This is due to the change of disclosure basis to include 5,137,700 shares held by the custodian of one or more funds managed by one or more subsidiaries ("investment entities") of Standard Life Aberdeen plc ("SLA plc"), over which the investment entities do not have control of voting rights.
SLA plc is deemed interested by virtue of its shareholding in its subsidiaries pursuant to Section 8(4)(c) of the Companies Act 2016.