TDK Corporation

1-13-1, Nihonbashi

Chuo-ku, Tokyo

103-8272 Japan

Contacts;                    Corporate Communications                          
                             Department                                        
                                                                               
TDK Corporation (Tokyo)      Michinori Katayama           +81(3)5201-7102      
                                                                               
TDK U.S.A. Corporation       Francis J. Sweeney           +1(516)535-2600      
                                                                               
TDK Marketing Europe GmbH    Ron Matier                   +44(1737)773773      
(UK Branch)                                                                    

                             FOR IMMEDIATE RELEASE                             

TOKYO - October 28, 2004 TDK Corporation today announced its Consolidated
business results prepared in conformity with accounting principles generally
accepted in the United States of America (the "U.S. GAAP") for the first half
of fiscal year ("FY") 2005 and the 2nd quarter ("Qtr.") and Non-Consolidated
business results for the first half of FY 2005.

I. Consolidated

I-1) Summary

Consolidated results (April 1, 2004 - September 30, 2004)

                             The first half of FY2005  The first half                
                                                          of FY2004                  
                                                                                     
                            (April 1, 2004 - Sep. 30,  (April 1, 2003      Change    
                                      2004)              - Sep. 30,                  
                                                            2003)                    
                                                                                     
Item/Term                        (Yen     %     (U.S.$      (Yen     %      (Yen    %
                            millions)       thousands) millions)       millions)     
                                                                                     
Net sales                     318,770 100.0  2,871,802   316,279 100.0     2,491  0.8
                                                                                     
Operating income               26,889   8.4    242,243    24,020   7.6     2,869 11.9
                                                                                     
Income before income taxes     28,804   9.0    259,495    25,014   7.9     3,790 15.2
                                                                                     
Net income                     19,869   6.2    179,000    19,257   6.1       612  3.2
                                                                                     
Per common share:                                                                    
                                                                                     
Net income/Basic                  Yen        U.S.$1.35       Yen                     
                               150.11                     145.27                     
                                                                                     
Net income/Diluted                Yen        U.S.$1.35       Yen                     
                               150.00                     145.27                     

(Sales breakdown)

                             The first half of FY2005  The first half      Change    
                                                          of FY2004                  
                            (April 1, 2004 - Sep. 30,                                
                                      2004)            (April 1, 2003                
                                                         - Sep. 30,                  
                                                            2003)                    
                                                                                     
Product/Term                  (Yen        %   (U.S.$        (Yen     %   (Yen       %
                            millions)       thousands) millions)       millions)     
                                                                                     
Electronic materials and      262,364  82.3  2,363,640   254,352  80.4     8,012  3.1
components                                                                           
                                                                                     
Electronic materials           91,036  28.6    820,144    82,302  26.0     8,734 10.6
                                                                                     
Electronic devices             57,511  18.0    518,117    52,451  16.6     5,060  9.6
                                                                                     
Recording devices             103,333  32.4    930,928   111,423  35.2   (8,090) -7.3
                                                                                     
Semiconductors & others        10,484   3.3     94,451     8,176   2.6     2,308 28.2
                                                                                     
Recording media & systems      56,406  17.7    508,162    61,927  19.6   (5,521) -8.9
                                                                                     
Total sales                   318,770 100.0  2,871,802   316,279 100.0     2,491  0.8
                                                                                     
Overseas sales                231,138  72.5  2,082,324   234,743  74.2   (3,605) -1.5


Note: U.S.$1=Yen 111

                         2nd Qtr. Consolidated results                         

Consolidated results (July 1, 2004 - September 30, 2004)

                               The 2nd Qtr. of FY2005   The 2nd Qtr. of     Change     
                                                            FY2004                     
                              (July 1, 2004 - Sep. 30,                                 
                                       2004)            (July 1, 2003 -                
                                                        Sep. 30, 2003)                 
                                                                                       
Item/Term                         (Yen     %   (U.S.$     (Yen        %   (Yen        %
                             millions)       thousands) millions)       millions)      
                                                                                       
Net sales                      160,879 100.0  1,449,360   163,063 100.0   (2,184)  -1.3
                                                                                       
Operating income                12,864   8.0    115,892    13,840   8.5     (976)  -7.1
                                                                                       
Income before income taxes      13,854   8.6    124,811    13,850   8.5         4     -
                                                                                       
Net income                       9,706   6.0     87,441    11,232   6.9   (1,526) -13.6
                                                                                       
Per common share:                                                                      
                                                                                       
Net income/Basic                Yen 73.36     U.S.$0.66    Yen 84.76                   
                                                                                       
Net income/Diluted              Yen 73.31     U.S.$0.66    Yen 84.76                   

(Sales breakdown)

                              The 2nd Qtr. of FY2005   The 2nd Qtr. of     Change     
                                                           FY2004                     
                             (July 1, 2004 - Sep. 30,                                 
                                      2004)            (July 1, 2003 -                
                                                       Sep. 30, 2003)                 
                                                                                      
Product/Term                  (Yen        %   (U.S.$        (Yen     %   (Yen        %
                            millions)       thousands) millions)       millions)      
                                                                                      
Electronic materials and      131,896  82.0  1,188,252   130,563  80.1     1,333   1.0
components                                                                            
                                                                                      
Electronic materials           46,273  28.8    416,874    41,882  25.7     4,391  10.5
                                                                                      
Electronic devices             29,263  18.2    263,630    26,634  16.3     2,629   9.9
                                                                                      
Recording devices              51,170  31.8    460,991    57,583  35.3   (6,413) -11.1
                                                                                      
Semiconductors & others         5,190   3.2     46,757     4,464   2.8       726  16.3
                                                                                      
Recording media & systems      28,983  18.0    261,108    32,500  19.9   (3,517) -10.8
                                                                                      
Total sales                   160,879 100.0  1,449,360   163,063 100.0   (2,184)  -1.3
                                                                                      
Overseas sales                116,025  72.1  1,045,270   121,960  74.8   (5,935)  -4.9


Note: U.S.$1=Yen 111

I-2) Management Policies

(1) Fundamental Management Policy

TDK was established in 1935 as the world's first company to commercialize a
magnetic material called ferrite. In the ensuing years, TDK has developed and
commercialized electronic materials, electronic devices, recording devices and
recording media & systems. This drive has been based on the company's founding
spirit: "Contribute to culture and industry through creativity."

To preserve its identity as a dynamic company, TDK is dedicated to creating
value for all stakeholders, including shareholders, customers, suppliers,
employees and society, by drawing on innovative thinking and a willingness to
tackle new challenges. TDK firmly believes that it must remain an organization
that is a constant source of exciting ideas that are of true value to
stakeholders.

