EBR SYSTEMS INC. — Director's Dealing 2026

May 13, 2026

Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ARBN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Allan Will
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Direct and indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	Taphne Lux
(Taphne Lux is the partner of Allan Will)
Date of change	7 May 2026
No. of securities held prior to change	Direct
• 5,995,724 CDIs
• 292,735 Options to acquire the same number of shares of common stock in the Company
• 25,003 Warrants

Indirect (Taphne Lux)
• 600,000 CDIs |
| Class | Options (unquoted) |
| Number acquired | 42,106 |
| Number disposed | |

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	N/A
No. of securities held after change	Direct • 5,995,724 CDIs • 334,841 Options to acquire the same number of shares of common stock in the Company • 25,003 Warrants Indirect (Taphne Lux) • 600,000 CDIs
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y
Change of Director's Interest Notice

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.
  01/01/2011 Appendix 3Y Page 3

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Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ARBN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	John McCutcheon
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.
Date of change	7 May 2026
No. of securities held prior to change	10,910 Shares of Common Stock
1,255,162 Options to acquire the same number of shares of common stock in the Company.
Class	Options (unquoted)
Number acquired	188,462
Number disposed
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

| No. of securities held after change | 10,910 Shares of Common Stock
1,443,624 Options to acquire the same number of shares of common stock in the Company. |
| --- | --- |
| Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back | Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026. |

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change
Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration
Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – ${}^{+}$ Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y
Change of Director's Interest Notice

If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.
  01/01/2011 Appendix 3Y Page 3

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Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ARBN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Karen Drexler
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.
Date of change	7 May 2026
No. of securities held prior to change	62,169 Options to acquire the same number of shares of common stock in the Company.
Class	Options (unquoted)
Number acquired	34,211
Number disposed
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	N/A
No. of securities held after change	96,380 Options to acquire the same number of shares of common stock in the Company.

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – ${}^{+}$ Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ARBN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Trevor Moody
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Direct and indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	M.H. Carnegie & Co Pty Ltd *
Australian Medtech Services Pty Ltd (AMS)**
Date of change	7 May 2026
No. of securities held prior to change
M.H. Carnegie & Co Pty Ltd (MHC)
*Warrants held by MHC on behalf of Trevor Moody.
Australian Medtech Services Pty Ltd (AMS)
** Trevor Moody is not a director of AMS, however, his management consultancy, TM Strategic Advisors LLC, is a shareholder of AMS.	52,159 Options
85,402 Warrants
10,010 Options to acquire the same number of shares of common stock in the Company.
Class	Options (unquoted)
Number acquired	34,211

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

Number disposed
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	N/A
No. of securities held after change	86,370 Options
M.H. Carnegie & Co Pty Ltd (MHC)
*Warrants held by MHC.	85,402 Warrants
Australian Medtech Services Pty Ltd (AMS)
** Trevor Moody is not a director of AMS, however, his management consultancy, TM Strategic Advisors LLC, is a shareholder of AMS.	10,010 Options to acquire the same number of shares of common stock in the Company.
Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change
Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration
Note: If consideration is non-cash, provide details and an estimated valuation	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y

Change of Director's Interest Notice

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3

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Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ARBN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	David Steinhaus
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.
Date of change	7 May 2026
No. of securities held prior to change	62,169 Options to acquire the same number of shares of common stock in the Company.
Class	Options (unquoted)
Number acquired	34,211
Number disposed
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	N/A
No. of securities held after change	96,380 Options to acquire the same number of shares of common stock in the Company.

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – ${}^{+}$ Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ABN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Bronwyn Evans
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Direct and indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	Joint holding (see below)
Date of change	7 May 2026
No. of securities held prior to change	Bronwyn Evans (Direct):
• 10,010 Options to acquire the same number of shares of common stock in the Company (held by Bronwyn Evans)

Joint holding with Mr Peter Douglas Gordon (Indirect):
• 551,579 CDIs
• 17,579 Options to acquire the same number of shares of common stock in the Company. |
| Class | Options (unquoted) |

• See chapter 19 for defined terms.

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Appendix 3Y

Change of Director's Interest Notice

Number acquired	34,211 Options (held jointly with Mr. Peter Douglas Gordon)
Number disposed
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	N/A
No. of securities held after change	Bronwyn Evans (Direct):
• 10,010 Options to acquire the same number of shares of common stock in the Company (held by Bronwyn Evans)

Joint holding with Mr Peter Douglas Gordon (Indirect):
• 551,579 CDIs
• 51,790 Options to acquire the same number of shares of common stock in the Company. |
| Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back | Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026. |

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y

Change of Director's Interest Notice

Part 3 – +Closed period

Wee the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3

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Appendix 3Y

Change of Director's Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director's Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX's property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity	EBR Systems, Inc.
ARBN	654 147 127

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Christopher Nave
Date of last notice	14 April 2026

Part 1 - Change of director's relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of "notifiable interest of a director" should be disclosed in this part.

Direct or indirect interest	Indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	MRCF BTF Service (BCPIT) Pty Ltd as trustee for the MRCF BTF (BCP Investment) Trust*
Date of change	7 May 2026
No. of securities held prior to change
MRCF BTF Service (BCPIT) Pty Ltd as trustee for the MRCF BTF (BCP Investment) Trust
*Christopher Nave has a beneficial interest in MRCF BTF (BCP Investment) Trust	62,169 Options to acquire the same number of shares of common stock in the Company.
Class	Options (unquoted)
Number acquired	34,211
Number disposed
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	N/A

• See chapter 19 for defined terms.

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Appendix 3Y

Change of Director's Interest Notice

No. of securities held after change MRCF BTF Service (BCPIT) Pty Ltd as trustee for the MRCF BTF (BCP Investment) Trust *Christopher Nave has a beneficial interest in MRCF BTF (BCP Investment) Trust	96,380 Options to acquire the same number of shares of common stock in the Company.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Issue of Options pursuant to stockholder approval granted at the Annual Meeting held on 7 May 2026. Option terms are detailed in the Notice of Meeting / Proxy Statement released to ASX on 27 March 2026.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – ${}^{+}$ Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y
Change of Director's Interest Notice

If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.
  01/01/2011 Appendix 3Y Page 3