SUMCO Human Rights Policy

Based on our mission statement, “To be the world’s No.1 silicon wafer
supplier by exceeding the expectation of our customers andstakeholders, by recognizing the value of our employees and by being
good neighbors in communities”, the SUMCO Group establishes “SUMCO
Human Rights Policy” to respect human rights of all people associatedwith the SUMCO Group and fulfill our social responsibility as acorporate citizen.
１．Scope(1) This Policy applies to all officers and employees of the SUMCO
Group.
(2) We share this policy with all of our stakeholders and encouragethem to support our initiatives to respect human rights.
2. Respect for international norms/standards of human rights
We commit to respect internationally recognized human rights in theInternational Bill of Human Rights, ILO Declaration on Fundamental
Principles and Rights at Work, United Nation Guiding Principles on
Business and Human Rights, and/or OECD Guidelines for Multinational
Enterprises on Responsible Business Conduct, and we also promote
initiatives based on these international norms/standards. Furthermore,in promoting efforts to respect human rights throughout our supplychain, we refer to RBA (Responsible Business Alliance) Code ofConduct.
3. Initiatives for respecting human rights
We set the following issues as priority themes and promote initiatives
for respecting human rights.
・Prohibition of forced labor and any other involuntary labor
・Prohibition of child labor and engagement of young workers indangerous work
・Compliance with the any applicable labor laws and regulations
covering working time, holiday, wages, etc.
・Prohibition of discrimination based on any factors.
・Prohibition of harassment and slander・Appropriate management of personal information and protection ofprivacy・Respect for freedom of association
・Providing safe and hygienic working environment
・Pollution prevention and compliance with any applicable
environmental laws and regulations
・Pursuit of quality and reliability
4．Initiatives to establishment
We apply and reflect this policy to other related policies, rules,regulations, and procedures, and provide appropriate training andeducation to all officers and employees of the SUMCO Group.
5．Promoting Human Right Due Diligence
We regularly promote human rights due diligence to identify andevaluate negative impacts on human rights caused by our businessactivities.
6. Correction/Remedy(1) When it is revealed that our business activities caused orcontributed to negative impacts on human rights, we will takenecessary steps to correct/remedy the impact through any appropriate
and effective measures and implement prevention measures.
(2) To understand the negative impacts on human rights caused orcontributed by our business activities, we prepare and operate thewhistle-blowing system which are available for not only ouremployees but also our suppliers.
7. Dialogue with stakeholders and external experts
We have a dialogue with stakeholders and external experts to improve
our initiatives to respect human rights based on this policy.
8. GovernanceInitiatives to respect human rights based on this policy and thestatus of compliance with this policy are supervised by the Executive
Officer Responsible for Sustainability Promotion and regularly
reported to the Board of Directors.

9. Disclosure
We disclose our initiatives to respect human rights based on thispolicy on our website, etc.
November/1/2023
SUMCO Corporation
Representative Director, Chairman & CEO
Mayuki Hashimoto