in gross profit margin while selling and administrative expenses in proportional to sale increase owing to the decrease in the overall plastic automotive part market but the Company has fixed cost for

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2017 Re: To clarify the financial statements as of 30 June 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

% 188.12 197.63 -5% % Net profit margin 17% 19% -1% 16% 19% -3% Non-controlling interest 0.19 2.51 -93% 3.47 22.32 -84% Net profit attributable to The Company 74.89 71.93 4% 184.65 175.30 5% Page 2 of 4

ที่ -1- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310, Thailand Tel. 02-934-7000 Fax. 02-934-7186 www.rockgarden.co.th BROCK : 019 /2018

profit margin (%) 39.77 36.81 8.06 Net profit to total revenue (%) 13.70 3.64 276.76 -2- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310, Thailand

margin (%) 41.39 40.34 2.59 Net profit to total revenue (%) 17.19 15.73 9.34 -2- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310, Thailand Tel. 02

) Gross profit margin (%) 37.86 37.68 0.47 Net profit to total revenue (%) 10.15 13.86 (26.75) -2- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310

ที่ -1- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310, Thailand Tel. 02-934-7000 Fax. 02-934-7186 www.rockgarden.co.th BROCK : 030 /2017

profit margin (%) 37.31 37.37 (0.17) Net profit to total revenue (%) 7.88 (5.27) 249.39 -2- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310

ที่ -1- Baan Rock Garden Public Company Limited 601 Ramkhamheang 39 Pracha-Uthit Rd., Wangthonglang, Bangkok 10310, Thailand Tel. 02-934-7000 Fax. 02-934-7186 www.rockgarden.co.th BROCK : 016 /2019