IRPC : Joint investment between IRPC Public Company Limited and PTT Public Company Limited's subsidiary

-Translation-

Ref. Ngor Nor Por. 009/2021

18 March 2021

Subject :Joint investment between IRPC Public Company Limited and PTT Public Company Limited's subsidiary

To :

President,

The Stock Exchange of Thailand

IRPC Public Company Limited ("the Company") would like to inform that on 16 March 2021, the Board of Directors no. 3/2021 approved an investment in the company, namely, Innopolymed Company Limited to be jointly held by the Company and Innobic (Asia) Company Limited, a subsidiary of PTT Public Company Limited with the registered capital of 260 million baht. The Company and Innobic (Asia) Company Limited will hold the shares equivalent to 60% and 40%, respectively. Such company will operate in non-woven fabric as well as medical consumables businesses. Besides, Innopolymed Company Limited is targeted to complete the company registration in 2Q2021 and start commercial operation in 4Q2021.

This transaction is not a connected transaction and the transaction size does not require any disclosure under regulations on acquisition and disposition of assets of the listed companies. However, this is a report that a listed company acquires of an investment in another company, which results in that other company becoming a subsidiary company of the listed company. Therefore, this transaction resulted that Innopolymed Company Limited is a subsidiary of IRPC.

Please be informed accordingly.

Yours sincerely,

(Mr. Chawalit Tippawanich) President and Chief Executive Officer

Finance & Investor Relations Department

Tel. [phone]

Fax.[phone]