(2) Fundamental Policy for Distribution of Earnings

Returning earnings to shareholders is one of TDK's highest management
priorities. As such, TDK's fundamental policy is to devote its efforts to a
stable increase of dividends while taking into consideration a broad range of
factors, including the return on equity (ROE), dividends as a percentage of
equity (DOE) and the company's results of operation on a consolidated basis.

Retained earnings are used to invest in the development of new products and
technologies in key fields, to upgrade production facilities and in other ways
to make TDK more competitive and respond precisely to the rapid technological
advances in the electronics industry.

(3) Policy Regarding Reduction of TDK's Share Trading Unit

On August 1, 2000, TDK reduced the share trading unit of its common shares from
1,000 to 100 shares to broaden the shareholder base and increase the liquidity
of the company's shares. TDK now believes that its shares have sufficient
liquidity. TDK will consider a further reduction of the trading unit based on
its stock price and market needs as well as on a cost-benefit analysis.

(4) Medium- and Long-Term Management Strategy

In April 2004, TDK launched an initiative aimed at generating new growth with
the overriding aim of becoming an exciting company, an ongoing theme at TDK.

The electronics industry, TDK's main market, is witnessing escalating
competition due to progress in the digitalization and standardization of key
devices. To accurately respond to changing market needs as product life spans
shorten, TDK is dedicated to delivering new products that the market demands,
without delay, precisely when those products are needed. With this in mind, TDK
is aiming to increase the weighting of new products in its overall sales mix as
its growth strategy over the medium term.

TDK also plans to take steps to refine its sophisticated technological and
development capabilities in the core electronic materials and components
business. TDK is aiming for growth by delivering the value customers demand in
a timely manner through the development of products rooted in the company's
core materials, process and evaluation & simulation technologies, which
underpin its electronic materials and components business.

Reaffirming the importance of coexisting with society as a responsible
corporate citizen, TDK examines how it can contribute to society as a company,
and conducts its own social contribution activities based on two concepts:
"Creativity" and "Culture."

(5) Pressing Issues

The electronics industry, TDK's field of operations, is finding renewed vigor
on growth in the market for flat-panel TVs, DVD recorders and other digital
home appliances and the greater use of electronics in motor vehicles. But
digitalization is also fueling stiffer competition. In digital home appliances,
the electronics industry has been thrust into an era of full-blown competition
as rapid advances are made in the standardization of key devices while new
products that fail to clearly set themselves apart are quickly engulfed by
price competition and driven out of the market. Competing successfully in this
era increasingly hinges on one's ability to be different, which basically means
supplying superior products.

Under these circumstances, TDK will strengthen its core technologies
(materials, process and evaluation & simulation technologies) that will be key
to businesses down the road as the driving force for expanding sales of
competitive new products and responding to customer needs. In the electronics
market, TDK is targeting three key fields that it believes harbor prospects for
growth: IT home electronics; high-speed, large-capacity networks; and car
electronics. Developing new products that squarely match customer demands and
creating a system for supplying those products on a timely basis are important
themes for TDK in these markets where rapid change is an underlying premise.

(6) Strategy to Improve Corporate Governance

Companies must conduct their activities and manage their operations in a fair,
impartial and transparent manner, abiding by laws and regulations, and with the
recognition that their existence is supported by shareholders, customers,
suppliers, employees and society. TDK has put in place various systems of
internal control with this fundamental recognition in mind. It has also
implemented a number of other measures in the same vein, such as appointing an
outside director and statutory auditors, involving people outside the company
in setting directors' remuneration, and ensuring that corporate ethics are
strictly observed.

(6-1) Management structure and other corporate governance systems concerning 
decision-making, strategy execution and supervision

One of TDK's 7 directors is an outside director, who also serves as the
chairperson of the Compensation Advisory Committee, which was set up to ensure
the transparency of directors' remuneration. Another committee, the Corporate
Ethics Committee, was established to ensure that TDK upholds corporate ethical
standards. At the same time, TDK is continuing to build a global corporate
ethics framework that also encompasses all domestic and overseas subsidiaries.
All subsidiaries have an ethics council. Independent of the Corporate Ethics
Committee and these ethics councils, TDK has a "helpline" that encourages
employees to report matters relating to corporate ethics and offer suggestions.
Moreover, having introduced the post of corporate officer, TDK has clearly
demarcated responsibilities: directors are responsible for decision-making and
oversight, while corporate officers have responsibility for executing
day-to-day operations. Corporate officers execute policies set by the Board of
Directors in their respective areas of responsibility.

TDK has corporate auditors within the meaning of the Commercial Code of Japan,
and 3 of its 5 corporate auditors come from outside the company. The role of
the corporate auditor is not restricted to the supervision of directors'
activities. As required, they also audit business activities. In addition, the
Management Review & Support Department is primarily responsible for auditing
business activities.

Another defining aspect of TDK's corporate governance system is that it
receives advice and directives from outside legal counsel regarding risks
associated with TDK's corporate activities.

Moreover, to give the company the best managerial structure for responding
flexibly to the various changes in its operating environment and to build
greater trust with shareholders, the company has set the terms of directors to
one year.

(6-2) Personal, financial and trading relationships between the company and the
outside director and outside corporate auditors, and other beneficial 
relationships

There are no personal or financial relationships between TDK and the outside
director or the three outside corporate auditors.

(6-3) Measures taken to enhance corporate governance over the past year

To ensure that corporate ethical standards are being upheld, TDK has put in
place a global corporate ethics framework that encompasses the activities of
overseas subsidiaries as well as domestic ones. Activities are ongoing to
oversee and refine this system. And, to comply with the U.S. Sarbanes-Oxley Act
of 2002, a strict law relating to corporate governance that was prompted by a
series of scandals involving major corporations, TDK formed a project team that
includes outside experts to undertake a fundamental review and reinforce
corporate systems. Furthermore, in the same vein, TDK restricts the work that
is outsourced to independent auditors so as to preserve their impartiality and
independence.

I-3) Business Results and Financial Position

1. Summary

Consolidated results for the first half of fiscal 2005, the six-month period
from April 1, 2004 through September 30, 2004, are as follows:

TDK posted net sales of �318,770 million (U.S.$2,871,802 thousand), a rise of
0.8% over the �316,279 million recorded in the first half of the previous
fiscal year. Operating income was �26,889 million (U.S.$242,243 thousand), up
11.9% from �24,020 million. Income before income taxes was �28,804 million
(U.S.$259,495 thousand), up 15.2% from �25,014 million. Net income was �19,869
million (U.S.$179,000 thousand), up 3.2% from �19,257 million, meaning basic
net income per common share was �150.11 (U.S.$1.35), compared with �145.27 in
the first half of the previous fiscal year.

