Year 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 CIRCULARS 2011 Form of Proxy for Use at the Annual General Meeting (or at any adjournment thereof)29 Jun 2011 Proposed General Mandates to Repurchase and Issue Shares, Proposed Termination of the Existing Share Option Scheme and the Adoption of the New Share Option Scheme, Proposed Re-election of Directors and Notice of Annual General Meeting29 Jun 2011