ATOMO DIAGNOSTICS LIMITED — Major Shareholding Notification 2023

May 14, 2023

604 page 1/2 15 July 2001

Form 604

Corporations Act 2001 Section 671B

Notice of change of interests of substantial holder

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----- Start of picture text ----- To Company Name/Scheme AT1 - ATOMO DIAGNOSTICS LIMITEDACN/ARSN 142 925 684----- End of picture text -----

1. Details of substantial holder(1)

Name GZ FAMILY HOLDINGS PTY LTD ATF GZ FAMILY TRUST ACN/ARSN (if applicable) 641 991 415

There was a change in the interests of the substantial holder on 08 05 / / 2023 The previous notice was given to the company on 13 / / 04 2023 The previous notice was dated 27 04 2023 / /

2. Previous and present voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows:

Class of securities (4)	Previous notice		Present notice
	Person's votes	Voting power (5)	Person's votes	Voting power (5)
Ordinary shares	29,118,147	5.10%%	35,398,744	6.20%

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows:

Date of	Person whose	Nature of	Consideration	Class and	Person's votes
change	relevant interest	change (6)	given in relation	number of	affected
	changed		to change (7)	securities
				affected
	As per Annexure A

4. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

	Holder of	Registered	Person entitled	Nature of	Class and	Person's votes
	relevant	holder of	to be registered	relevant	number of
	interest	securities	as holder (8)	interest (6)	securities
GZ FAMILYTRUST		GZ FAMILYHOLDINGS PTY LTD	GZ FAMILYHOLDINGS PTY LTD	35,398,744	35,398,744	35,398,744

604 page 2/2 15 July 2001

5. ChangesThe persons winterests in th6. AddresseThe addresses	eprint namecapacitysign heredate//in associationho have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to votinge company or scheme are as follows:Name and ACN/ARSN (if applicable)Nature of associationsof persons named in this form are as follows:NameAddressDIRECTIONSere are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of anty trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred toughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the.the definition of "associate" in section 9 of the Corporations Act 2001.the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.voting shares of a company constitute one class unless divided into separate classes.person's votes divided by the total votes in the body corporate or scheme multiplied by 100.de details of:any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of anydocument setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme orarrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; andany qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities towhich the relevant interest relates (indicating clearly the particular securities to which the qualification applies).the definition of "relevant agreement" in section 9 of the Corporations Act 2001.ils of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`eled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must beded of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whomrelevant interest was acquired.e substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".details, if appropriate, of the present association and any change in that association since the last substantial holding notice.Not applicableGZ FAMILY HOLDINGS PTY LTD35 CORONA STREET BOX HILL NSW 2765QIXIN GAODIRECTOR15 05 2023	eprint namecapacitysign heredate//in associationho have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to votinge company or scheme are as follows:Name and ACN/ARSN (if applicable)Nature of associationsof persons named in this form are as follows:NameAddressDIRECTIONSere are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of anty trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred toughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the.the definition of "associate" in section 9 of the Corporations Act 2001.the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.voting shares of a company constitute one class unless divided into separate classes.person's votes divided by the total votes in the body corporate or scheme multiplied by 100.de details of:any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of anydocument setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme orarrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; andany qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities towhich the relevant interest relates (indicating clearly the particular securities to which the qualification applies).the definition of "relevant agreement" in section 9 of the Corporations Act 2001.ils of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`eled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must beded of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whomrelevant interest was acquired.e substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".details, if appropriate, of the present association and any change in that association since the last substantial holding notice.Not applicableGZ FAMILY HOLDINGS PTY LTD35 CORONA STREET BOX HILL NSW 2765QIXIN GAODIRECTOR15 05 2023	eprint namecapacitysign heredate//in associationho have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to votinge company or scheme are as follows:Name and ACN/ARSN (if applicable)Nature of associationsof persons named in this form are as follows:NameAddressDIRECTIONSere are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of anty trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred toughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the.the definition of "associate" in section 9 of the Corporations Act 2001.the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.voting shares of a company constitute one class unless divided into separate classes.person's votes divided by the total votes in the body corporate or scheme multiplied by 100.de details of:any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of anydocument setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme orarrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; andany qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities towhich the relevant interest relates (indicating clearly the particular securities to which the qualification applies).the definition of "relevant agreement" in section 9 of the Corporations Act 2001.ils of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`eled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must beded of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whomrelevant interest was acquired.e substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".details, if appropriate, of the present association and any change in that association since the last substantial holding notice.Not applicableGZ FAMILY HOLDINGS PTY LTD35 CORONA STREET BOX HILL NSW 2765QIXIN GAODIRECTOR15 05 2023
	Name		Address
	GZ FAMILY HOLDINGS PTY LTD		35 CORONA STREET BOX HILL NSW 2765
Signatur(1)If thequithroform(2)See(3)See(4)The(5)The(6)Inclu(a)(b)See(7)Detaentitincluthe(8)If th(9)Give

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

6. Addresses

The addresses of persons named in this form are as follows:

Signature

• (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the form.

• (2) See the definition of "associate" in section 9 of the Corporations Act 2001.

• (3) See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.

• (4) The voting shares of a company constitute one class unless divided into separate classes.

• (5) The person's votes divided by the total votes in the body corporate or scheme multiplied by 100.

• (6) Include details of:

  • (a) any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and

  • (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies).

  • See the definition of "relevant agreement" in section 9 of the Corporations Act 2001.

• (7) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`e entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired.

• (8) If the substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".

• (9) Give details, if appropriate, of the present association and any change in that association since the last substantial holding notice.

Annexure A

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