Average first-half yen exchange rates for the U.S. dollar and euro were �109.80
and �133.28, respectively, as the yen appreciated 7.0% versus the U.S. dollar
and 0.2% against the euro. This had the effect of lowering net sales by
approximately �15.1 billion and operating income by approximately �5.9 billion.

(Sales by Segment)

TDK's businesses are broadly classified into two business segments: the
electronic materials and components segment and the recording media & systems
segment. The following is an explanation of sales by segment.

(1) Electronic materials and components segment

This segment is made up of four product sectors: (1-1) electronic materials,
(1-2) electronic devices, (1-3) recording devices, and (1-4) semiconductors &
others.

Segment net sales increased 3.1% to �262,364 million (U.S.$2,363,640 thousand),
from �254,352 million. Segment operating income climbed 15.8% to �29,908
million (U.S.$269,441 thousand), from �25,832 million.

The electronics market in the first quarter of fiscal 2005 saw strong demand
for components for mobile phones and digital home appliances such as
flat-screen TVs, digital still cameras and DVD recorders continue from the
fourth quarter of the previous fiscal year. However, the second quarter was
characterized by slowing demand for mobile phone components and by inventory
reductions in digital home appliances, particularly AV-related products, which
had been produced in anticipation of demand stimulated by the Summer Olympic
Games and other events. Demand from the PC and automotive fields was stronger
throughout the interim period than in the previous fiscal year. Under these
market conditions, sales of electronic materials and electronic devices
increased, lifting segment sales as a whole. Sector results were as follows.

(1-1) Electronic materials

This sector is broken down into two product categories: capacitors and ferrite
cores and magnets.

Sales in the electronic materials sector rose 10.6% to �91,036 million
(U.S.$820,144 thousand), from �82,302 million.

(Capacitors) Sales rose year on year. In IT home electronics appliance
applications, sales volumes increased on the back of growth in digital home
appliances. Furthermore, sales rose on greater demand for the use of capacitors
in mobile phones, a rising proportion of which have color displays and cameras,
and in automobiles, which are increasingly making use of electronics. These
factors absorbed the effect of downward pressure on sales prices and of the
higher yen.

(Ferrite cores and magnets) Sales of ferrite cores and magnets increased year
on year. In ferrite cores, sales volume growth was recorded for general-purpose
power supply cores for digital home appliances and cores for communications
equipment. Magnet sales volume also rose on strong orders for automotive and IT
home electronics appliance applications.

(1-2) Electronic devices

This sector has three product categories: inductive devices, high-frequency
components and other products.

Sales in the electronic devices sector rose 9.6% to �57,511 million
(U.S.$518,117 thousand), from �52,451 million.

(Inductive devices) Sales of inductive devices increased year on year. In IT
home electronics appliance applications, sales grew for use in digital home
appliances, thanks in large part to demand spurred by the Summer Olympic Games.
Furthermore, an increase in the number of components used in mobile phones,
which are being equipped with cameras and other additional features, spurred
growth in sales of coils, multilayer products and other products.

(High-frequency components) Sales of high-frequency components edged down year
on year. While sales volume of high-frequency components was higher year on
year, sales were brought down slightly by the continuation of strong
discounting pressure from clients and the effect of production cutbacks at
mobile phone manufacturers in China due to inventory problems.

(Other products) Sales of other products rose year on year. Power systems
recorded higher sales on strong sales of DC-DC converters and DC-AC inverters
for the industrial equipment market. Sensors and actuators also recorded higher
sales, mainly for use in PCs and peripherals and communications equipment.

(1-3) Recording devices

This sector has two product categories: HDD heads and other heads.

Sector sales declined 7.3% to �103,333 million (U.S.$930,928 thousand), from �
111,423 million.

(HDD heads) Sales decreased on lower orders for TDK's HDD heads, reflecting two
factors. One was a sharp drop in orders from a major customer that started
producing heads in-house last year. The other cause was that some other
customers reduced HDD production to resolve the problem of excess inventories.

(Other heads) Sales of other heads declined year on year, with sales of optical
pickups sluggish.

(1-4) Semiconductors & others

This sector has two product categories: semiconductors and others.

Sector sales climbed 28.2% to �10,484 million (U.S.$94,451 thousand), from �
8,176 million.

(Semiconductors) Sales of semiconductors declined due to lower sales to the
communications equipment market.

(Others) Other sales increased year on year. While sales of anechoic chambers
for electromagnetic noise control were down slightly, TDK recorded higher
external sales of manufacturing equipment and other products.

(2) Recording media & systems segment

This segment is made up of four product categories: audiotapes, videotapes,
optical media and other products.

Segment sales declined 8.9% to �56,406 million (U.S.$508,162 thousand), from �
61,927 million. The segment recorded an operating loss of �3,019 million
(U.S.$27,198 thousand), an increase of 66.6% from last year's operating loss of
�1,812 million.

(Audiotapes and videotapes) Sales of audiotapes and videotapes declined year on
year. While TDK maintained a high market share, demand continues to decline for
these products as a whole.

(Optical media) Sales of optical media increased, as sharply higher sales
volumes of DVDs due to expanding demand absorbed the effect of downward
pressure on sales prices.

(Other products) Sales of other products decreased year on year, the result
mainly of the sale in the previous fiscal year of a U.S. software development
subsidiary and sluggish sales of recording equipment. On the other hand, the
steady increase continued in sales of LTO-standard* (Linear Tape-Open)
tape-based data storage media for computers.

*Linear Tape-Open, LTO, LTO logo, Ultrium and Ultrium logo are trademarks of
HP, IBM and Certance LLC in the U.S., other countries or both.

(Sales by Region)

Detailed geographic segment information can be found in the segment information
on page 17 of the consolidated results.

By region, in Japan, the electronic materials and recording devices sectors
recorded higher sales. However, sales were down slightly in the electronic
devices sector and the recording media & systems segment.

In the Americas, sales in the electronic materials sector and the recording
media & systems segment declined. The higher yen versus the U.S. dollar also
impacted sales in the Americas.

In Europe, lower sales were recorded in the recording media & systems segment.

In Asia (excluding Japan) and other areas, sales declined in the recording
devices sector, but the electronic materials and electronic devices sectors
recorded higher sales.

The overall result was a 1.5% decrease in overseas sales year on year, from �
234,743 million to �231,138 million (U.S.$2,082,324 thousand). Overseas sales
accounted for 72.5% of consolidated net sales, a 1.7 percentage point decrease
from 74.2%.

