| List of Directors and Their Role and Function |
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| Audit Committee Charter |
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| Compensation Committee Charter |
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| Nominating and Corporate Governance Committee Charter |
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| Amended and Restated Securityholder Communication Policy |
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| Amended and Restated Memorandum and Articles of Association |
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| Board Diversity Policy |
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| Code of Conduct |
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| Scientific Advisory Committee Charter |
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| Commercial Advisory Committee Charter |
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| Securityholder Communications Policy |
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| Securityholder Communications Policy |
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| 2019 Environmental, Social and Governance Report |
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