AEHR TEST SYSTEMS is committed to conducting business in a sustainable, responsible, and ethical manner. Our Environmental, Social, and Governance (ESG) policy reflects our dedication to long-term value creation, stakeholder engagement, and the promotion of positive societal impact. This policy guides our decision-making processes, operations, and interactions with our employees, customers, suppliers, investors, and the communities in which we operate.


We will minimize our environmental impact by:

  • Emphasizing energy efficiency, responsible sourcing, and waste management practices throughout our operations.
  • Regularly assessing and adopting innovative technologies and practices that contribute to sustainable development.
  • Promoting environmental education and awareness among our employees and stakeholders.

Our Actions:

  • In FY22, over 80% of our revenue was from test and burn in of semiconductors used in the Electric Vehicle market.
  • We engineer our products to be more energy efficient by using more efficient electrical designs and thermally efficient cooling architectures using conductive heat transfer versus convection air cooled methods.
  • Our technology and architectural design allow our products to take up only 5% of the test floor space compared to competitor’s products.
  • We improved our facility by replacing existing air conditioners and heat exchangers with higher efficiency units that draw less power and produce less wasted energy.
  • Our new headquarters facility upgrades include moving to high efficiency lighting, modernizing our electrical power and cooling infrastructure, and adding Electric Vehicle charging stations for employees, vendors, and customers.


Conflict Minerals Policy


We will uphold social responsibility by:

  • Ensuring fair and inclusive employment practices, equal employment opportunities, and diversity in our workforce.
  • Fostering a safe and healthy work environment that prioritizes employee well-being and emphasizes occupational health and safety.
  • Respecting human rights and avoiding activities that may contribute to social harm, such as child labor or forced labor.

Our Actions:

  • We review our hiring and turnover during our Quarterly Business Review
  • We use an independent 3rd party to review our salaries for competitiveness.
  • We perform annual employee surveys on demographic and satisfaction (and scored a 4.1 out of 5 Glassdoor rating as a great place to work).
  • We provide full time employees with stock options and ESPP participation.
  • We provide recurring training for compliance with State of California regulations.
  • We promote employee engagement through quarterly (or more frequent) corporate events.
  • We increased our headcount in 2023.
  • We provide health care coverage, life insurance, continuing education assistance, and health club reimbursements to full time employees.


Audit Committee Charter

Health and Safety Policy


We will maintain strong governance and ethical standards by:

  • Establishing a board of directors with diverse expertise, independence, and a commitment to transparent and accountable decision-making.
  • Implementing governance structures and processes that promote transparency, integrity, and responsible business practices.
  • Complying with applicable laws, regulations, and industry standards.
  • Protecting the privacy rights of our stakeholders and responsibly managing data.

Our Actions:

  • We maintain a diversified Board of Directors (two out of five are female).
  • Our chairman / founder became an independent director in 2022.
  • All employees and Board members sign a Code of Conduct and Ethics policy, and an Insider Trading policy.
  • Our directors and officers complete a D&O questionnaire to identify conflicts of interest or areas of concern.
  • We maintain a Governance, Audit, and Compensation Committee to provide corporate oversight.


ISO-9001 Certificate

Code of Ethics

Whistleblower Policy

Corporate Governance and Procedure on Insider Trading