References Securities Registrar Thailand Securities Depository Co., Ltd. 93 Ratchadaphisek Road, Din Daeng, Din Daeng, Bangkok 10400 Tel. 0-2009-9999, Fax. 0-2009-9991 Website: www.set.or.th/tsd Auditor Mr. Kittiphan Kiatsomphop CPA No. 8444-8050 EY Office Company Limited 193/136-137 Lake Rajada Office Complex, Floor 33rd, Ratchadaphisek Road, Khlong Toei, Khlong Toei, Bangkok 10110 Tel. 0-2264-9090, Fax. 0-2264-0789-90 Debenture Registrar (THB) 2020 Series Debentures (IRPC239A, IRPC259A, IRPC229A, IRPC309A, IRPC359A) Kasikorn Bank Public Company Limited 400/22 Phaholyothin Road, Samsen Nai, Phayathai, Bangkok 10400 Tel. 0-2470-1038 2021 Series Debentures (IRPC265A, IRPC245A, IRPC285A, IRPC315A, IRPC365A) Bank of Ayudhya Public Company Limited 1222 Rama III Road, Bang Phongphang, Yannawa, Bangkok 10120 Tel. 0-2296-5696 2022 Series Debentures (IRPC275A) Krung Thai Bank Public Company Limited 977/2 S.M. Tower, Floor 3rd, Phaholyothin Road, Phayathai, Phayathai, Bangkok 10400 Tel. 0-2298-0830-31 2022 Series Debentures (IRPC265B, IRPC275B, IRPC295A, IRPC325A, IRPC345A) Bank of Ayudhya Public Company Limited 1222 Rama III Road, Bang Phongphang, Yannawa, Bangkok 10120 Tel. 0-2296-5696 195 General Information IRPC PUBLIC COMPANY LIMITED
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