Market Announcements

Please find below market announcements by year

19 September 2023 Appendix 3Y Change of Directors Interest Notice Peter Stephens

18 September 2023 Appendix 3Y Change of Directors Interest Notice Peter Stephens

13 September 2023 Appendix 3Y Change of Directors Interest Notice David Deacon

11 September 2023 Etherstack signs agreement with Telstra for MCX IWF trial

28 August 2023 30 June 2023 Half year results presentation

25 August 2023 Half yearly Report and Accounts

23 August 2023 Trading update/Revenue guidance

11 August 2023 Notification regarding unquoted securities – ESK

10 August 2023 Notice under section 708A of the Corporations Act

10 August 2023 Application for quotation of securities – ESK

9 August 2023 Etherstack First Half FY2023 Results Webinar

3 August 2023 Proposed issue of securities – ESK

18 July 2023 Notice under section 708A of the Corporations Act

17 July 2023 Application for quotation of securities – ESK

17 July 2023 Notice under section 708A of the Corporations Act

13 July 2023 Application for quotation of securities – ESK

13 July 2023 Notice under section 708A of the Corporations Act

4 July 2023 Appendix 3Y Change of Directors Interest Notice David Deacon

29 June 2023 Notification regarding unquoted securities – ESK

29 June 2023 Etherstack signs Funding Agreement

14 June 2023 Results of 2023 Annual General Meeting

14 June 2023 CEO presentation to Annual General Meeting

6 June 2023 Notification regarding unquoted securities – ESK

6 June 2023 Notice under section 708A of the Corporations Act

1 June 2023 Notification regarding unquoted securities – ESK

31 May 2023 Notice under section 708A of the Corporations Act

31 May 2023 Application for quotation of securities – ESK

31 May 2023 Notification regarding unquoted securities – ESK

15 May 2023 Appendix 3Y Change of Director’s Interest Notice: David Deacon

8 April 2023 AGM Notice of Meeting/Proxy

5 April 2023 Appendix 3Y Change of Director’s Interest Notice: Peter Stephens

5 April 2023 Appendix 3Y Change of Director’s Interest Notice: David Deacon

31 March 2023 Notice under section 708A of the Corporations Act

31 March 2023 Application for quotation of securities

31 March 2023 Appendix 4G

31 March 2023 Full year statutory accounts

22 March 2023 AGM date and closing date for nomination of Directors

17 February 2023 Full year 2022 Results presentation

17 February 2023 Preliminary Final Report

2 February 2023 Etherstack FY 2022 Results webinar

10 January 2023 Amended Change of interests of substantial holder

10 January 2023 Amended 3Y Change of Directors Interest: Peter Stephens

3 January 2023 Notice of Change of interests of substantial holder

3 January 2023 Appendix 3Y Change of Directors Interest: Peter Stephens

24 Dec 2020 Form 604 – Notice of change of interest of substantial holder (Peter Stephens)

24 Dec 2020 Form 604 – Notice of change of interest of substantial holder (David Deacon)

24 Dec 2020 Appendix 2A – Appplication for quotation of +Securities

23 Dec 2020 Proposed Issue of Securities

23 Dec 2020 Cleansing Prospectus

18 Dec 2020 Investor Presentation

18 Dec 2020 Successful Placement

18 Dec 2020 Propsed issue of securities

9 Dec 2020 Shareholder presentation

9 Dec 2020 Business Update December 2020

7 Dec 2020 Etherstack signs $4.1m first stage Australian Defence Contract

29 Oct 2020 Etherstack Trading Update and Appendix 4C

28 Oct 2020 Etherstack commissions Federal Police Digital Radio Network in Canada

20 Oct 2020 Etherstack signs license agreement with TPL Systems

15 Oct 2020 Proposed Issue of Incentive Performance Rights

27 Aug 2020 Appendix 3Y Change of Directors Interest: Peter Stephens

24 Aug 2020 Results for the half year 30 June 2020

13 July 2020 Shareholder Presentation Slides

9 July 2020 Appendix 4C and Trading Update

8 July 2020 Form 604 – Notice of change of interest of substantial holder (Lynton Properties Pty Limited)

7 July 2020 Form 604 – Notice of change of interest of substantial holder (Paul Barnes)

7 July 2020 Form 604 – Notice of change of interest of substantial holder (Peter Stephens)

7 July 2020
Form 604 – Notice of change of interest of substantial holder (David Deacon)

2 July 2020 Appendix 2A – Appplication for quotation of + Securities

30 Jun 2020 Additional information: Global Teaming Agreement with Samsung re 4G/5G Public Safety

30 Jun 2020 Global Teaming Agreement with Samsung re 4G/5G Public Safety

15 Jun 2020 Results of Annual General Meeting

10 Jun 2020 AGM CEO Presentation slides

10 Jun 2020 Participation at online Annual General Meeting

29 Apr 2020 Etherstack plc Trading Update & Appendix 4C

29 Apr 2020 Etherstack plc Annual General Meeting

31 Mar 2020 Key to Disclosures Corporate Governance Council Principles and Recommendations

31 Mar 2020 31 December 2019 financial statements of Etherstack plc (ESK)

