, including, mobile phone numbers, email addresses, addresses on the identification cards, addresses on the house registration, permanent address, home telephone numbers, and facsimile numbers. Sensitive data

: ............................................................. Province: .................................... Zip code: ........................... E-mail: .............................................................. Telephone

tender offer (specify all co-offerors): T.K.S. Technologies Public Company Limited Telephone No.: 0-2784-5888 3. The tender offer is intended for an acquisition of the securities of: Thai British Security

Company Secretary Office Telephone: 0 2658 8881

be informed accordingly. Yours Sincerely, (Mr. Chih - Hung Lin) Chief Operating Officer Company Secretary Office Telephone: 0 2658 8881

President Corporate Secretariat Telephone 0-2495-1021-25 3 / 3

Office located at………………………………………………………………… Telephone number ………………….. Facsimile number …………………………… Web address…………………………………………………………………………… Main business…………………………………………………………………………, wish to offer for sale

? account to authorize securities transfers to the accounts of her related persons. In so doing, she filled in her own telephone number on the securities transfer form as the transaction confirmation number

management, and contact details for the person (name, telephone, email) who is designated by the Institutional Investor to provide further information. The SEC will update and publish the list of signatories

: ………………………………………………………………………………………………………. Telephone No. : ………………………… Mobile No. : ……………………… Fax : ……………..………. Address