Mueang Khon Kaen, Khon Kaen ("Land and Buildings") to NML Co., Ltd. ("NML") at Baht 12,000,000. In this regard, the Board of Directors meeting assigned the executive committee or Chief Executive Officer to

attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer Company Secretary

either executive committee or the chief executive officer or other person assigned by the executive committee or the chief executive officer, to be an authorize person to conduct the following matters: (1

proposed to the Shareholders’ Meeting to consider and authorize the either executive committee or the chief executive officer or other person assigned by the executive committee or the chief executive

approved to proposed to the Shareholders’ Meeting to consider and authorize the either executive committee or the chief executive officer or other person assigned by the executive committee or the chief

the January 2019. In this regard, the Board of Directors has authorized the executive committee or the Chief Executive Officer or the person entrusted by executive committee or the Chief Executive

authorized the executive committee or the Chief Executive Officer or the person entrusted by executive committee or the Chief Executive Officer to have an authority to consider, decide, amend or change rules

the Closing Date. In this connection, the Board of Directors’ Meeting deemed it appropriate to propose the Shareholders’ Meeting to consider authorizing the Chief Executive Officer or the person

Miss Nawarat Sukcharoensin Miss Nawarat Sukcharoensin, in collaboration with her brother (Mr. Surawut Sukcharoensin who was Director, Executive Director, and Chief Strategy Officer of L.P.N

Mrs. Malatee Sukcharoensin Mrs. Malatee Sukcharoensin, the mother of Mr. Surawut Sukcharoensin (who was Director, Executive Director, and Chief Strategy Officer of L.P.N. Development Public Company