Information you provide to us. Personal information you may provide to us through the Service or otherwise includes:

• Contact data, such as your first and last name, salutation, email address, and phone number.
• Communications data based on our exchanges with you, including when you contact us through the service, social media, or otherwise.
• Marketing data, such as your preferences for receiving our marketing communications and details about your engagement with them.
• Other data not specifically listed here, which we will use as described in this Privacy Policy or as otherwise disclosed at the time of collection.

Automatic data collection. We, our service providers, and our business partners may automatically log information about you, your computer or mobile device, and your interaction over time with the Service, our communications and other online services, such as:

• Device data, such as your computer or mobile device’s operating system type and version, manufacturer and model, browser type, screen resolution, RAM and disk size, CPU usage, device type (e.g., phone, tablet), IP address, unique, language settings, mobile device carrier, radio/network information (e.g., Wi-Fi, LTE, 3G), and general location information such as city, state or geographic area.
• Online activity data, such as pages or screens you viewed, how long you spent on a page or screen, the website you visited before browsing to the Service, navigation paths between pages or screens, information about your activity on a page or screen, access times and duration of access, and whether you have opened our emails or clicked links within them.
• Communication interaction data such as your interactions with our email, text or other communications (e.g., whether you open and/or forward emails) – we may do this through use of pixel tags (which are also known as clear GIFs), which may be embedded invisibly in our emails.

Cookies and similar technologies. Some of the automatic collection described above is facilitated by the following technologies:

• Cookies, which are small text files that websites store on user devices and that allow web servers to record users’ web browsing activities and remember their submissions, preferences, and login status as they navigate a site. Cookies used on our sites include both “session cookies” that are deleted when a session ends, “persistent cookies” that remain longer, “first party” cookies that we place and “third party” cookies that our third-party business partners and service providers’ place.
• Local storage technologies, like HTML5, that provide cookie-equivalent functionality but can store larger amounts of data on your device outside of your browser in connection with specific applications.
• Web beacons, also known as pixel tags or clear GIFs, which are used to demonstrate that a webpage or email was accessed or opened, or that certain content was viewed or clicked.

We may use your personal information for the following purposes or as otherwise described at the time of collection:

Service delivery and operations. We may use your personal information to:

• provide, operate and improve the Service and our business;
• communicate with you about the Service, including by sending Service-related announcements, updates, security alerts, and support and administrative messages;
• understand your needs and interests, and personalize your experience with the Service and our communications; and
• provide support for the Service, and respond to your requests, questions and feedback.

Research and development. We may use your personal information for research and development purposes, including to analyze and improve the Service and our business and to develop new products and services. As part of these activities, we may create aggregated, de-identified and/or anonymized data from personal information we collect. We make personal information into de-identified or anonymized data by removing information that makes the data personally identifiable to you. We may use this aggregated, de-identified or otherwise anonymized data and share it with third parties for our lawful business purposes, including to analyze and improve the Service and promote our business.

Marketing and advertising. We and our third-party advertising partners may collect and use your personal information for marketing and advertising purposes:

• Direct marketing. We may send you direct marketing communications as permitted by law, including by email. You may opt-out of our marketing communications as described in the Optout of marketing section below.
• Interest-based advertising. We may contract with third-party advertising and social media companies to display ads on our Service and other online services. These companies may use cookies and similar technologies to collect information about you (including the device data, online activity data and/or geolocation data described above) over time across our Service and other online services, as well as your interaction with our emails, and use that information to serve ads that they think will interest you. You can learn more about your choices for limiting interest-based advertising, in the Advertising choices. section below.

Service improvement and analytics. We may use your personal information to analyze your usage of the Service, improve the Service, improve the rest of our business, help us understand user activity on the Service, including which pages are most and least visited and how visitors move around the Service, as well as user interactions with our emails, and to develop new products and services.

Compliance and protection. We may use your personal information to:

• comply with applicable laws, lawful requests, and legal process, such as to respond to subpoenas, investigations or requests from government authorities;
• protect our, your or others’ rights, privacy, safety or property (including by making and defending legal claims);
• audit our internal processes for compliance with legal and contractual requirements or our internal policies;
• enforce the terms and conditions that govern the Service; and
• prevent, identify, investigate and deter fraudulent, harmful, unauthorized, unethical or illegal activity, including cyberattacks and identity theft.

