Company's name Thai Optical Group Public Company Limited Type of business Producer and distributor plastic optical lenses Head Office 15/5 Moo 6 Bangbuathong-Suphanburi Road, Laharn, Bangbuathong Nonthaburi Thailand Branches 1st Branch: 281/20-22 Silom Road, Silom, Bangrak, Bangkok, Thailand 2nd Branch: 77/142, 33rd Floor, Sinn Sathorn Tower, Klongtonsai, Klongsan, Bangkok Thailand Registration No. 0107547000044 Paid-up capital 400,000,000 Baht Home Page www.thaiopticalgroup.com Telephone (662)571-3680 to 4 Facsimile (662) 571-3685 Company's name Thai Optical Company Limited Type of business Producer and distributor of mineral optical lenses, plastic optical lenses and glass mold Head Office 83 Moo 2, Ngamwongwan Road, Bangkhen, Nonthaburi, Thailand Branches 1st Branch: 281/20-22 Silom Road, Silom, Bangrak, Bangkok, Thailand 2nd Branch: 61/2 Moo 5, Bangbuathong-Suphanburi Road, Laharn, Bangbuathong, Nonthaburi Thailand Registration No. 0105505002039 Paid-up capital 130,000,000 Baht Home Page www.thaiopticalgroup.com Telephone (662) 581-2107, (662) 588-4653, (662) 952-6429 to 31 Facsimile (662) 588-4694, (662) 589-5411   Reference Audit Office Ernst & Young Office Limited 33rd Floor, Lake Radchada Office Complex 193/136-137 Radchadapisek Road, Bangkok 10110 Telephone (662) 264-0777 Facsimile (662) 264-0789 to 90 Registrar Thailand Securities Depository Co., Ltd. 62 The Stock Exchange of Thailand Building, Rachadapisek Road, Klongtoey, Bangkok 10110 Telephone (662) 229-2800, (662) 654-5599 Facsimile (662) 359-1259