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April 26, 2011

Preliminary Report on Consolidated Sales Figures and Non-Consolidated Earnings Results (Fourth Quarter of Fiscal Year 2010)

DISCO Corporation today released a preliminary report of consolidated sales figures and non-consolidated earnings results for the full year of fiscal year 2010. The official financial results for the full year of fiscal year 2010 will be reported on May 11, 2011 to the Tokyo Stock Exchange.

1.	Quarterly Consolidated Sales Figure of Fiscal Year 2010

(Million yen)

	1Q	2Q	1H	3Q	4Q	2H	Full Year
Fiscal Year 2010 (A)	24,057	29,348	53,405	21,254	25,040	46,294	99,700
(Reference) Fiscal Year 2009 (B)	9,256	13,801	23,058	17,995	20,676	38,672	61,730
YoY Change (A/B)	159.9%	112.6%	131.6%	18.1%	21.1%	19.7%	61.5%
QoQ Change	16.4%	22.0%		(27.6%)	17.8%

The fourth quarter sales of 25,040 million yen were up 21.1% from the fourth quarter of 2009 and up 17.8% from the third quarter of 2010. Consolidated sales of 99,700 million yen for the full year of fiscal 2010 were a record-high and 102.0% against the previous full year sales forecast (97,700 million yen) announced on February 7th, 2011.

2.	Quarterly Non-Consolidated Earnings Results of Fiscal Year 2010

(Million yen)

	1Q	2Q	1H	3Q	4Q	2H	Full Year
Sales (D)	20,236	25,673	45,910	17,583	21,076	38,659	84,570
Operating Income (E)	2,833	4,245	7,079	1,507	2,633	4,141	11,220
Operating Income Margin (E/D)	14.0%	16.5%	15.4%	8.6%	12.5%	10.7%	13.3%
Ordinary Income (F)	2,773	4,680	7,454	1,435	3,883	5,319	12,773
Ordinary Income Margin (F/D)	13.7%	18.2%	16.2%	8.2%	18.4%	13.8%	15.1%
Net Income (G)	1,563	3,133	4,696	614	2,723	3,337	8,034
Net Income Margin (G/D)	7.7%	12.2%	10.2%	3.5%	12.9%	8.6%	9.5%

<Reference> Earnings Results of Fiscal Year 2009

(Million yen)

	1Q	2Q	1H	3Q	4Q	2H	Full Year
Sales (H)	6,814	11,118	17,933	14,741	17,181	31,923	49,856
Operating Income (I)	(1,347)	513	(833)	1,253	1,715	2,969	2,135
Operating Income Margin (I/H)	(19.8%)	4.6%	(4.6%)	8.5%	10.0%	9.3%	4.3%
Ordinary Income (J)	(1,400)	1,370	(29)	1,319	1,727	3,046	3,017
Ordinary Income Margin (J/H)	(20.5%)	12.3%	(0.2%)	9.0%	10.1%	9.5%	6.1%
Net Income (K)	(956)	1,230	274	742	660	1,403	1,677
Net Income Margin (K/H)	(14.0%)	11.1%	1.5%	5.0%	3.8%	4.4%	3.4%

<Reference> Year on Year Change

	1Q	2Q	1H	3Q	4Q	2H	Full Year
Change in Sales (D/H)	197.0%	130.9%	156.0%	19.3%	22.7%	21.1%	69.6%
Change in Operating Income (E/I)	-	726.4%	-	20.3%	53.5%	39.5%	425.4%
Change in Ordinary income (F/J)	-	241.5%	-	8.8%	124.8%	74.6%	323.4%
Change in Net Income (G/K)	-	154.6%	-	(17.2%)	312.0%	137.9%	378.9%

In the earnings results for the fourth quarter of fiscal year 2010, operating income of 2,633 million yen increased by 74.7% from the previous quarter due to robust shipments of our products. Ordinary profit of 3,883 million yen was up 170.4% from the previous quarter thanks to the subsidy income in accordance with the new plant established in Hiroshima.
The achievement ratio of the full year operating income, ordinary income and net income were 107.9%, 108.3%, and 111.6% respectively against the previous forecast (sales: 83,000 million yen, operating income: 10,400 million yen, ordinary income: 11,800 million yen, net income: 7,200 million yen).

Purpose of the Preliminary Report
DISCO Corporation makes preliminary reports on non-consolidated sales, earnings results, and consolidated sales as soon as they are tabulated. The preliminary reports are intended to deliver real time information on the financial results of our company to investors. The above preliminary report of sales is based on certain information available to DISCO at the time of announcement, and actual operating results may differ from the preliminary report due to various factors.

Contacts:

Shinichiro Ozawa / Hiroyuki Yoshida
Investor Relations Office
Phone: +81-3-4590-1099