With your consent. In some cases, we may specifically ask for your consent to collect, use or share your personal information, such as when required by law.

We may share your personal information with the following parties and as otherwise described in this Privacy Policy, in other applicable notices, or at the time of collection.

Affiliates. Our corporate parent, subsidiaries, and affiliates.

Service providers. Third parties that provide services on our behalf or help us operate the Service or our business (such as hosting, information technology, customer support, email delivery, marketing, consumer research and website analytics).

Advertising partners. Third party advertising companies that collect information about your activity on the Service and other online services to help us advertise our services, and/or use customer lists that we share with them to deliver ads on their platforms to those customers and similar users for the interestbased advertising purposes described above.

Professional advisors. Professional advisors, such as lawyers, auditors, bankers and insurers, where necessary in the course of the professional services that they render to us.

Authorities and others. Law enforcement, government authorities, and private parties, as we believe in good faith to be necessary or appropriate for the Compliance and protection purposes described above.

Business transferees. We may disclose personal information in the context of actual or prospective business transactions (e.g., investments in Aixtron, financing of Aixtron, public stock offerings, or the sale, transfer or merger of all or part of our business, assets or shares), for example, we may need to share certain personal information with prospective counterparties and their advisers. We may also disclose your personal information to an acquirer, successor, or assignee of Aixtron as part of any merger, acquisition, sale of assets, or similar transaction, and/or in the event of an insolvency, bankruptcy, or receivership in which personal information is transferred to one or more third parties as one of our business assets.

In this section, we describe the rights and choices available to all users. Users who are located in California can find additional information about their rights below.

Opt-out of communications. You may opt-out of marketing-related emails by following the opt-out or unsubscribe instructions at the bottom of the email, or by contacting us. Please note that if you choose to opt-out of marketing-related emails, you may continue to receive service-related and other nonmarketing emails.

Cookies. Most browsers let you remove or reject cookies. To do this, follow the instructions in your browser settings. Many browsers accept cookies by default until you change your settings. Please note that if you set your browser to disable cookies, the Service may not work properly. For more information about cookies, including how to see what cookies have been set on your browser and how to manage and delete them, visit www.allaboutcookies.org. You can also configure your device to prevent images from loading to prevent web beacons from functioning.

Blocking images/clear gifs: Most browsers and devices allow you to configure your device to prevent images from loading. To do this, follow the instructions in your particular browser or device settings.

Advertising choices. You may be able to limit use of your information for interest-based advertising through the following settings/options/tools:

• Browser settings. Changing your internet web browser settings to block third-party cookies.
• Privacy browsers/plug-ins. Using privacy browsers and/or ad-blocking browser plug-ins that let you block tracking technologies.
• Platform settings. Google offers opt-out features that let you opt-out of use of your information for interest-based advertising. You may be able to exercise that option at the following websites:
  • Google: Opt-out (https://adssettings.google.com/)
• Ad industry tools. Opting out of interest-based ads from companies that participate in the following industry opt-out programs:
  • Network Advertising Initiative: http://www.networkadvertising.org/managing/opt_out.asp
  • Digital Advertising Alliance: optout.aboutads.info.

Do Not Track. Some Internet browsers may be configured to send “Do Not Track” signals to the online services that you visit. We currently do not respond to “Do Not Track” signals. To find out more about

“Do Not Track,” please visit http://www.allaboutdnt.com.

Declining to provide information. We need to collect personal information to provide certain services. If you do not provide the information we identify as required or mandatory, we may not be able to provide those services.

The Service may contain links to websites, mobile applications, and other online services operated by third parties. In addition, our content may be integrated into web pages or other online services that are not associated with us. These links and integrations are not an endorsement of, or representation that we are affiliated with, any third party. We do not control websites, mobile applications or online services operated by third parties, and we are not responsible for their actions. We encourage you to read the privacy policies of the other websites, mobile applications and online services you use.

We employ a number of technical, organizational and physical safeguards designed to protect the personal information we collect. However, security risk is inherent in all internet and information technologies and we cannot guarantee the security of your personal information.

We are headquartered in the United States and may use service providers that operate in other countries. Your personal information may be transferred to the United States or other locations where privacy laws may not be as protective as those in your state, province, or country.

