BIOTRON LIMITED — Director's Dealing 2020

Jan 21, 2020

==> picture [230 x 36] intentionally omitted <==

Level 2, 66 Hunter Street Sydney NSW 2000 Tel: (61-2) 9300 3344 Fax: (61-2) 9221 6333 E-mail: pnightingale@biotron.com.au Website: www.biotron.com.au

22 January 2020

The Manager Companies ASX Limited 20 Bridge Street SYDNEY NSW 2000

(3 pages by email)

Dear Madam,

DIRECTORS’ INTERESTS

In accordance with Listing Rule 3.19A, I attach an Appendix 3Y, Change of Director's Interest Notice, for Robert Thomas.

Yours sincerely

==> picture [91 x 60] intentionally omitted <==

Peter J. Nightingale Company Secretary

pjn10234

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	entityBIOTRON LIMITED
ABN		60 086 399 144

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	Robert B. THOMAS
Date of last notice	3 December 2018

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.

==> picture [455 x 342] intentionally omitted <==

----- Start of picture text ----- Direct or indirect interest Indirect.Nature of indirect interest Robert Thomas and Kyrenia Thomas <Rob(including registered holder)Thomas Super Fund A/C> in which RobertNote: Provide details of the circumstances giving rise to the relevantinterest. Thomas has an interest.Date of change 22 January 2020.No. of securities held prior to change 2,663,195 fully paid ordinary shares held byRobert Thomas and Kyrenia Thomas <RobThomas Super Fund A/C>.Class Fully paid ordinary shares.Number acquired 1,000,000.Number disposed Nil.Value/Consideration $50,000.00.Note: If consideration is non-cash, provide details and estimatedvaluation.No. of securities held after change 3,663,195 fully paid ordinary shares held byRobert Thomas and Kyrenia Thomas <RobThomas Super Fund A/C>.Nature of change Off market purchase.Example: on-market trade, off-market trade, exercise of options,issue of securities under dividend reinvestment plan, participation inbuy-back.----- End of picture text -----

Appendix 3Y Change of Director’s Interest Notice

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.

==> picture [455 x 292] intentionally omitted <==

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

Part 3 –[+] Closed period

Were the interests in the securities orcontracts detailed above traded during a+closed period where prior writtenclearance was required?	No.
If so, was prior written clearanceprovided to allow the trade to proceedduring this period?	N/A.
If prior written clearance was provided,on what date was thisprovided?	N/A.

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011