On a parent-company basis, net sales increased 10.0% to �167,709 million
(US$1,510,891 thousand), from �152,474 million. Operating income was �5,696
million (U.S.$51,315 thousand), up 436.3% from �1,062 million. Current income
was �22,169 million (U.S.$199,720 thousand), up 360.0% from �4,819 million. Net
income was �15,883 million (U.S.$143,090 thousand), up 1,309.3% from �1,127
million, meaning basic net income per common share was �119.99 (U.S.$1.08),
compared with �8.51 in the first half of the previous fiscal year.

At the meeting of TDK's Board of Directors on October 28, an interim dividend
of �30 per share of common stock was approved.

2. Financial Position

(2-1) The following table summarizes TDK's balance sheet at September 30, 2004,
compared with March 31, 2004.

Total assets                        �807,913     4.9% increase
                                    million                   
                                                              
Total stockholders' equity          �610,176     5.9% increase
                                    million                   
                                                              
Equity ratio                        75.5%        0.7 point    
                                                 increase     

At September 30, 2004, cash and cash equivalents were �8,814 million higher
than at March 31, 2004, net trade receivables were �5,340 million higher,
inventories were �10,128 million higher and other current assets were �8,522
million higher. Net property, plant and equipment rose �7,808 million. As a
result of these and other changes, total assets increased �37,594 million.

Total liabilities increased �3,659 million. While retirement and severance
benefits declined �9,663 million, trade payables increased �647 million,
accrued expenses rose �5,033 million and income taxes payables rose �6,695
million.

Total stockholders' equity increased �33,957 million, reflecting a �15,283
million rise in retained earnings and a �19,548 million decrease in accumulated
other comprehensive loss.

(2-2) Cash Flows

                                                                               (�
                                                                        millions)
                                                                                 
                                                        Fiscal   Fiscal    Change
                                                          2005     2004          
                                                                                 
                                                       Interim  Interim          
                                                                                 
Net cash provided by operating activities               38,415   52,031  (13,616)
                                                                                 
Net cash used in investing activities                 (29,107) (18,535)  (10,572)
                                                                                 
Net cash used in financing activities                  (5,701)  (5,292)     (409)
                                                                                 
Effect of exchange rate changes on cash and cash         5,207  (5,349)    10,556
equivalents                                                                      
                                                                                 
Net increase in cash and cash equivalents                8,814   22,855  (14,041)
                                                                                 
Cash and cash equivalents at beginning of period       227,155  170,551    56,604
                                                                                 
Cash and cash equivalents at end of period             235,969  193,406    42,563

Operating activities provided net cash of �38,415 million (U.S.$346,081
thousand), a year-on-year decrease of �13,616 million. Net income rose �612
million to �19,869 million (U.S.$179,000 thousand) and depreciation and
amortization increased �1,726 million to �25,368 million (U.S.$228,540
thousand). In changes in assets and liabilities, trade receivables decreased �
5,877 million, trade payables decreased �8,681 million and income taxes
payables, net increased �5,121 million.

Investing activities used net cash of �29,107 million (U.S.$262,225 thousand),
�10,572 million more than a year earlier. This mainly reflected a �9,030
million increase to �29,856 million (U.S.$268,973 thousand) in capital
expenditures.

Financing activities used net cash of �5,701 million (U.S.$51,360 thousand), �
409 million more than a year earlier, mainly due to a �656 million increase in
dividends paid.

3. Fiscal 2005 Projections

TDK's projections for fiscal 2005, the year ending March 31, 2005, are as
follows.

[Consolidated Projections for Fiscal 2005]

                                                         Year % change     Year
                                                       ending             ended
                                                                  from         
                                                        March   FY2004    March
                                                         2005              2004
                                                                               
                                                           (�                (�
                                                     million)          million)
                                                                               
Net sales                                             680,000      3.2  658,862
                                                                               
Operating income                                       60,000     10.5   54,322
                                                                               
Income before                                                                  
                                                                               
income taxes                                           62,000     11.5   55,603
                                                                               
Net income                                             46,500     10.4   42,101

[Non-Consolidated Projections for Fiscal 2005]

                                                         Year % change     Year
                                                       ending             ended
                                                                  from         
                                                        March   FY2004    March
                                                         2005              2004
                                                                               
                                                           (�                (�
                                                     million)          million)
                                                                               
Net sales                                             344,700      9.1  316,050
                                                                               
Operating income                                       13,400    663.1    1,756
                                                                               
Current income                                         33,700    227.9   10,277
                                                                               
Net income                                             22,900    413.7    4,458

Note:

The projections are based principally on the following assumptions:

* An average yen-U.S. dollar exchange rate of �105 for the second half of the
year.

* The projections take into consideration seasonal factors, namely higher
demand at the end of the calendar year, in the third quarter for passive
components (electronic materials and electronic devices). But with market
conditions expected to deteriorate thereafter, demand may wane in the fourth
quarter of fiscal 2005.

* In recording devices, demand for HDD heads is expected to recover in the
second half of the fiscal year on growing demand for HDDs.

* In the recording media & systems segment, seasonal factors are expected to
lift sales of existing audiotapes and videotapes and optical media products
above first-half levels.

* TDK is projecting a year-on-year increase in sales in the electronic
materials and components segment but a decrease in the recording media &
systems segment. On a consolidated basis, TDK is projecting a 3.2% year-on-year
increase in net sales as a whole.

Cautionary Statement About Projections

This earnings release contains forward-looking statements, including
projections, plans, policies, management strategies, targets, schedules,
understandings and evaluations, about TDK and its group companies that are not
historical facts. These forward-looking statements are based on current
forecasts, estimates, assumptions, plans, beliefs and evaluations in light of
information available to management on the date of this earnings release.

In preparing forecasts and estimates, TDK and its group companies have used, as
their bases, certain assumptions as necessary, in addition to confirmed
historical facts. However, due to their nature, there is no guarantee that
these statements and assumptions will prove to be accurate in the future. TDK
therefore wishes to caution readers that these statements, facts and certain
assumptions contained in this earnings release are subject to a number of risks
and uncertainties and may prove to be inaccurate.

The electronics markets in which TDK and its group companies operate are highly
susceptible to rapid changes. Furthermore, TDK and its group companies operate
not only in Japan, but in many other countries. As such, factors that can have
significant effects on its results include, but are not limited to, shifts in
technology, demand, prices, competition, economic environments and foreign
exchange rates.

The premises and assumptions used in computing the projections in this earnings
release include, but are not limited to, those explained above.

