Corporate governance fact sheet
| Corporate governance information | Current | 2018 | 2017 | 2016 | 2015 | 2014 |
|---|---|---|---|---|---|---|
| Size of board of directors | 12 | 12 | 13 | 13 | 13 | 13 |
| Number of independent directors | 11 | 11 | 12 | 12 | 12 | 12 |
| Annual review of board independence | Yes | Yes | Yes | Yes | Yes | Yes |
| Separate chairman and CEO | No | No | No | No | No | No |
| Lead independent director | Yes | Yes | Yes | Yes | Yes | Yes |
| Board diversity (as to gender, ethnicity, experience and skills) | Yes | Yes | Yes | Yes | Yes | Yes |
| Independent directors hold meetings without management present | Yes | Yes | Yes | Yes | Yes | Yes |
| Corporate responsibility and sustainability report | Yes | Yes | No | No | No | No |
| Board orientation / education program | Yes | Yes | Yes | Yes | Yes | Yes |
| Corporate governance guidelines | Yes | Yes | Yes | Yes | Yes | Yes |
| Charters for board committees | Yes | Yes | Yes | Yes | Yes | Yes |
| Independent audit committee | Yes | Yes | Yes | Yes | Yes | Yes |
| Financial experts serving on audit committee | Yes | Yes | Yes | Yes | Yes | Yes |
| Disclosure committee | Yes | Yes | Yes | Yes | Yes | Yes |
| Independent corporate governance and nominating committee | Yes | Yes | Yes | Yes | Yes | Yes |
| Independent compensation committee | Yes | Yes | Yes | Yes | Yes | Yes |
| Independent finance committee | Yes | Yes | Yes | Yes | N/A | N/A |
| Policy for retention of independent auditors | Yes | Yes | Yes | Yes | Yes | Yes |
| Disclosure committee for financial reporting | Yes | Yes | Yes | Yes | Yes | Yes |
| Annual board evaluation required | Yes | Yes | Yes | Yes | Yes | Yes |
| Majority vote for election of directors | Yes | Yes | Yes | Yes | Yes | Yes |
| Proxy access bylaws | Yes | Yes | Yes | No | No | No |
| Shareholder ability to call special meetings | Yes | Yes | No | No | No | No |
| Shareholder ability to act by written consent | No | No | No | No | No | No |
| Annual "say on pay" votes on executive compensation | Yes | Yes | Yes | Yes | Yes | Yes |
| Corporate compliance program | Yes | Yes | Yes | Yes | Yes | Yes |
| Insider trading policy | Yes | Yes | Yes | Yes | Yes | Yes |
| Business code of conduct and ethics for directors | Yes | Yes | Yes | Yes | Yes | Yes |
| Executive compensation clawback policy | Yes | Yes | Yes | Yes | No | No |
| Independent compensation consultant | Yes | Yes | Yes | Yes | Yes | Yes |
| Management succession program | Yes | Yes | Yes | Yes | Yes | Yes |
| Policies on public policy advocacy and political contributions | Yes | Yes | Yes | No | No | No |