KEELING HENRY CHARLES VAUGHAN

Class A Common Shares

Class A Common Shares

Class A Common Shares

Class A Common Shares

Employee Stock Option (Right to buy)

Employee Stock Option (Right to buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Stock Option (Right to Buy)

Class A Common Shares

Class A Common Shares

Class A Common Shares

Class A Common Shares

Class A Common Shares

Class A Common Shares