Trading in the Company's shares and other financial instruments managers with a duty to notify is prohibited during a period starting at the end of each reporting period and lasting until the results release has been published (always at minimum 30 days; "closed window"). This prohibition applies not only to managers with a duty to notify but also to such other persons specified by the Company who participate in the preparation of financial reports. 

In 2020, the closed window periods are:

​Closed windowFinancial report​​Publishing date
​1 Jan–12 Feb 2020The 2019 financial results​12 Feb 2020
​31 March– 29 April 2020Interim report January–March​29 April 2020
​1 July–30 July 2020Half-Year Financial Report 
January–June​
30 July 2020
​30 Sep– 29 Oct 2020Interim report
January–September​
29 Oct 2020
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