                                                                   Consolidated

I-4) Statements of income

                             The first half of FY2005  The first half      Change     
                                                          of FY2004                   
                            (April 1, 2004 - Sep. 30,                                 
                                      2004)            (April 1, 2003                 
                                                         - Sep. 30,                   
                                                            2003)                     
                                                                                      
Item/Term                        (Yen     %     (U.S.$      (Yen     %      (Yen     %
                            millions)       thousands) millions)       millions)      
                                                                                      
Net sales                     318,770 100.0  2,871,802   316,279 100.0     2,491   0.8
                                                                                      
Cost of sales                 228,776  71.8  2,061,045   227,919  72.1       857   0.4
                                                                                      
Gross profit                   89,994  28.2    810,757    88,360  27.9     1,634   1.8
                                                                                      
Selling, general and           63,105  19.8    568,514    64,340  20.3   (1,235)  -1.9
administrative expenses                                                               
                                                                                      
Operating income               26,889   8.4    242,243    24,020   7.6     2,869  11.9
                                                                                      
Other income (deductions):                                                            
                                                                                      
Interest and dividend             643            5,793       655            (12)      
income                                                                                
                                                                                      
Interest expense                (157)          (1,414)     (212)              55      
                                                                                      
Foreign exchange gain             592            5,333   (2,037)           2,629      
(loss)                                                                                
                                                                                      
Other-net                         837            7,540     2,588         (1,751)      
                                                                                      
Total other income              1,915   0.6     17,252       994   0.3       921  92.7
(deductions)                                                                          
                                                                                      
Income before income taxes     28,804   9.0    259,495    25,014   7.9     3,790  15.2
                                                                                      
Income taxes                    8,852   2.8     79,747     5,511   1.7     3,341  60.6
                                                                                      
Income before minority         19,952   6.2    179,748    19,503   6.2       449   2.3
interests                                                                             
                                                                                      
Minority interests                 83     -        748       246   0.1     (163) -66.3
                                                                                      
Net income                     19,869   6.2    179,000    19,257   6.1       612   3.2


Note: U.S.$1=Yen 111

                                                                   Consolidated

I-5) Balance sheets

                                    ASSETS                                     

                     As of Sep. 30, 2004     As of Mar. 31,   Change   As of Sep. 30, 
                                                  2004                      2003      
                                                                                      
Item/Term              (Yen     %     (U.S.$      (Yen     %      (Yen      (Yen     %
                  millions)       thousands) millions)       millions) millions)      
                                                                                      
Current assets      509,541  63.1  4,590,459   475,773  61.8    33,768   446,324  59.5
                                                                                      
Cash and cash       235,969        2,125,847   227,155           8,814   193,406      
equivalents                                                                           
                                                                                      
Marketable            1,366           12,306       402             964         -      
securities                                                                            
                                                                                      
Net trade           143,671        1,294,333   138,331           5,340   141,343      
receivables                                                                           
                                                                                      
Inventories          87,429          787,649    77,301          10,128    77,663      
                                                                                      
Other current        41,106  ____    370,324    32,584  ____     8,522    33,912  ____
assets                                                                                
                                                                                      
Noncurrent assets   298,372  36.9  2,688,036   294,546  38.2     3,826   304,391  40.5
                                                                                      
Investments in       17,896          161,225    18,381           (485)    16,791      
securities                                                                            
                                                                                      
Net property,       216,753        1,952,730   208,945           7,808   216,670      
plant and                                                                             
equipment                                                                             
                                                                                      
Other assets         63,723  ____    574,081    67,220  ____   (3,497)    70,930  ____
                                                                                      
TOTAL               807,913 100.0  7,278,495   770,319 100.0    37,594   750,715 100.0

                                                                               
                     LIABILITIES AND STOCKHOLDERS' EQUITY                      

                         As of Sep. 30, 2004     As of Mar. 31,   Change   As of Sep. 30, 
                                                      2004                      2003      
                                                                                          
Item/Term                  (Yen     %     (U.S.$      (Yen     %      (Yen      (Yen     %
                      millions)       thousands) millions)       millions) millions)      
                                                                                          
Current liabilities     127,954  15.9  1,152,739   115,218  15.0    12,736   109,836  14.7
                                                                                          
Short-term debt             160            1,441       416           (256)     1,620      
                                                                                          
Trade payables           60,564          545,622    59,917             647    60,454      
                                                                                          
Accrued expenses         50,567          455,558    45,534           5,033    37,766      
                                                                                          
Income taxes payables    11,384          102,559     4,689           6,695     2,163      
                                                                                          
Other current             5,279   ___     47,559     4,662   ___       617     7,833  ____
liabilities                                                                               
                                                                                          
Noncurrent               66,529   8.2    599,360    75,606   9.8   (9,077)    75,989  10.1
liabilities                                                                               
                                                                                          
Long-term debt,              58              522        27              31        89      
excluding current                                                                         
installments                                                                              
                                                                                          
Retirement and           63,858          575,297    73,521         (9,663)    75,811      
severance benefits                                                                        
                                                                                          
Deferred income taxes       745            6,712       215             530        13      
                                                                                          
Other noncurrent          1,868           16,829     1,843              25        76      
liabilities                                                                               
                                                                                          
Total liabilities       194,483  24.1  1,752,099   190,824  24.8     3,659   185,825  24.8
                                                                                          
Minority interests        3,254   0.4     29,315     3,276   0.4      (22)     3,228   0.4
                                                                                          
Common stock             32,641          294,063    32,641               -    32,641      
                                                                                          
Additional paid-in       63,051          568,027    63,051               -    63,051      
capital                                                                                   
                                                                                          
Legal reserve            17,055          153,649    16,497             558    16,494      
                                                                                          
Retained earnings       576,039        5,189,540   560,756          15,283   541,295      
                                                                                          
Accumulated other      (70,839)        (638,189)  (90,387)          19,548  (85,204)      
comprehensive income                                                                      
(loss)                                                                                    
                                                                                          
Treasury stock          (7,771)         (70,009)   (6,339)         (1,432)   (6,615)      
                                                                                          
Total stockholders'     610,176  75.5  5,497,081   576,219  74.8    33,957   561,662  74.8
equity                                                                                    
                                                                                          
TOTAL                   807,913 100.0  7,278,495   770,319 100.0    37,594   750,715 100.0


Note: U.S.$1=Yen 111

                                                                   Consolidated

I-6) Statements of stockholders' equity

                           The first half of    FY2004   The first
                                 FY2005                    half   
                                               (April 1,          
                            (April 1, 2004 -    2003 -   of FY2004
                             Sep. 30, 2004)                       
                                               Mar. 31,  (April 1,
                                                 2004)    2003 -  
                                                                  
