Banpu Announces General Offer to Acquire All the Remaining Shares of BPP from Other Shareholders at THB 13.00 per Share Ahead of Shareholders Considering the Amalgamation

  • Other shareholders of BPP may accept the General Offer for a period of 15 business days, from 1 to 23 December 2025 (business days only).

Banpu Public Company Limited is advancing its group restructuring under the next phase of its Energy Symphonics strategy by proceeding with the General Offer to acquire all the remaining shares of Banpu Power Public Company Limited (BPP) from other shareholders with an aim to increase Banpu’s stake in power generation and related businesses and to capture the opportunity to make an investment return from a well-understood business and asset.

Under the restructuring plan, Banpu has already submitted the General Offer document to BPP whereby Banpu intends to acquire all the remaining 650,532,203 shares of BPP, representing approximately 21.34% of BPP’s total issued and outstanding shares at an offer price of THB 13.00 per share, having an aggregate value of up to approximately THB 8,456.92 million (USD 259.51 million)[1]. Banpu will purchase the shares during the period from 1 to 23 December 2025 (business days only), ahead of the Extraordinary General Meeting of Shareholders (EGM) of each of Banpu and BPP scheduled to be held on Thursday, 29 January 2026, to consider and approve the Amalgamation and other related matters. Banpu and BPP will proceed to determine the names of shareholders who shall be entitled to attend the EGMs of both companies on 26 December 2025.

Mr. Sinon Vongkusolkit, Chief Executive Officer of Banpu Public Company Limited, stated that “This restructuring under the Energy Symphonics strategy provides benefits covering structural, strategic, and financial aspects. It is designed to support the transition to electrification and the rise of artificial intelligence (AI), which are driving increased demand for stable energy, especially in industrial and digital infrastructure sectors which require highly efficient and reliable power supply. The General Offer for BPP’s shares reflects Banpu’s confidence in the growth of the Power+ business group, which includes thermal and renewable power generation, and related businesses including battery energy storage systems, energy trading, and gas infrastructure. These are keys to delivering stable and low-carbon energy with the contribution to strong cash flow, and sustainable value for all stakeholders.”

[1] The weighted-average interbank exchange rate as of 28 October 2025 of THB 32.588 per USD 1, as announced by the Bank of Thailand.

For the General Offer, Banpu has appointed Kiatnakin Phatra Securities Public Company Limited as the sole Offer Agent. The shareholders who sell their shares in the General Offer (Offeree) will receive the proceeds net of 0.25% brokerage fee of the General Offer price and value added tax of 7.00% of the brokerage fee within 29 December 2025. Offerees holding share certificates, shares deposited with Thailand Securities Depository (TSD) under Issuer Account, or NVDR are encouraged to submit the General Offer acceptance form and supporting documents to the Offer Agent by 19 December 2025 (the Offer Agent reserves the right to reject the acceptance form if submitted thereafter). However, Offerees who sell BPP shares to Banpu and no longer hold any shares in BPP will not be entitled to attend the EGM of BPP that will be held on 29 January 2026 to consider and approve the Amalgamation and other related matters.

Interested Offerees may consider additional details of the General Offer in the General Offer document per the QR provided below.

Note: QR code to download the General Offer document

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About Banpu

Banpu Public Company Limited is a versatile energy company, operating across four business pillars under its Energy Symphonics Strategy: Next-Gen Mining, U.S. Closed-Loop Gas, Power+, and Future Tech with operations in Thailand, Indonesia, China, Australia, Lao PDR, Mongolia, Japan, the United States of America, and Vietnam. The Company leads a responsible and sustainable energy transition by balancing reliable, affordable and sustainable energy.

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For more information,
Please contact Banpu Corporate
Communications Team:
Duangkamol Saleerat

061-446-6698

duangkamol_s@banpu.co.th

Paninard Sutthakard

086-846-8264

paninard_s@banpu.co.th

Solar Farm
Ponder Solar Farm
Texas

Operational

Capacity
(1Q26)

2.5
MW
Banpu Ownership : 100%
Gas-fired Power Plant (HELE/CCGT)
Temple I CCGT Power Plant
Texas

Operational

Installed
capacity
(1Q26)

768
MW
Banpu Ownership : 100%
Temple II CCGT Power Plant
Texas

Operational

Installed
capacity
(1Q26)

755
MW
Banpu Ownership : 100%
Shale Gas Site
Marcellus Shale
Pennsylvania

Operational

Reserves
(2025)

0.6
Tcfe 1P reserves
Banpu Ownership : 65.94%
Barnett Shale
Texas

Operational

Reserves
(2025)

