Policies

Corporate Governance

Corporate Governance

Corporate Governance Policies (PDF file)
Audit Committee Charter (PDF file)
Corporate Governance and Nominating Committee Charter (PDF file)
Compensation Committee Charter (PDF file)

Employee Conduct

Code of Ethics for Principal Executive Officers and Senior Executive Officers (PDF file)
Policy Governing the Receipt, Retention and Treatment of Complaints (PDF file)

Ethics and Compliance Line

Click here to go to the Ethics & Compliance Line, which provides a means for SDI employees to anonymously report concerns relating to possible financial or business misconduct.

Other

Statement of Policy for the Review, Approval or Ratification of Transactions With Related Persons (PDF file)