Bursa Announcement

Changes in Sub. S-hldr’s Int (Section 138 of CA 2016) – DATO’ SERI LIM YEONG SEONG

Changes in Director’s Interest (Section 219 of CA 2016) – DATO’ SERI LIM YEONG SEONG

Changes in Director’s Interest (Section 219 of CA 2016) – MR CHIN JIUNN SHYONG

Changes in Sub. S-hldr’s Int (Section 138 of CA 2016) – MR CHIN JIUNN SHYONG

DEALINGS IN LISTED SECURITIES (CHAPTER 14 OF LISTING REQUIREMENTS) : Dealings Outside Closed Period

Additional Listing Announcement /Subdivision of Shares

Quarterly rpt on consolidated results for the financial period ended 31/08/2025

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – UPDATES ON THE MEMORANDUM OF UNDERSTANDING BETWEEN PUBLIC BANK BERHAD AND JATI TINGGI HOLDING SDN BHD, A WHOLLY-OWNED SUBSIDIARY OF THE COMPANY

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – QUARTERLY UPDATES ON THE STATUS OF UTILISATION OF PROCEEDS RAISED FROM THE PRIVATE PLACEMENT EXERCISE COMPLETED ON 15 AUGUST 2025 (“PRIVATE PLACEMENT”)

Additional Listing Announcement /Subdivision of Shares

Changes in Director’s Interest (Section 219 of CA 2016) – DATO’ SERI LIM YEONG SEONG

Changes in Sub. S-hldr’s Int (Section 138 of CA 2016) – DATO’ SERI LIM YEONG SEONG

DEALINGS IN LISTED SECURITIES (CHAPTER 14 OF LISTING REQUIREMENTS) : Dealings During Closed Period

Additional Listing Announcement /Subdivision of Shares

Appointment of External Auditors

CHANGE OF EXTERNAL AUDITORS

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by YM Teras Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

Changes in Director’s Interest (Section 219 of CA 2016) – MADAM LOO MAY LEN

DEALINGS IN LISTED SECURITIES (CHAPTER 14 OF LISTING REQUIREMENTS) : Dealings Outside Closed Period

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) (I) PRIVATE PLACEMENT; AND (II) ESOS (COLLECTIVELY REFERRED TO AS THE “PROPOSALS”)

Additional Listing Announcement /Subdivision of Shares

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) (I) PRIVATE PLACEMENT; AND (II) ESOS (COLLECTIVELY REFERRED TO AS THE “PROPOSALS”)

Changes in Director’s Interest – Mr Chin Jiunn Shyong

Changes in Sub. S-hldr’s Interest – Dato’ Seri Lim Yeong Seong

Changes in Sub. S-hldr’s Interest – Mr Chin Jiunn Shyong

Changes in Sub. S-hldr’s Interest – Madam Lim Ming Hong

Changes in Director’s Interest – Dato’ Seri Lim Yeong Seong

Dealings Outside Closed Period

Consolidated results for financial period ended 31/05/2025

JTGB – Private Placement and ESOS (Collectively the “Proposals”)

Acceptance of Letter of Award by Pintar Gembira Sdn Bhd to Jati Tinggi Holding Sdn Bhd

Receipt of Letter of Acceptance from TNB to Jati Tinggi Holding – Worktime Engineering JV

Acceptance of Letter of Award from Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd

JTGB – Private Placement and ESOS (Collectively the “Proposals”)

Updates on MOU between Public Bank Berhad and Jati Tinggi Holding Sdn Bhd

Offer of Options under Employees’ Share Option Scheme (ESOS)

JTGB – Private Placement and ESOS (Collectively the “Proposals”)

Outcome of Meeting

Receipt of Letter of Acceptance from TNB to Jati Tinggi Holding – Idiqa Holding JV

Consolidated results for financial period ended 28/02/2025

Acceptance of Letter of Award from Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd

Proposed renewal of shareholders’ mandate for recurrent related party transactions

Annual Report & CG Report 2024

Receipt of Letter of Acceptance from TNB to Jati Tinggi Holding Sdn Bhd

Notice of Meeting

Private Placement and ESOS (Collectively the “Proposals”)

Proposed Renewal of Shareholders’ Mandate for RRPT

Consolidated results for financial period ended 30/11/2024

Outcome of Meeting

Receipt of Letter of Acceptance from TNB to Jati Tinggi Holding Sdn Bhd

Notice of Meeting

Proposed Private Placement and Proposed ESOS

MOU between Public Bank Berhad and Jati Tinggi Holding Sdn Bhd

Proposed Private Placement and Proposed ESOS

Proposed Private Placement and Proposed ESOS

Consolidated results for financial period ended 31/08/2024

Acceptance of Letter of Award from Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd

Change of Company Secretary – Tai Yuen Ling

Change of Company Secretary – KHOO MING SIANG

Change of Company Secretary – LAW WEI LENG

Change of Company Secretary – TAI YIT CHAN

Change of Address

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by YM Teras Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by YM Teras Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

JATI TINGGI GROUP BERHAD (“JTGB” OR “COMPANY”) – Acceptance of Letter of Award issued by Gamuda Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by Gamuda Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company

Quarterly rpt on consolidated results for the financial period ended 31/05/2024

JATI TINGGI GROUP BERHAD (“JTGB” OR THE “COMPANY”) – Acceptance of Letter of Award issued by Worktime Engineering Sdn Bhd to Jati Tinggi Holding Sdn Bhd, a wholly-owned subsidiary of the Company