5.5
Tcfe 1P reserves
Banpu Ownership : 65.94%
CCUS Project
Barnett Zero Project
Texas

Operational

Annual CO2
storage capacity
(2025)

183,000
t/yr
Cotton Cove Project
Texas

Operational

Annual CO2
storage capacity
(2025)

32,000
t/yr
CCUS Project
Eagle Ford Project
Southern Texas

Under Development

Annual CO2
storage capacity
(2025)

~90,000
t/yr
East Texas Project
Eastern Texas

Under Development

Annual CO2
storage capacity
(2025)

~70,000
t/yr
BESS Project
Megamouth BESS
Texas

Under Development

Capacity
(2025)

100
MW
200
MWh
Banpu Ownership : 100%
BESS Project
Iwate Tono BESS
Iwate

Operational

Capacity
(1Q26)

15
MW
58
MWh
Banpu Ownership : 75%
BESS Project
Aizu BESS
Fukushima

Under Development

Capacity
(2025)

26
MW
104
MWh
Banpu Ownership : 100%
Tsuno BESS
Miyazaki

Under Development

Capacity
(2025)

26
MW
104
MWh
Banpu Ownership : 70%
Kamigumi-Tokyo BESS
Tokyo

Under Development

Capacity
(2025)

2
MW
8
MWh
Banpu Ownership : 49%
Nikko BESS
Tochigi ​

Under Development

Capacity
(2025)

40
MW
160
MWh
Banpu Ownership : 100%
Hiyoshibaru BESS
Oita​

Under Development

Capacity
(2025)

20
MW
80
MWh
Banpu Ownership : 30%
Solar Power Plant
Olympia Solar
Gunma, Ibaraki and Tochigi

Operational

Capacity
(1Q26)

10
MW
Banpu Ownership : 40%
Yamagata Solar​
Yamagata

Operational

Capacity
(1Q26)

20
MW
Banpu Ownership : 100%
Kesennuma Solar
Miyagi

Operational

Capacity
(1Q26)

20
MW
Banpu Ownership : 100%
Shirakawa Solar​
Fukushima

Operational

Capacity
(1Q26)

10
MW
Banpu Ownership : 100%
Wind Project
Vinh Chau – Phase 1
Soc Trang Province

Under Development

Capacity
(2025)

30
MW
Banpu Ownership : 100%
Solar Power Plant
Nhon Hai Solar
Ninh Thuan Province

Operational

Capacity
(1Q26)

35
MW
Banpu Ownership : 100%
Wind Power Plant
El Wind Mui Dinh
Ninh Thuan Province

Operational

Capacity
(1Q26)

37.60
MW
Banpu Ownership : 100%
Coal Mine
Tsant Uul Mine
South Gobi Province

Operational

Production
(1Q26)

0.57
Mt

Reserves
(2025)

~63.5
Mt
Banpu Ownership : 100%
Coal Project
Unst Khudag Project
Central Gobi Province

Under Development

Reserves
(2025)

540.9
Mt
Banpu Ownership : 100%
Solar Farm
Beryl Solar Farm (BSF)
New South Wales

Operational

Capacity
(1Q26)

110.9
MW
Banpu Ownership : 100%
Manildra Solar Farm (MSF)
New South Wales

Operational

Capacity
(1Q26)

55.9
MW
Banpu Ownership : 100%
Port
NCIG Coal Terminal Port (Newcastle)

Operational

Coal export loading

Coal Mine
Airly Mine
New South Wales

Operational

Production
(1Q26)

0.1
Mt

Reserves
(2025)

13.5
Mt
Banpu Ownership : 100%
Springvale Mine
New South Wales

Operational

Production
(1Q26)

0.7
Mt

Reserves
(2025)

5.3
Mt
Banpu Ownership : 100%
Clarence Mine
New South Wales

Operational

Production
(1Q26)

0.3
Mt

Reserves
(2025)

24.7
Mt
Banpu Ownership : 100%
Mandalong Mine
New South Wales

Operational

Production
(1Q26)

0.5
Mt

Reserves
(2025)

43.9
Mt
Banpu Ownership : 100%
Myuna Mine
New South Wales

Operational

Production
(1Q26)

0.2
Mt

Reserves
(2025)

11.5
Mt
Banpu Ownership : 100%
Angus Place Mine
New South Wales

Care & Maintenance

On care & maintenance

Banpu Ownership : 100%
BESS Project
Wooreen BESS (WESS)
Latrobe Valley

Under Development

Capacity
(2025)

350
MW
1,400
MWh
Banpu Ownership : 50%
Kerang BESS
Latrobe Valley

Under Development

Capacity
(2025)

