Rua Bioscience Limited — Director's Dealing 2025

Aug 20, 2025

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Ongoing Disclosure Notice

Disclosure of Directors and Senior Managers Relevant Interests

Sections 297(2) and 298(2), Financial Markets Conduct Act 2013

To NZX Limited; and Name of listed issuer: Date this disclosure made: Date of last disclosure:

Director or senior manager giving disclosure

Full name(s): Name of listed issuer: Name of related body corporate (if applicable): Position held in listed issuer:

Rua Bioscience Limited (Rua) 20-Aug-25 9-Jun-25 Antony Barclay Rua N/A Director

Summary of acquisition or disposal of relevant interest (excluding specified derivatives)

Class of affected quoted financial products: Nature of the affected relevant interest(s):

Ordinary shares Shareholder

For that relevant interest-

Number held in class before acquisition or disposal: Number held in class after acquisition or disposal: Current registered holder(s): Registered holder(s) once transfers are registered:

1,739,376 2,139,376 N/A - new issue of shares Antony Barclay

Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)

Type of affected derivative:

Class of underlying financial products:

Warrants Ordinary Shares

Details of affected derivative-

The notional value of the derivative (if any) or the notional amount of underlying financial products (if any):

A statement as to whether the derivative is cash settled or physically settled:

Maturity date of the derivative (if any): Expiry date of the derivative(if any): The price specified in the terms of the derivative (if any):

Any other details needed to understand how the amount of the consideration payable under the derivative or the value of the derivative is affected by the value of the underlying financial products:

For that derivative,- Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

100,642 warrants. This issue of warrants represents 0.041% of the total ordinary shares and warrants on issue (being the percentage should all warrants vest and be exercised). At $0.015 warrant price is $1509.63 No consideration is payable for the warrants. Cash consideration of $0.015 per share is payable on exercise of the warrants 14/08/2028 14/08/2028 $0.015 per warrant N/A Antony Barclay N/A

Details of transactions giving rise to acquisition or disposal

Total number of transactions to which notice relates:

Two transactions 1 transaction related to issue of 400,000 shares 1 transaction related to issue of 100,642 warrants

Details of transactions requiring disclosure-

Date of transaction:		15‐Aug‐25
Nature of transaction:		Issue of shares @ $0.03 per share Issue of warrants@ $0.015per warrant
Name of anyotherpartyorparties to the transaction(if known):		Rua Bioscience Limited
The consideration, expressed in New Zealand dollars, paid or received for the acquisition or disposal. If the consideration was not in cash and cannot be readily by converted into a cash value, describe the consideration:		$30,000 ‐ $12,000 relating to the issue of ordinary shares and $18,000 relating to the debt facility.
Number of financial products to which the transaction related:		400,000 shares 100,642 warrants
If the issuer has a financial products trading policy that prohibits directors or senior managers from trading during any period without written clearance (a closed period) include the following details—
Whether relevant interests were acquired or disposed of duringa closedperiod:		Yes
Whether prior written clearance was provided to allow the acquisition or disposal to proceed duringthe closedperiod:		Yes
Date of the prior written clearance(if any):		14/08/2025
Summary of other relevant interests after acquisition or disposal: Class ofquoted financialproducts: Nature of relevant interest: For that relevant interest,- Number held in class: Current registered holder(s): For a derivative relevant interest,- Type of derivative: Details of derivative,-
		OrdinaryShares
		Registered Holder
		2,139,376
		AntonyBarclay
		Warrants
The notional value of the derivative (if any) or the notional amount of underlying financial products (if any):		100,642 warrants. This issue of warrants represents 0.041% of the total ordinary shares and warrants on issue (being the percentage should all warrants vest and be exercised). At $0.015 warrant price is $1509.63
A statement as to whether the derivative is cash settled or physically settled:		No consideration is payable for the warrants. Cash consideration of $0.015 per share is payable on exercise of the warrants
Maturity date of the derivative (if any):		14/08/2028
Expiry date of the derivative (if any):		14/08/2028
The price's specified terms (if any):		$0.015per warrant
Any other details needed to understand how the amount of the consideration payable under the derivative or the value of the derivative is affected by the value of the underlyingfinancialproducts:		N/A
For that derivative relevant interest,-
Parties to the derivative:		AntonyBarclay
If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:		N/A
Certification I, certify that, to the best of my knowledge and belief, the information contained in this disclosure is correct and that I am duly authorised to make this disclosure by all persons for whom it is made. Signature of person authorised to sign on behalf of director or officer: Date of signature: Name and title of authorisedperson:
I, certify that, to the best of my knowledge and belief, the information contained in this disclosure is correct and that I am duly authorised to make this disclosure by all persons for whom it is made.
Signature of person authorised to sign on behalf of director or officer:
Date of signature:		20/08/2025
Name and title of authorisedperson:		Paul Naske,CEO