                                                         Sep. 30, 
                                                           2003)  
                                                                  
Item/Term                      (Yen     (U.S.$      (Yen      (Yen
                          millions) thousands) millions) millions)
                                                                  
Common stock:                                                     
                                                                  
Balance at beginning of      32,641    294,063    32,641    32,641
period                                                            
                                                                  
Balance at end of period     32,641    294,063    32,641    32,641
                                                                  
Additional paid-in                                                
capital:                                                          
                                                                  
Balance at beginning of      63,051    568,027    63,051    63,051
period                                                            
                                                                  
Balance at end of period     63,051    568,027    63,051    63,051
                                                                  
Legal reserve:                                                    
                                                                  
Balance at beginning of      16,497    148,622    15,953    15,953
period                                                            
                                                                  
Transferred from retained       558      5,027       544       541
earnings                                                          
                                                                  
Balance at end of period     17,055    153,649    16,497    16,494
                                                                  
Retained earnings:                                                
                                                                  
Balance at beginning of     560,756  5,051,856   525,919   525,919
period                                                            
                                                                  
Net income                   19,869    179,000    42,101    19,257
                                                                  
Cash dividends              (3,972)   (35,784)   (6,625)   (3,316)
                                                                  
Losses on sales of             (56)      (505)      (95)      (24)
treasury stock                                                    
                                                                  
Transferred to legal          (558)    (5,027)     (544)     (541)
reserve                                                           
                                                                  
Balance at end of period    576,039  5,189,540   560,756   541,295
                                                                  
Accumulated other                                                 
comprehensive income                                              
(loss):                                                           
                                                                  
Balance at beginning of    (90,387)  (814,297)  (78,824)  (78,824)
period                                                            
                                                                  
Other comprehensive          19,548    176,108  (11,563)   (6,380)
income (loss) for the                                             
period, net of tax                                                
                                                                  
Balance at end of period   (70,839)  (638,189)  (90,387)  (85,204)
                                                                  
Treasury stock:                                                   
                                                                  
Balance at beginning of     (6,339)   (57,108)   (4,855)   (4,855)
period                                                            
                                                                  
Acquisition of treasury     (1,658)   (14,937)   (1,865)   (1,854)
stock                                                             
                                                                  
Exercise of stock option        226      2,036       381        94
                                                                  
Balance at end of period    (7,771)   (70,009)   (6,339)   (6,615)
                                                                  
Total stockholders'         610,176  5,497,081   576,219   561,662
equity                                                            
                                                                  
Disclosure of                                                     
comprehensive income                                              
(loss):                                                           
                                                                  
Net income for the period    19,869    179,000    42,101    19,257
                                                                  
Other comprehensive          19,548    176,108  (11,563)   (6,380)
income (loss) for the                                             
period, net of tax                                                
                                                                  
Total comprehensive          39,417    355,108    30,538    12,877
income for the period                                             


Note: U.S.$1=Yen 111

                                                                   Consolidated

I-7) Statements of cash flows

                                                     The first half of   The first
                                                           FY2005          half   
                                                                                  
                                                      (April 1, 2004 -   of FY2004
                                                       Sep. 30, 2004)             
                                                                         (April 1,
                                                                           2003-  
                                                                                  
                                                                         Sep. 30, 
                                                                           2003)  
                                                                                  
Item/Term                                             (Yen      (U.S.$     (Yen   
                                                    millions) thousands) millions)
                                                                                  
Cash flows from operating activities:                                             
                                                                                  
Net income                                             19,869    179,000    19,257
                                                                                  
Adjustments to reconcile net income to net cash                                   
provided by operating activities:                                                 
                                                                                  
Depreciation and amortization                          25,368    228,540    23,642
                                                                                  
Loss on disposal of property and equipment                233      2,099     1,231
                                                                                  
Deferred income taxes                                 (3,311)   (29,829)     2,494
                                                                                  
Loss (gain) on securities, net                           (95)      (856)     1,068
                                                                                  
Changes in assets and liabilities:                                                
                                                                                  
Increase in trade receivables                           (983)    (8,856)   (6,860)
                                                                                  
Increase in inventories                               (7,679)   (69,180)   (6,323)
                                                                                  
Increase in other current assets                      (6,764)   (60,937)     (277)
                                                                                  
Increase (decrease) in trade payables                 (2,270)   (20,450)     6,411
                                                                                  
Increase in accrued expenses                            3,338     30,072     2,881
                                                                                  
Increase (decrease) in income taxes payables, net       7,193     64,802     2,072
                                                                                  
Increase in retirement and severance benefits           3,194     28,775     4,377
                                                                                  
Other-net                                                 322      2,901     2,058
                                                                                  
Net cash provided by operating activities              38,415    346,081    52,031
                                                                                  
Cash flows from investing activities:                                             
                                                                                  
Capital expenditures                                 (29,856)  (268,973)  (20,826)
                                                                                  
Proceeds from sales and maturities of investments         210      1,892     1,830
in securities                                                                     
                                                                                  
Payment for purchase of investments in securities       (200)    (1,802)         -
                                                                                  
Payment for purchase of other investments               (128)    (1,153)      (96)
                                                                                  
Proceeds from sales of property, plant and                867      7,811       844
equipment                                                                         
                                                                                  
Acquisition of minority interests                           -          -     (287)
                                                                                  
Net cash used in investing activities                (29,107)  (262,225)  (18,535)
                                                                                  
Cash flows from financing activities:                                             
                                                                                  
Proceeds from long-term debt                              137      1,234        35
                                                                                  
Repayment of long-term debt                              (53)      (477)     (212)
                                                                                  
Increase (decrease) in short-term debt, net             (325)    (2,928)      (15)
                                                                                  
Sale (purchase) of treasury stock, net                (1,488)   (13,405)   (1,784)
                                                                                  
Dividends paid                                        (3,972)   (35,784)   (3,316)
                                                                                  
Net cash used in financing activities                 (5,701)   (51,360)   (5,292)
                                                                                  
Effect of exchange rate changes on cash and cash        5,207     46,910   (5,349)
equivalents                                                                       
                                                                                  
Net increase in cash and cash equivalents               8,814     79,406    22,855
                                                                                  
Cash and cash equivalents at beginning of period      227,155  2,046,441   170,551
                                                                                  
Cash and cash equivalents at end of period            235,969  2,125,847   193,406


Note: U.S.$1=Yen 111

                                                                   Consolidated

I-8) Summary of Significant Accounting Policies

1. The consolidated financial statements are prepared in conformity with the
U.S. GAAP.

(1) Marketable Securities

Statement of Financial Accounting Standards ("SFAS") No.115, "Accounting for
Certain Investments in Debt and Equity Securities" is adopted.

