AUMAS RESOURCES BERHAD — Board/Management Information 2026

May 3, 2026

Change in Principal Officer

AUMAS RESOURCES BERHAD

Date of change	01 May 2026
Name	MR CHONG TZU KHEN
Age	68
Gender	Male
Nationality	Malaysia
Type of change	Appointment
Designation	Chief Executive Officer

Qualifications

No	Qualifications	Major/Field of Study	Institute/University	Additional Information
	Masters	Master of Financial Planning	University of Sunshine Coast, Queensland, Australia
	Degree	Post-Graduate Certificate in Sustainable Aquaculture	University of St. Andrews, Scotland
	Diploma	Undergraduate Certificate in Sustainable Aquaculture	University of St. Andrews, Scotland

Working experience and occupation

Mr. Chong Tzu Khen (Mr. Chong) was appointed as Executive Director and Chief Executive Officer of AuMAS Resources Berhad (AuMAS) (fka Bahvest Resources Berhad) on 26 May 2023 and 31 May 2023 respectively. He subsequently resigned from both positions on 31 July 2025.

Mr. Chong was the director of Wullersdorf Resources Sdn. Bhd., a wholly owned subsidiary of AuMAS. He was also the Finance Manager of AuMAS and its group of companies. He is a director of Wullersdorf Resources II Sdn. Bhd. and the managing director of Teguh Niagamaju Sdn. Bhd. He was appointed as a Committee to the Advisory Board of Polytechnic Sandakan, Sabah for a term of two years on 12 October 2017. He obtained a Post-Graduate Certificate in Sustainable Aquaculture (Vertebrates) and an Undergraduate Certificate in Sustainable Aquaculture from University of St. Andrews, Scotland, UK on 10 April 2018 and 1 May 2014 respectively and the degree of Master of Financial Planning (MFP) from University of Sunshine Coast, Queensland on 18 May 2007. Mr. Chong is a Fellow member of Malaysian Association of Company Secretaries (MACS) and he was granted a certificate of practice by MACS on 10 October 2017. He was attached to P.L.Yap & Co., a firm of Public Accountants from 1976 to 1980 as an Audit Assistant. In 1980, he joined Jetniyo Sdn. Bhd. as an Accounts Executive. In 1985, he set up his own Company under the name of T.K.Chong Commercial Services, a firm of providing bookkeeping service to Companies in Sandakan. In 1995, he joined Cepatwawasan Sdn. Bhd. as a Company Secretary and Account in charge for the group of companies. From 2001 to February 2004, he was promoted to the Personal Assistant to the Managing Director of Cepatwawasan Group Berhad.

Directorships in public companies and listed issuers (if any)

NIL

Family relationship with any director and/or major shareholder of the listed issuer

NIL

Any conflict of interests that he/she has with the listed issuer

NIL

Details of any interest in the securities of the listed issuer or its subsidiaries

Direct Interest - 2,000,000 ordinary shares

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Announcement Info

Company Name	AUMAS RESOURCES BERHAD
Stock Name	AUMAS
Date Announced	04 May 2026
Category	Change in Principal Officer
Reference Number	C04-28042026-00001