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ANNOUNCEMENTS CIRCULARS PROSPECTUS

FORM OF PROXY FOR USE AT THE ANNUAL GENERAL MEETING TO BE HELD ON TUESDAY, 29 MAY 2018 AT 11:00 A.M.

24 April, 2018

PROPOSALS FOR RE-ELECTION OF RETIRING DIRECTORS, GENERAL MANDATES TO ISSUE NEW SHARES AND TO REPURCHASE SHARES AND NOTICE OF ANNUAL GENERAL MEETING

24 April, 2018

FORM OF PROXY FOR USE AT THE ANNUAL GENERAL MEETING TO BE HELD ON MONDAY, 29 MAY 2017 AT 11:00 A.M.

24 April, 2017

PROPOSALS FOR RE-ELECTION OF RETIRING DIRECTORS, GENERAL MANDATES TO ISSUE NEW SHARES AND TO REPURCHASE SHARES AND NOTICE OF ANNUAL GENERAL MEETING

24 April, 2017