103
MW
206
MWh
Banpu Ownership : 100%
Coal Project
Newstan Extension Project
New South Wales

Under Development

Reserves
(2025)

51.5
Mt
Banpu Ownership : 100%
Neubecks Mine Project
New South Wales

Under Development

Reserves
(2025)

7.5
Mt
Banpu Ownership : 100%
Wallarah Mine Project
New South Wales

Under Development

Reserves
(2025)

7.8
Mt (equity basis)​
Banpu Ownership : 13.5%
Port
Bontang Coal Terminal
+ 4 ports

Operational

Export loading facility

Coal Project
NPR Mine Project
Central Kalimantan

Under Development

Reserves
(pre-development)

77.4
Mt
Banpu Ownership : 65.14%
Coal Mine
Indominco Mine
East Kalimantan

Operational

Production
(1Q26)

1.6
Mt

Reserves
(2025)

30.4
Mt
Banpu Ownership : 65.14%
Trubaindo Mine
East Kalimantan

Operational

Production
(1Q26)

0.7
Mt

Reserves
(2025)

50.2
Mt
Banpu Ownership : 65.14%
Bharinto Mine
North Barito

Operational

Production
(1Q26)

1.7
Mt

Reserves
(2025)

95.4
Mt
Banpu Ownership : 65.14%
Jorong Mine
South Kalimantan

Operational

Reserves
(2025)

2.3
Mt
Banpu Ownership : 65.14%
Graha Panca Karsa Mine (GPK)
East Kalimantan

Operational

Production
(1Q26)

0.5
Mt

Reserves
(2025)

99.1
Mt
Banpu Ownership : 65.14%
TIS Mine
East Kalimantan

Operational

Production
(1Q26)

0.1
Mt

Reserves
(2025)

7.2
Mt
Banpu Ownership : 65.14%
NPR Mine

Operational

Production
(1Q26)

0.1
Mt

Reserves
(2025)

77.4
Mt
Banpu Ownership : 65.14%
Thermal Power Plant
Hongsa Power Plant – HPC
Xayaboury Province

Operational

Installed Capacity
(1Q26)

1,878
MW
Banpu Ownership : 40%
Thermal Power Plant
BLCP Power Plant
Rayong Province

Operational

Installed Capacity
(1Q26)

1,434
MW
Banpu Ownership : 50%
Solar Project
Jinhu Qianfeng Solar
Jiangsu Province

Under Development

Capacity
(2025)

120
MW
Banpu Ownership : 10%
BESS Project
Jinhu Qianfeng BESS
Jiangsu Province

Under Development

Capacity
(2025)

10
MW
20
MWh
Banpu Ownership : 100%
Thermal Power Plants
Luannan CHP
Hebei Province

Operational

Capacity
(1Q26)

246
MW

Steam
(1Q26)

538
t/hr​
Banpu Ownership : 100%
Zhengding CHP
Hebei Province

Operational

Capacity
(1Q26)

139
MW

Steam
(1Q26)

370
t/hr​
Banpu Ownership : 100%
Zouping CHP
Shandong Province

Operational

Capacity
(1Q26)

223
MW

Steam
(1Q26)

600
t/hr​
Banpu Ownership : 70%
Shanxi Lu Guang (SLG) Power Plant​
Shanxi Province

Operational

Capacity
(1Q26)

1,320
MW
Banpu Ownership : 30%
Solar Power Plant
Huineng Solar
Shandong Province

Operational

Capacity
(1Q26)

21.51
MW
Banpu Ownership : 100%
Jinshan Solar
Shandong Province

Operational

Capacity
(1Q26)

28.95
MW
Banpu Ownership : 100%
Haoyuan Solar
Shandong Province

Operational

Capacity
(1Q26)

20.00
MW
Banpu Ownership : 100%
Hui'en Solar
Shandong Province

Operational

Capacity
(1Q26)

19.70
MW
Banpu Ownership : 100%
Deyuan Solar
Zhejiang Province

Operational

Capacity
(1Q26)

51.64
MW
Banpu Ownership : 100%
Xingyu Solar
Shandong Province

Operational

Capacity
(1Q26)

10.30
MW
Banpu Ownership : 100%
Jixin Solar
Jiangsu Province

Operational

Capacity
(1Q26)

25.22
MW
Banpu Ownership : 100%
Coal Mine
Gaohe Mine
Shanxi Province

Operational

Production
(1Q26)

2.6
Mt

Reserves
(2025)

72.9
Mt
Banpu Ownership : 45%
Hebi Mine
Henan Province

Operational

Production
(1Q26)

0.3
Mt

Reserves
(2025)

40.6
Mt
Banpu Ownership : 40%

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