Rua Bioscience Limited — Major Shareholding Notification 2023

Oct 10, 2023

DISCLOSURE OF MOVEMENT OF 1% OR MORE IN SUBSTANTIAL HOLDING OR CHANGE IN NATURE OF RELEVANT INTEREST, OR BOTH

Sections 277 and 278, Financial Markets Conduct Act 2013

• To: NZX Limited

and

• To: Rua Bioscience Limited ( Rua )

Relevant event being disclosed: Movement of 1% or more in the substantial holding

Date of relevant event: 9 October 2023

Date this disclosure made: 9 October 2023

Date last disclosure made: 18 March 2022

Substantial product holder(s) giving disclosure

Full name(s): Hikurangi Enterprises Limited ( HEL )

Summary of substantial holding

Class of quoted voting products: Ordinary shares in Rua (NZX code: RUA)

Summary for HEL

For this disclosure:

• (a) total number held in class: 10,532,620

• (b) total in class: 158,136,265

• (c) total percentage held in class: 6.66%

For last disclosure:

• (a) total number held in class: 8,132,620

• (b) total in class: 149,879,267

• (c) total percentage held in class: 5.43%

Details of transactions and events giving rise to relevant event

Details of the transactions or other events requiring disclosure:

• Date of transaction: 9 October 2023

• Nature of transaction: Off-market acquisition of shares in Rua by HEL pursuant to a sale and purchase deed between HEL (as purchaser) and Hikurangi Bioactives Limited Partnership (as vendor)

• Total consideration: NZD 264,000

• Total number of shares in Rua acquired: 2,400,000

1

Details after relevant event

Details for HEL

Nature of relevant interest(s): Registered holder and beneficial owner of shares in Rua

For that relevant interest:

• (a) number held in class: 10,532,620

• (b) percentage held in class: 6.66%

• (c) current registered holders (prior to transfer): HEL (as to 8,132,620 shares) and HBLP (as to 2,400,000 shares)

• (d) registered holder once transfer is registered: HEL

Additional information

Address(es) of substantial product holder(s): Mateawa Keelan, 6464 Waiapu Road, Rd 1, Ruatoria, 4081, New Zealand

Contact details: Mateawa Keelan at mateawa@hikurangi.enterprises

Name of any other person believed to have given, or believed to be required to give, a disclosure under the Financial Markets Conduct Act 2013 in relation to the financial products to which this disclosure relates: N/A

Certification

I, Panapa Ehau, 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.

2