

Onto Innovation has not had any follow-on offerings.

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On what exchange does ONTO trade?

The common shares trade on NYSE.

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Do corporate insiders use Rule 10b5-1 Trading Plans?

Yes, corporate insiders use these Trading Plans to facilitate liquidity and to achieve diversification goals.

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How many independent Board members does Onto Innovation have?

There are twelve board members, eleven of whom are independent. Their names and biographical information are located in the most recent Proxy Statement filed with the SEC.

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Who are Onto Innovation’s independent auditors?

The auditors are Ernst & Young, LLP.

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What is the ONTO stock CUSIP?

The ONTO stock CUSIP is 683344105.

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How can I get copies of Onto Innovation’s SEC filings?

Copies of Onto Innovation’s SEC filings can be found at the SEC website.

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Where is Onto Innovation incorporated?

Onto Innovation is incorporated in the state of Delaware.

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Where is Onto Innovation headquartered? Where are the Company’s other operations?

Onto Innovation’s corporate headquarters are located at 16 Jonspin Road, Wilmington, Massachusetts 01887

Offices are maintained in Arizona (USA), California (USA), Massachusetts (USA), Minnesota (USA), New Jersey (USA), Texas (USA), Washington (USA), Oregon (USA), Israel, Singapore, South Korea, Taiwan, Japan and China.

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Who is Onto Innovation’s transfer agent and registrar and how can I reach them?

Onto Innovation’s transfer agent and registrar is Computershare. They can be contacted at www.computershare.com.

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How do I contact Onto Innovation if I have other questions?

Questions can be addressed to the following:

Attention Investor Relations Department
Onto Innovation
16 Jonspin Road
Wilmington, Massachusetts 01887
Tel (978) 253-6200
Or can be e-mailed to investors@ontoinnovation.com

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How can I buy shares of ONTO stock?

You may purchase shares of ONTO stock through a registered stockbroker or through a financial institution that provides brokerage services. Shares cannot be purchased directly from the company.

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