19 Mar 2020 AGM date and close date for nominations for Directors

27 Feb 2020 FY2019 Preliminary Results and Appendix 4E

11 Feb 2020 US$1.35m North American Equipment Sale

24 Jan 2020 Etherstack receives digital radio network expansion order

24 Jan 2020 Appendix 4C – Quarterly Report

12 Dec 2016 New US$3 Million Canadian Utility order.

6 Dec 2016 Etherstack Receives Digital Radio Network Expansion order.

14 Oct 2016 Investor presentation slides.

4 Oct 2016 Etherstack Signs NEC Corporation (JAPAN) Licensing Deal

22 Sep 2016 Etherstack Signs USD $2.6 Million 5 Year Support Agreement

1 Sep 2016 Appendix 3B – New issue announcement, application for quotation of additional securities and agreement.

31 Aug 2016 Appendix 3Y – Change of Director’s Interest Notice (Peter Stephens).

29 Aug 2016 Appendix 4D – Half Year Report.

11 Aug 2016 Appendix 3B – New issue announcement, application for quotation of additional securities and agreement.

22 Jul 2016 Notice of initial substantial holder (Lynton Properties Pty Limited).

19 Jul 2016 Etherstack and CML Collaborate on DMR Tier 2 and Tier 3

15 Jul 2016 Notice of initial substantial holder (Lynton Properties Pty Limited).

12 Jul 2016 Notice of initial substantial holder (Peter Stephens).

12 Jul 2016 Change in substantial holding (David Deacon).

12 Jul 2016 Change in substantial holding (Paul Barnes).

11 Jul 2016 Entitlements Shortfall issue raises further $3.8M

8 Jul 2016 Appendix 3Y – Change of Director’s Interest Notice (Peter Stephens).

8 Jul 2016 Appendix 3B – New issue announcement, application for quotation of additional securities and agreement.

27 Jun 2016 Results of Annual General Meeting

20 Jun 2016 2016 Revenue Guidance

20 Jun 2016 Investor Presentation

31 May 2016 Etherstack PLC Annual General Meeting

25 May 2016 Etherstack Appoints DJ Carmichael as Corporate Advisor.

10 May 2016 Notice of ceasing to be a substantial holder (Giga Palace Limited).

9 May 2016 Change in substantial holding (Paul Barnes).

9 May 2016 Change in substantial holding (David Deacon).

4 May 2016 Shareholder Update

4 May 2016 Appendix 3Y – Change of Director’s Interest Notice (Peter Stephens).

4 May 2016 Appendix 3Y – Change of Director’s Interest Notice (Paul Barnes).

4 May 2016 Appendix 3Y – Change of Director’s Interest Notice (David Deacon).

4 May 2016 Update on Etherstack PLC Entitlements Issue

28 Apr 2016 Maiden Contract win with Australian Dept. of Defence and new US Police Force order

20 Apr 2016 Material increase in Royalty revenues and update on significant contract with blue chip US utility company

6 Apr 2016 Entitlement Issue Prospectus

6 Apr 2016 Appendix 3B – New issue announcement, application for quotation of additional securities and agreement.

4 Apr 2016 Etherstack Announces AUD$3.2 M Strategic Contract

31 Mar 2016 Appendix 4G – Corporate Governance Council Principles and Recommendations

31 Mar 2016 Annual Report to Shareholders

20 Mar 2016 NSW State Emergency Service Tactical Radio Network Award

3 Mar 2016 Results of Annual General Meeting

29 Feb 2016 Appendix 4E – Preliminary Final Report.

11 Feb 2016 Notice of General Meeting/Proxy Form

20 Jan 2016 Etherstack Proposed A$9.6 Million Capital Raise, Draft Results for2015 and Forecast Results for 2016

19 Dec 2014 Etherstack Trading Update – Revenue up 37%.

17 Dec 2014 Etherstack signs $1.5m Wireless Technology Licensing Deal.

10 Dec 2014 Etherstack supplies test Equipment to US NIST.

2 Oct 2014 Etherstack Wins US Nuclear Facility Radio Network Deal

1 Oct 2014 Combined Contract Wins Over $2m

29 Aug 2014 Appendix 4D – Half Year Report

30 Jul 2014 Appendix 3Y – Change of Director’s Interest Notice (Paul Barnes).

30 Jul 2014 Appendix 3Y – Change of Director’s Interest Notice (Peter Stephens).

30 Jul 2014 Appendix 3Y – Change of Director’s Interest Notice (Scott W Minehane).

30 Jul 2014 Appendix 3B – New issue announcement, application for quotation of additional securities and agreement.

11 Jul 2014 Appendix 3Y – Change of Director’s Interest Notice (Peter Stephens).

4 Jul 2014 Etherstack Wins Australian Mining Radio Network Expansion

2 Jul 2014 Appendix 3Y – Change of Director’s Interest Notice (Peter Stephens).

25 Jun 2014 Appendix 3B – New issue announcement, application for quotation of additional securities and agreement.

24 Jun 2014 Results of Annual General Meeting

23 Jun 2014 AGM Shareholder Presentation

12 Jun 2014 Etherstack Signs Canadian Technology Deal

29 May 2014 Notice of Annual General Meeting/Proxy Form

11 Apr 2014 Etherstack signs technology deal with Israeli defence company

31 Mar 2014 Financial Report for the year ended 31 December 2013

19 Mar 2014 Etherstack wins Australian Federal Police equipment supply contract

28 Feb 2014 Preliminary Final Report

6 Feb 2014 Notification of change in auditor

24 Jan 2014 Legal Action involving Etherstack US subsidiary