(2) Inventories

Inventories are stated at the lower of cost or market. Cost is determined
principally by the average method.

(3) Depreciation

Depreciation of property, plant and equipment is principally computed by the
declining-balance method for assets located in Japan and certain foreign
subsidiaries, and by the straight-line method for assets of other foreign
subsidiaries based on estimated useful lives.

(4) Income Taxes

Income taxes are accounted for under the asset and liability method. Deferred
tax assets and liabilities are recognized for the estimated future tax
consequences attributable to differences between the financial statement
carrying amounts of existing assets and liabilities and their respective tax
base and operating loss and tax credit carryforwards.

(5) Derivatives Financial Instruments

SFAS No.133, "Accounting for Derivative Instruments and Hedging Activities" and
SFAS No.138, "Accounting for Certain Derivative Instruments and Certain Hedging
Activities, an amendment of FASB Statement No.133" are adopted.

(6) Goodwill and Other Intangible Assets

SFAS No.141, "Business Combinations" and SFAS No.142, "Goodwill and Other
Intangible Assets" are adopted.

2. During this consolidated accounting period, TDK had 71 subsidiaries (19 in
Japan and 52 overseas). TDK also had 8 affiliates (5 in Japan and 3 overseas)
whose financial statements are accounted for by the equity method.

3. Comprehensive income comprises net income and other comprehensive income.
Other comprehensive income includes changes in foreign currency translation
adjustments, minimum pension liability adjustments and net unrealized gains
(losses) on securities. The net income, other comprehensive income (loss), net
of tax and total comprehensive income for the six months ended September 30,
2004 and 2003 were as follows;

                                               The first half of   The first half
                                                     FY2005          of FY2004   
                                                                                 
                                                (April 1, 2004 -   (April 1, 2003
                                                 Sep. 30, 2004)      - Sep. 30,  
                                                                       2003)     
                                                                                 
Item/Term                                          (Yen     (U.S.$ (Yen millions)
                                              millions) thousands)               
                                                                                 
Net income                                       19,869    179,000         19,257
                                                                                 
Other comprehensive income (loss), net of                                        
tax:                                                                             
                                                                                 
Foreign currency translation adjustments         11,799    106,297       (14,709)
                                                                                 
Minimum pension liability adjustments             8,184     73,730          8,296
                                                                                 
Net unrealized gains (losses) on securities       (435)    (3,919)             33
                                                                                 
Total comprehensive income                       39,417    355,108         12,877


Note: U.S.$1=Yen 111

                                                                   Consolidated

I-9) Segment Information

The following industry and geographic segment information are required by the
Japanese Securities Exchange Law.

1. Industry segment information

                 The first half of FY2005   The first half of        Change      
                                                 FY2004                          
                (April 1, 2004 - Sep. 30,                                        
                          2004)             (April 1, 2003 -                     
                                             Sep. 30, 2003)                      
                                                                                 
Product/Term         (Yen     %     (U.S.$        (Yen       %      (Yen        %
                millions)       thousands)   millions)         millions)         
                                                                                 
Electronic                                                                       
materials and                                                                    
components                                                                       
                                                                                 
Net sales         262,364 100.0  2,363,640     254,352   100.0     8,012      3.1
                                                                                 
Unaffiliated      262,364        2,363,640     254,352             8,012      3.1
customers                                                                        
                                                                                 
Intersegment            -                -           -                 -        -
                                                                                 
Operating         232,456  88.6  2,094,199     228,520    89.8     3,936      1.7
expenses                                                                         
                                                                                 
Operating          29,908  11.4    269,441      25,832    10.2     4,076     15.8
income                                                                           
                                                                                 
Recording media                                                                  
& systems                                                                        
                                                                                 
Net sales          56,406 100.0    508,162      61,927   100.0   (5,521)     -8.9
                                                                                 
Unaffiliated       56,406          508,162      61,927           (5,521)     -8.9
customers                                                                        
                                                                                 
Intersegment            -                -           -                 -        -
                                                                                 
Operating          59,425 105.4    535,360      63,739   102.9   (4,314)     -6.8
expenses                                                                         
                                                                                 
Operating         (3,019)  -5.4   (27,198)     (1,812)    -2.9   (1,207)    -66.6
income (loss)                                                                    
                                                                                 
TOTAL                                                                            
                                                                                 
Net sales         318,770 100.0  2,871,802     316,279   100.0     2,491      0.8
                                                                                 
Unaffiliated      318,770        2,871,802     316,279             2,491      0.8
customers                                                                        
                                                                                 
Intersegment            -                -           -                 -        -
                                                                                 
Operating         291,881  91.6  2,629,559     292,259    92.4     (378)     -0.1
expenses                                                                         
                                                                                 
Operating          26,889   8.4    242,243      24,020     7.6     2,869     11.9
income                                                                           


Note: U.S.$1=Yen 111

2. Geographic segment information

                            The first half of FY2005   The first half      Change     
                                                         of FY2004                    
                           (April 1, 2004 - Sep. 30,                                  
                                     2004)            (April 1, 2003 -                
                                                       Sep. 30, 2003)                 
                                                                                      
Region/Term                     (Yen     %     (U.S.$       (Yen     %      (Yen     %
                           millions)       thousands)  millions)       millions)      
                                                                                      
Japan         Net sales      173,096 100.0  1,559,424    158,716 100.0    14,380   9.1
                                                                                      
              Operating       10,963   6.3     98,766      3,508   2.2     7,455 212.5
              income                                                                  
                                                                                      
Americas      Net sales       45,656 100.0    411,315     49,713 100.0   (4,057)  -8.2
                                                                                      
              Operating        1,450   3.2     13,063      (605)  -1.2     2,055     -
              income                                                                  
              (loss)                                                                  
                                                                                      
Europe        Net sales       35,908 100.0    323,496     36,568 100.0     (660)  -1.8
                                                                                      
              Operating      (1,383)  -3.9   (12,460)       (59)  -0.2   (1,324)     -
              income                                                                  
              (loss)                                                                  
                                                                                      
Asia and      Net sales      188,065 100.0  1,694,279    185,691 100.0     2,374   1.3
others                                                                                
                                                                                      
              Operating       17,334   9.2    156,162     21,560  11.6   (4,226) -19.6
              income                                                                  
                                                                                      
