than Q4-2021 and Q1-2021, in fact, the large projects have already been delivered in 2021. Major projects delivered in this quarter such as the Project of information and communication technology

and new joint venture that still not recognize income Please be acknowledged accordingly, Yours truly, (Mr. Sithipon Ratanaporn) Chief Financial Officer

Materials. M&A targets in any other area, when encouraging, will be considered as well. Please be informed accordingly. Yours truly, -- Signature -- (Ms. Suthathip Pilasarom) Company Secretary Board Secretary

Public Company Limited and its subsidiaries Please be informed accordingly. Yours truly, -- Signature -- (Mr. Tommy Taechaubol) Managing Director Board Secretary Division Tel. 0 2695 9499 Ext. 9335, 9414

accordingly. Yours truly, -Dr. Noppadol Mingchinda- Dr. Noppadol Mingchinda Chief Financial Officer

encouraging, will also be considered. Please be informed accordingly. Yours truly, - Signature - (Surin Tanticharoenkiat) Company Secretary Board Secretary Division Tel. 0 2695 9499 Ext. 9335 Fax. 0 2695 9495

received an investment promotional certificate in the business industrial water for the Wellgrow project. Yours Truly, WIIK & HOEGLUND PUBLIC CO., LTD. Mr. Wiboon Sangwithayanon Chief Executive Officer

same last year. Please be acknowledged accordingly, Yours truly, (Mr. Sithipon Ratanaporn) Chief Financial Officer

. Yours truly, - Signature - (Surin Tanticharoenkiat) Company Secretary Board Secretary Division Tel. 0 2695 9499 Ext. 9335 Fax. 0 2695 9493

. Please be acknowledged accordingly, Yours truly, (Mr. Sithipon Ratanaporn) Chief Financial Officer