ATTO Co.,Ltd (030530)   KOSDAQ Address 1263-1,JEONGWANG 2-DONG, SIHEUNG-SI, GYEONGGI Home Page www.atto.co.kr Established 1991. 9.27 Tel 031-499-4321 Listed 1996. 9.24 IR 031-496-7551 Common shares O/S 33,522,460 President Lee,Mun Yong Preferred shares O/S No.of Employees 251(2010. 6) Year-on-year sales rose, owing to investment expansion of Samsung Electronics, the firm's main client, along with recovery of the semiconductor industry continued from the second half of 2009. Operating profit turned into surplus, because of relaxed fixed cost burden, including selling and administrative expenses thru sales increase, along with reduced cost burden, arising from reduction of the existing low price inventory. Firm embodies ample internal liquidity and actual non-borrowings Mgmt and firm's various stability indicators are at good level including equity capital ratio and debt ratio. As investment expansion of semiconductor manufacturers is forecast to continue, relevant orders are expected to go up, and thus firm's sales growth is likely to continue. Despite ease in selling and administrative expenses burden, stemming from sales augmentation, firm's profitability improvement if projected limited, due to expanded cost burden including depreciation expenses increase, owing to machine devices expansion. Firm is expected to continue good financial state, based on favorable tune in performances and stable capital structure. (date: 2009.12, unit : %) Name IPS WonIk Quartz Corp. WonIk Portion 15.3 7.0 5.9 (unit : %) Sales CVD 81.6 Cost Raw Materials GAS CABINET 18.3 Labors Overhead (Unit : 100Mn.Won,Won) Year 04.11 ~04.12 06. 1 ~07.12 10. 1~ Type RI CB RI CB CB Amount 39.49  0.19  29.62  17.49  2.04