AGUNG CAHYONO

Chief Executive Officer PT OSA INDUSTRIES INDONESIA.

NATIONALITY / AGE /GENDER
Indonesian / 54 / Male

DATE OF APPOINTMENT
1 July 2025

ACADEMIC / PROFESSIONAL QUALIFICATIONS

Bachelor of Engineering in Electronics Engineering, Institute Technology of Sepuluh November (ITS), Indonesia

WORKING EXPERIENCE
Mr. Agung Cahyono brings over 28 years of distinguished experience in the oil and gas industry, demonstrating proven expertise in business development, sales, marketing, and strategic leadership across Southeast Asia. Prior to his current role at PT OSA Industries Indonesia, he held senior leadership positions at several reputable organizations, including Schlumberger Oilfield Services, PT Elnusa Drilling Services, PT Chartered Oiltech Indonesia (DOJO – Dahana Oiltech Join Operation), PT Perforindo Teknika Nusantara (Owen Oil Tools-Indonesia), PT Truelogs Geo Energi, and most recently, TGT Diagnostics Sdn. Bhd.

PRESENT DIRECTORSHIP
(i) Listed Entity: Nil
(ii) Other Public Companies: Nil

Sheikh Muzafar Shahrizan Bin Mustafah

Chief Executive Officer Deleum Oilfield Services Sdn. Bhd.

NATIONALITY / AGE /GENDER
Malaysian / 49 / Male

DATE OF APPOINTMENT
26 May 2025

ACADEMIC / PROFESSIONAL QUALIFICATIONS

Master in Business Administration Putra Business School, University Putra Malaysia,Serdang Malaysia

WORKING EXPERIENCE
24 years of extensive experience in both international and domestic upstream oil and gas services.
Prior to joining us, he held the position of Chief Strategy Officer in Neu Dimension Sdn Bhd, overseeing operations across Slickline, Eline, Coiled Tubing, and other services.
He has also worked with global companies such as Schlumberger, gaining broad exposure across the Middle East, Europe, and Asia.

PRESENT DIRECTORSHIP
(i) Listed Entity: Nil
(ii) Other Public Companies: Nil

Zamani bin Abd Ghani

Chief Executive Officer

NATIONALITY / AGE /GENDER
Malaysian / 53 / Male

DATE OF APPOINTMENT
4 June 2024

ACADEMIC / PROFESSIONAL QUALIFICATIONS

Bachelor of Engineering (Mechanical) University of Wollongong, Australia

WORKING EXPERIENCE
Joined Deleum Services Sdn. Bhd. in 2024 as Chief Executive Officer.
Prior to joining Deleum Services Sdn. Bhd., he worked as the Chief Executive Officer at OGPC Sdn. Bhd.

Winner for ‘Highest Return on Equity Over Three Years’, 'Highest Growth in Profit After Tax Over Three Years’ and ‘Highest Returns to Shareholders Over Three Years’ under the Energy sector.

Suliana Binti Rosli

Senior General Manager - Group Corporate Services/Company Secretary

NATIONALITY / AGE /GENDER
Malaysian / 50 / Female

DATE OF APPOINTMENT
7 November 2022

ACADEMIC / PROFESSIONAL QUALIFICATIONS

Bachelor of Laws. University of Hull, United Kingdom

Associate Member of The Malaysian Institute of Chartered Secretaries and Administrators (MAICSA)

WORKING EXPERIENCE
Joined Deleum in June 2022 as General Manager - Group Corporate Services
Prior to joining Deleum. she served as the Senior Legal Manager and Company Secretary for HSS Engineers Berhad.