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Code of Conduct

Committed to ethical behavior and speaking up

Our Code of Conduct (Code) is based on the ASML values of challenge, collaborate and care. These values are part of a shared belief system within ASML that defines who we are.

The Code influences how we make decisions and guides us in our interactions with colleagues, customers, suppliers, shareholders and society as a whole. The Code helps us maintain the highest standard of ethics, integrity and respect.

Our ethics program offers the necessary support, advice, training, and communication to enable employees and others to understand and follow our Code. We encourage and enable anyone to speak up if they observe behavior that violates our Code.

Speak Up & Non-retaliation Policy

Our Speak Up & Non-retaliation Policy allows anyone to report issues with respect to our Code. We are committed to an open culture of trust and honest communication, where violations of the Code are not tolerated. People who speak up will be protected for raising concerns about suspected misconduct in good faith. Reports will be treated confidentially and parties can report concerns anonymously.

How to Speak Up



The Ethics Office at ASML can be emailed directly at ethicsoffice@asml.com. Alternatively, our Speak Up service enables anyone to call a local telephone number or send a message through an independent website by following the link from the name of the location in which you are located. Speak Up offers the possibility to report anonymously.

LocationPhone number
China
+86 4001200809
France
+33 971079402
Italy
+39 0694803200
Malaysia
+60 (0)1548771204
Netherlands
+31 (0)852081789
Singapore
+65 31580506
South Korea
 +82 237005103
Taiwan
+886 00801128172
UK
+44 141 673 6062
USA
+1 203 769 9406
Germany
+49 3083792500
Israel
+972 77 223 0423
Ireland
+35 3818001476
Japan
+81 (0)345104476
Belgium+32 784 80109

Code of Conduct for Suppliers

At ASML, we conduct business on the basis of fairness, good faith and integrity, and we expect the same from our partners and suppliers. ASML became a member of the Responsible Business Alliance (RBA) in 2011 and adopted the RBA Code of Conduct, which provides guidance in four critical areas: labor, health & safety, environment and ethics. To reinforce our commitment to the supplier network, we expect our key suppliers and their suppliers to comply with the RBA Code of Conduct and to develop their own strategies, policies and processes to follow it.


More about responsible supply chain

Anti-Bribery & Anti-Corruption Policy

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Competition Law Compliance Policy

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Human Rights Policy

ASML is committed to respecting universal human rights and honoring our Code and values. Our Human Rights Policy applies to all our organizations and subsidiaries around the world, as well as to our suppliers.

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Insider Trading Rules

According to Dutch law, members of ASML’s Board of Management and Supervisory Board are required to notify the Dutch Authority Financial Markets (AFM) of any ASML financial instruments they hold or that are held on their behalf, as well as any transactions in those holdings that they make or that are made on their behalf.

The AFM publishes all reported transactions on its website.

All employees, including members of ASML’s Board of Management and Supervisory Board, are bound by ASML’s Insider Trading Rules.

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Transparency is important to us. Read about our privacy practice.

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