Shareholding structure of the group of companies
The Company has invested in six subsidiaries, both directly and indirectly, with shareholdings exceeding 50 percent of the paid-up capital, one associated company with a direct shareholding of 49 percent of the paid-up capital, and another associated company with a direct shareholding of 10 percent of the paid-up capital, in accordance with the investment structure and profile of each company as at December 31, 2025, as follows.
| Investment in the subsidiaries and associated companies | |
|---|---|
| LANNA RESOURCES PUBLIC COMPANY LIMITED | |
| 51% |
THAI AGRO ENERGY PUBLIC CO., LTD.
(Registered in Thailand)
|
| 49% |
UNITED BULK SHIPPING PTE. LTD.
(Registered in Singapore)
|
| 65% |
PT. SINGLURUS PRATAMA
(Registered in Indonesia)
|
| 55% |
PT. LANNA HARITA INDONESIA
(Registered in Indonesia)
|
| 99.99985% |
LANNA POWER GENERATION CO., LTD.
(Registered in Thailand)
|
| 10% |
PT. PESONA KHATULISTIWA NUSANTARA
(Registered in Indonesia)
|
Remark : Shareholding proportion in each company above represents all shares with voting rights, without any restrictions.
Shareholding diagram of the group of companies
Shareholding overview with percentage distribution.
LANNA
Shareholding
Shareholding
61.44% Siam City Cement Public Company Limited
35.16% Other Shareholders
3.40% Directors and Executives
Remark: Data as of September 1, 2025 (Record Date)
Policy on operational organization within the group of companies
The Board of Directors established policies for the operations of subsidiaries and affiliated companies in which the Company has made significant investments, providing oversight appropriate to specific nature of each business and ensuring a clear and accurate understanding as follows:
Governance Policy
(1) The Board of Directors has established the following policies to oversee subsidiaries:
(1.1) The Board of Directors appoints individuals as directors, executives, or persons with controlling authority in subsidiaries through an established procedure to ensure alignment with the operations of the parent company.
(1.2) The scope of authority, duties, and responsibilities of representatives appointed under item (1) is defined, and they must act in accordance with the policies of the subsidiary. In cases where the subsidiary has other investors, the appointed representatives should perform their duties to the best of their ability to protect the interests of the subsidiary and ensure consistency with the parent company’s policies.
(1.3) Establish an internal control system and risk management system for subsidiaries that is appropriate, robust, and sufficient, ensuring that all transactions are conducted in compliance with relevant laws and regulations.
(1.4) Ensure the disclosure of financial status, performance, and transactions with related parties, including the acquisition or disposal of assets and other significant transactions, such as capital increases, reductions, and the liquidation of subsidiaries. These disclosures must be sufficiently detailed and transparent.
(2) Establish criteria for significant investments in other businesses, such as businesses where the Company holds a share of 20 percent to 50 percent of the investment amount, or where there may be a substantial future investment commitment. In cases where necessary, the Board of Directors may require the preparation of a Shareholders’ Agreement or other agreements to clarify the authority in management and participation in important decision-making processes.
(3) Monitor the performance of subsidiaries to ensure the data is accurate and can be used in preparing the company’s consolidated financial statements in accordance with the specified standards and timeframes.
Organizational structure and operation of the group of companies
Policy and business overview
1
(1) SOLID FUEL: The Company’s core business is the production and distribution of coal, both domestically and internationally, with coal mining projects located in Indonesia as the base for coal production and distribution activities. In addition, the Company operates an ocean freight transport service business in Singapore to efficiently support and manage coal transportation for distribution in Thailand and/or other countries.
2
(2) LIQUID BIO-FUEL: The Company’s secondary core business is the production and distribution of ethanol for biofuel purposes within Thailand, with its production and distribution facility located in Dan Chang District, Suphanburi Province.
3
(3) RENEWABLE ENERGY: The Company’s third core business focuses on investment in and provision of renewable energy services, with ongoing plans to expand into renewable energy projects.
Details of Subsidiaries
Company Details
1
THAI AGRO ENERGY PUBLIC CO., LTD. (Registered in Thailand)
THAI AGRO ENERGY PUBLIC CO., LTD. (Registered in Thailand)
Location :
888/114 Mahathun Plaza Building, 11th Floor, Ploenchit Road, Lumpini, Pathumwan, Bangkok 10330, Tel.: 02-627-3890-94, Fax: 02-627-3888-89
Type of Business :
Listed company in the Stock Exchange of Thailand with a business of Production and Distribution of Ethanol-for-Fuel (99.5% Anhydrous Alcohol by volume) The ethanol is a clean fuel used in 10%, 20% and 85% mixture as Gasohol E10, E20 and E85 for automobiles.
