INFORMATION MEMORANDUM: STEC-W2

balance of the deposited Warrants to the subscribers within 45 days. In this circumstance, the subscribers can sell the allotted warrants on the SET immediately after the SET has granted permission for trading the Warrants of the Company on the SET or exercise their warrants to purchase common shares. In the circumstance that the company is unable to provide shares for the exercise of warrants The Company shall compensate the Warrant holders in accordance with the following principles: 1. The Company shall compensate to the Warrant holders who notify their intention to exercise within each Notification Period and the Company cannot provide shares to accommodate the exercise of their Warrants, unless as indicate in the Transferring Restriction. 2. Such compensation as mentioned in 1 shall be made by an account payable cheque and sent via registered mail within thirty (30) days from each registration book closing date only. 3. The calculation of the loss that the Company agrees to compensate the Warrant holders pursuant to 1 will be conducted in the following manner: Compensation per 1 Warrant = B*[ MP - EP ] where: B = the number of common shares which unable to provid for and/or increased in accordance with the Exercise Ratio that is increased per 1 unit of Warrant. MP = the weighted average price of the Company's common shares on each Exercise Date, on which Warrantholders intend to exercise their Warrants (weighted average price of the Company's common shares is calculated from the value of traded common shares divided by the number of traded common shares in the SET) EP = Exercise Price as indicated in the Warrants or New Exercise Price in accordance with the conditions for adjustment of Exercise Price and Exercise Ratio. Transferring Restriction Company has no transferring restrictions for warrant certificates unless: 1. The transfer of Warrant Certificates may not occur on the date when the Warrant registration book is closed for the Last Exercise Date. The Company shall close the Warrant registration book twenty-one (21) days prior to the last Exercise date. 2. The company shares are transferable except that the transferring will cause foreign-shareholder proportion to be exceeded 49% of the company total shares according to the Article of Memorandum of Association or in the portion that might be amended onwards. Silent Period (None) Others (None) Financial Advisor SCB Securities Company Limited Prepared By Sino-Thai Engineering & Construction Public Company Limited