Announcements and Circulars

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 November 2022

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 October 2022

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 September 2022

Announcements and Notices – Change of Company Secretary, Authorised Representative and Process Agent

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 August 2022

Announcements and Notices – Announcement of Interim Results for the six months ended 30 June 2022

Announcements and Notices – Notice of Board Meeting

Announcements and Notices – Voluntary Announcement - Acquisition of Minority Shareholding Interests In Noozle Fluid Tech

Announcements and Notices – Profit Warning

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 July 2022

Announcements and Notices – Change of Address of Hong Kong Branch Share Registrar and Transfer Office

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 June 2022

Announcements and Notices – Poll Results of the Adjourned Annual General Meeting held on 3 June 2022; and Amendments to

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 May 2022

Announcements and Notices – Adjournment of the Annual General Meeting

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 April 2022

Announcements and Notices – Notice of Annual General Meeting

Proxy Forms - Form of Proxy for Use at the Annual General Meeting (or at Any Adjournment thereof)

Circulars - Proposed Grant of General Mandates to Issue and Repurchase Shares; Re-election of Retiring Directors; Propos

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 March 2022

Announcements and Notices – Proposed Amendments to the Memorandum and Articles of Association

Announcements and Notices – Announcement of Annual Results for the year ended 31 December 2021

Announcements and Notices – Notice of Board Meeting

Announcements and Notices – Voluntary announcement in relation to Acquisition of Technology And Ancillary Business

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 28 February 2022

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 January 2022

Announcements and Notices – Positive Profit Alert

Announcements and Notices – Voluntary Announcement – Unusual Price and Trading Volume Movement

Monthly Returns - Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 December 2021