Registered Capital :
1,000,000,000 ordinary shares at Baht 1 per share totaling Baht 1,000,000,000
Paid-up Capital :
1,000,000,000 ordinary shares at Baht 1 per share totaling Baht 1,000,000,000
Company’s Shareholding :
510,000,000 ordinary shares at Baht 1 per share totaling Baht 510,000,000
(Direct shareholding of 51 percent of the paid-up capital)
(Direct shareholding of 51 percent of the paid-up capital)
2
PT. SINGLURUS PRATAMA (Registered in Indonesia)
PT. SINGLURUS PRATAMA (Registered in Indonesia)
Location :
Sentral Senayan I, 5th Floor, Unit 105B, Jl. Asia Afrika No.8, Gelora Bung Karno Jakarta Pusat 10270, Indonesia Tel.: 62(21) 572-5725
Type of Business :
Coal Production and Distribution
Registered Capital :
10,500 ordinary shares at Indonesian Rupiah 1,000,000 per share totaling Indonesian Rupiah 10,500,000,000
Paid-up Capital :
10,500 ordinary shares at Indonesian Rupiah 1,000,000 per share totaling Indonesian Rupiah 10,500,000,000
Company’s Shareholding :
6,825 ordinary shares at Indonesian Rupiah 1,000,000 per share totaling Indonesian Rupiah 6,825,000,000
(Direct shareholding of 65 percent of the paid-up capital)
(Direct shareholding of 65 percent of the paid-up capital)
3
PT. LANNA HARITA INDONESIA (Registered in Indonesia)
PT. LANNA HARITA INDONESIA (Registered in Indonesia)
Location :
Sentral Senayan I, 5th Floor, Unit 105B, Jl. Asia Afrika No.8, Gelora Bung Karno Jakarta Pusat 10270, Indonesia Tel.: 62(21) 572-5727
Type of Business :
Coal Production and Distribution
Registered Capital :
10,500 ordinary shares at USD 1,000 per share totaling USD 10,500,000
Paid-up Capital :
8,000 ordinary shares at USD 1,000 per share totaling USD 8,000,000
Company’s Shareholding :
4,400 ordinary shares at USD 1,000 per share totaling USD 4,400,000
(Direct shareholding of 55 percent of the paid-up capital)
(Direct shareholding of 55 percent of the paid-up capital)
4
PT. PESONA KHATULISTIWA NUSANTARA (Registered in Indonesia)
PT. PESONA KHATULISTIWA NUSANTARA (Registered in Indonesia)
Location :
Equity Tower, 29th Floor, Jl. Jend Sudirman, Kav 52-53 SCBD Lot 9, Senayan, Kebayoran Baru, Jakarta Selatan 12190 Indonesia Tel.: 62(21) 515-1591, Fax: 62(21) 515-5363
Type of Business :
Coal Production and Distribution
Registered Capital :
615,546,524 ordinary shares totaling USD 42,728,502
Paid-up Capital :
615,546,524 ordinary shares totaling USD 42,728,502
Company’s Shareholding :
61,554,652 ordinary shares totaling USD 1,817,431
(Direct shareholding of 10 percent of the paid-up shares)
(Direct shareholding of 10 percent of the paid-up shares)
5
UNITED BULK SHIPPING PTE. LTD. (Registered in Singapore)
UNITED BULK SHIPPING PTE. LTD. (Registered in Singapore)
Location :
7 Temasek Boulevard #16-01, Suntec Tower One, Singapore 038987 Tel.: (65) 6305-7368, Fax: (65) 6238-1301
Type of Business :
Ocean Freight Shipping
Registered Capital :
1,000,000 ordinary shares at USD 0.71429 per share totaling USD 714,290
Paid-up Capital :
100,000 ordinary shares at USD 0.71429 per share totaling USD 71,429
Company’s Shareholding :
49,000 ordinary shares at USD 0.71429 per share totaling USD 35,000
(Direct shareholding of 49 percent of the paid-up capital)
(Direct shareholding of 49 percent of the paid-up capital)
6
LANNA POWER GENERATION CO., LTD. (Registered in Thailand)
LANNA POWER GENERATION CO., LTD. (Registered in Thailand)
Location :
888/98 Mahathun Plaza Building, 9th Floor, Ploenchit Road, Lumpini, Pathumwan, Bangkok 10330, Tel.: 02-252-4469, Fax: 02-255-2676
Type of Business :
Investment and service in renewable energy business
Registered Capital :
60,000,000 ordinary shares at Baht 5 per share totaling Baht 300,000,000
Paid-up Capital :
60,000,000 ordinary shares at Baht 5 per share totaling Baht 300,000,000
Company’s Shareholding :
59,999,910 ordinary shares at Baht 5 per share totaling Baht 299,999,550
(Direct shareholding of 99.99985 percent of the paid-up capital)
(Direct shareholding of 99.99985 percent of the paid-up capital)