We believe our comprehensive internal policies and procedures provide a structure for the operation of AIXTRON that is consistent with the best interests of all our stakeholders as well as the requirements of the law. A key element of good corporate governance is an organization that ensures compliance with the laws, rules and regulations.

AIXTRON's Group-wide Compliance Code of Conduct contains important principles and rules on the following topics that help to provide to employees in their day-to-day business and decision-making processes:

• Responsible and risk-conscious conduct throughout the organization
• Conformity of the entire AIXTRON organization with legal, regulatory and internal requirements as well as ethical and social guidelines and values;
• Fair and respectful coexistence without any form of discrimination;
• Avoid conflicts of interest by strictly separating AIXTRON's interests from those of its business partners;
• Employee involvement in Public Affairs;
• Dealing with Corporate Property;
• Dealing with confidential company information, in particular business and company secrets and personal data;
• Communication with the public, in particular the media and investors;
• Commitment to fair competition in compliance with all applicable competition and antitrust laws;
• Compliance with AIXTRON's anti-corruption policy;
• Conduct towards the capital market, in particular in dealing with insider information;
• Environmentally and safety-conscious behavior in the workplace;
• Product conformity with international and national laws and standards and ensuring of product safety;
• Reporting, handling and sanctioning of violations of the provisions of the Compliance Code of Conduct.

The full text of AIXTRON's Compliance Code of Conduct is available on our website at:

www.aixtron.com/en/investors/corporate-governance/code-of-conduct.