Rua Bioscience Limited — Share Issue/Capital Change 2025

Sep 11, 2025

Capital Change Notice

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Section 1: Issuer information
Name of issuer	Rua Bioscience Limited
NZX ticker code	RUA
Class of financial product	Ordinary shares
ISIN (If unknown, check on NZX website)	NZRUAE0004S1
Currency	NZ$
Section 2: Capital change details
Number issued/acquired/redeemed	167,736 warrants
Nominal value (if any)	N/A
Issue/acquisition/redemption price per security	$0.015
Nature of the payment (for example, cash or other consideration)	No consideration is payable for the warrants. Cash consideration of $0.015 per share is payable on exercise of the warrants
Amount paid up (if not in full)	Paid in full on exercise of the warrant
Percentage of total class of Financial Products issued/acquired/redeemed/ (calculated on the number of Financial Products of the Class, excluding any Treasury Stock, in existence)1	Rua currently has 238,448,011 ordinary shares on issue and 5,423,465 warrants on issue. This issue of warrants represents 0.07% of the total ordinary shares plus warrants on issue (being the percentage should all warrants vest and be exercised).
For an issue of Convertible Financial Products or Options, the principal terms of Conversion (for example the Conversion price and Conversion date and the ranking of the Financial Product in relation to other Classes of Financial Product) or the Option (for example, the exercise price and exercise date)	Vesting will occur 12 months following the Issue/Commencement Date after which the warrants are able to be converted/exercised to ordinary shares up to the Maturity Date which is 3 years following the Issue/Commencement Date.
Reason for issue/acquisition/redemption and specific authority for issue/acquisition/redemption/ (the reason for change must be identified here)	Issue of warrants as per Board Resolution regarding debt facility arrangement.
Total number of Financial Products of the Class after the issue/acquisition/redemption/Conversion (excluding Treasury Stock) and the total number of Financial Products of the Class held as Treasury Stock after the issue/acquisition/redemption.	Total ordinary shares on issue: 238,448,011 ordinary shares Total warrants on issue: 5,591,201 warrants

1 The percentage is to be calculated immediately before the issue, acquisition, redemption or Conversion.

In the case of an acquisition of shares, whether those shares are to be held as treasury stock	N/A
Specific authority for the issue, acquisition, or redemption, including a reference to the rule pursuant to which the issue, acquisition, or redemption is made	Board resolution and Listing Rule 4.5.1
Terms or details of the issue, acquisition, or redemption (for example: restrictions, escrow arrangements)	The warrants are issued as part of a Debt Facility arrangement. Vesting will occur 12 months following the Issue/Commencement Date after which the warrants are able to be converted to ordinary shares up to the Maturity Date which is 3 years following the Issue/Commencement Date. New ordinary shares issued upon exercise of the warrants will rank equally in all respects with the ordinary shares already on issue.
Date of issue/acquisition/redemption	10/09/2025
Section 3: Authority for this announcement and contact person
Name of person authorised to make this announcement	Paul Naske
Contact person for this announcement	Paul Naske
Contact phone number	021 445 154
Contact email address	Paul.naske@ruabio.com
Date of release through MAP	11/09/2025