The Service is not intended for use by anyone under 16 years of age. If you are a parent or guardian of a child from whom you believe we have collected personal information in a manner prohibited by law, please contact us. If we learn that we have collected personal information through the Service from a child without the consent of the child’s parent or guardian as required by law, we will comply with applicable legal requirements to delete the information.

We reserve the right to modify this Privacy Policy at any time. If we make material changes to this Privacy Policy, we will notify you by updating the date of this Privacy Policy and posting it on the Service or other appropriate means. Any modifications to this Privacy Policy will be effective upon our posting the modified version (or as otherwise indicated at the time of posting). In all cases, your use of the Service after the effective date of any modified Privacy Policy indicates your acknowledging that the modified Privacy Policy applies to your interactions with the Service and our business.

Your California Privacy Rights. As a California resident, you have the rights listed below. However, these rights are not absolute, and in certain cases we may decline your request as permitted by law.

• Know/information. You can request information about the categories of personal information that we have collected; the categories of sources from which we collected personal information; the business or commercial purpose for collecting, sharing and/or selling personal information; the categories of any personal information that we sold or disclosed for a business purpose; and the categories of any third parties with whom personal information was sold, shared or disclosed for a business purpose.
• Access. You can request a copy of the personal information that we have collected about you.
• Correction. You can ask us to correct inaccurate personal information that we have collected about you.
• Deletion. You can ask us to delete the personal information that we have collected from you.Opt-out of tracking for targeted advertising purposes. You can opt-out of certain tracking activities for targeted advertising purposes as described in the interest-based advertising section above.
• Nondiscrimination. You are entitled to exercise the rights described above free from discrimination as prohibited by the CCPA.

How to Exercise Your Rights.

• Information/know, access, correction, and deletion. You may submit requests to exercise these rights via email to d-us-cpra@aixtron.com . We cannot process your request if you do not provide us with sufficient detail to allow us to understand and respond to it.
• Opt-out of “sharing” for targeted advertising purposes. Like many companies, we use services that help deliver interest-based ads to you as described above. California law classifies our use of some of these services as “sharing” your personal information with the Advertising partners that provide the services from which you have the right to opt-out. You can broadcast the

Global Privacy Control (GPC) to opt-out for each participating browser system that you use. Learn more at the Global Privacy Control website.

Verification of Identity. We may need to verify your identity in order to process your information/know, access, correction, or deletion requests and reserve the right to confirm your residency. To verify your identity, we may require government identification, a declaration under penalty of perjury, authentication into your Service account, personal identifiers we can match against information we may have collected from you previously, confirmation of your request using the email or telephone account stated in the request, or other information, where permitted by law.

Authorized Agents. Your authorized agent may be able to make a request on your behalf. However, we may need to verify your authorized agent’s identity and authority to act on your behalf. We may require a copy of a valid power of attorney given to your authorized agent pursuant to applicable law. If you have not provided your agent with such a power of attorney, we may ask you to take additional steps permitted by law to verify that your request is authorized, such as by providing your agent with written and signed permission to exercise your rights on your behalf, the information we request to verify your identity, and confirmation that you have given the authorized agent permission to submit the request.

Sales. We do not “sell” personal information as defined by the CCPA and have not sold personal information in the preceding 12 months. We do not have actual knowledge that we have sold or shared the personal information of California residents under 16 years of age.

Sensitive personal information. We do not use or disclose sensitive personal information for purposes that California residents have a right to limit under the CCPA.

Retention. The criteria for deciding how long to retain personal information is generally based on whether such period is sufficient to fulfill the purposes for which we collected it as described in this notice, including complying with our legal obligations.

Deidentification. We do not to attempt to reidentify deidentified information derived from personal information, except for the purpose of testing whether our deidentification processes comply with applicable law.

Personal information that we collect, use and disclose. The chart below summarizes the personal information we collect by reference to the categories of personal information specified in the CCPA (Cal. Civ. Code §1798.140) and describes our practices currently and during the 12 months preceding the effective date of this Privacy Policy. The terms in the chart refer to the categories of information, and third parties described above in this Privacy Policy in more detail. We collect all categories of personal information from the sources described in the “personal information we collect” section above and use them for the business/commercial purposes described above in the “How we use your personal information” section. Information you voluntarily provide to us, such as in free-form webforms, may contain other categories of personal information not described below. In addition to the disclosures described in the chart below, we disclose personal information to professional advisors, authorities and others, and business transferees as described in the “How we share your personal information” section above.