Intersegment  Net sales      123,955        1,116,712    114,409           9,546      
eliminations                                                                          
                                                                                      
              Operating        1,475           13,288        384           1,091      
              income                                                                  
                                                                                      
Total         Net sales      318,770 100.0  2,871,802    316,279 100.0     2,491   0.8
                                                                                      
              Operating       26,889   8.4    242,243     24,020   7.6     2,869  11.9
              income                                                                  


Notes:

1. The sales are classified by geographic areas of the seller and include
transfers between geographic areas.

2. U.S.$1=Yen 111

3. Sales by region

                              The first half of FY2005  The first half      Change    
                                                           of FY2004                  
                             (April 1, 2004 - Sep. 30,                                
                                       2004)            (April 1, 2003                
                                                          - Sep. 30,                  
                                                             2003)                    
                                                                                      
Region/Term                       (Yen     %     (U.S.$      (Yen     %      (Yen    %
                             millions)       thousands) millions)       millions)     
                                                                                      
Americas                        40,288  12.6    362,955    43,328  13.7   (3,040) -7.0
                                                                                      
Europe                          36,204  11.4    326,162    36,987  11.7     (783) -2.1
                                                                                      
Asia and others                154,646  48.5  1,393,207   154,428  48.8       218  0.1
                                                                                      
Overseas sales total           231,138  72.5  2,082,324   234,743  74.2   (3,605) -1.5
                                                                                      
Japan                           87,632  27.5    789,478    81,536  25.8     6,096  7.5
                                                                                      
Net sales                      318,770 100.0  2,871,802   316,279 100.0     2,491  0.8
                                                                                      


Notes:

1. Sales by region are classified by geographic areas of the buyer.

 2. U.S.$1=Yen 111
   
                                                                   Consolidated

I-10) Fair Value of Securities

                                                Cost    Gross      Gross    Fair 
                                                                                 
                                                      Unrealized Unrealized Value
                                                                                 
                                                       Holding    Holding        
                                                        Gains      Losses        
                                                                                 
(Yen millions)                                                                   
                                                                                 
As of Sep. 30, 2004                                                              
                                                                                 
Equity securities                               3,384        491        137 3,738
                                                                                 
Debt securities                                 1,103          -          - 1,103
                                                                                 
Total                                           4,487        491        137 4,841
                                                                                 
As of March 31, 2004                                                             
                                                                                 
Equity securities                               2,782      1,054          - 3,836
                                                                                 
Debt securities                                 1,101          -          - 1,101
                                                                                 
Total                                           3,883      1,054          - 4,937
                                                                                 
As of Sep. 30, 2003                                                              
                                                                                 
Equity securities                               1,262        180         13 1,429
                                                                                 
Debt securities                                 1,099          -          2 1,097
                                                                                 
Total                                           2,361        180         15 2,526

                                               Cost    Gross      Gross     Fair 
                                                                                 
                                                     Unrealized Unrealized Value 
                                                                                 
                                                      Holding    Holding         
                                                       Gains      Losses         
                                                                                 
U.S.$1=Yen 111                                                                   
                                                                                 
(U.S.$ thousands)                                                                
                                                                                 
As of Sep. 30, 2004                                                              
                                                                                 
Equity securities                             30,487      4,423      1,234 33,676
                                                                                 
Debt securities                                9,937          -          -  9,937
                                                                                 
Total                                         40,424      4,423      1,234 43,613

I-11) Fair Value of Derivatives

                                                      Contract Carrying Estimated
                                                                          Fair   
                                                                                 
(Yen millions)                                         Amount   Amount    Value  
                                                                                 
As of Sep. 30, 2004                                                              
                                                                                 
Forward foreign exchange contracts                         962      (7)       (7)
                                                                                 
Currency option contracts                               20,266    (133)     (133)
                                                                                 
Currency swap agreements for loans to its               10,533    (271)     (271)
subsidiaries                                                                     
                                                                                 
As of March 31, 2004                                                             
                                                                                 
Forward foreign exchange contracts                      18,638      396       396
                                                                                 
Currency option contracts                               16,340       91        91
                                                                                 
Currency swap agreements for loans to its               12,605      252       252
subsidiaries                                                                     
                                                                                 
As of Sep. 30, 2003                                                              
                                                                                 
Forward foreign exchange contracts                       3,124     (21)      (21)
                                                                                 
Currency swap agreements for loans to its               10,418      (9)       (9)
subsidiaries                                                                     

U.S.$1=Yen 111                                        Contract Carrying Estimated
                                                                          Fair   
                                                                                 
(U.S.$ thousands)                                      Amount   Amount    Value  
                                                                                 
As of Sep. 30, 2004                                                              
                                                                                 
Forward foreign exchange contracts                       8,667     (63)      (63)
                                                                                 
Currency option contracts                              182,577  (1,198)   (1,198)
                                                                                 
Currency swap agreements for loans to its               94,892  (2,441)   (2,441)
subsidiaries                                                                     
                                                                   Consolidated

I-12) Supplementary Information (Consolidated)

Exchange rates used for conversion

                                      April 1, 2004 - Sep.  April 1, 2003 - Sep.
                                            30, 2004              30, 2003      
                                                                                
Item/Term                                US$=Yen   Euro=Yen   US$=Yen   Euro=Yen
                                                                                
Sales                                    109.80      133.28   118.08      133.51
                                                                                
The end of the period                    111.05      137.04   111.25      129.19

Consolidated

                       April 1, 2004 -  April 1, 2003 -          April 1, 2003 - 
                        Sep. 30, 2004    Sep. 30, 2003           March 31, 2004  
                                                                                 
Item/Term                 Amount  Ratio    Amount  Ratio Change    Amount   Ratio
                                     to               to                       to
                            (Yen             (Yen           (%)      (Yen        
                       millions)  sales millions)  sales        millions)   sales
                                    (%)              (%)                      (%)
                                                                                 
Capital expenditures      29,856      -    20,826      -   43.4    44,866       -
                                                                                 
Depreciation and          25,368    8.0    23,642    7.5    7.3    51,233     7.8
amortization                                                                     
                                                                                 
Research and              18,192    5.7    17,179    5.4    5.9    34,495     5.2
development                                                                      
                                                                                 
Result of financial          486              443           9.7       866        
income                                                                           
                                                                                 
Number of employees       35,844           34,535                  36,804        
(as at the end of the                                                            
period)                                                                          
                                                                                 
Ratio of overseas                 59.1%            60.4%                    58.9%
production                                                                       

OVERSEAS SALES BY DIVISION

                       April 1, 2004 -  April 1, 2003 -         April 1, 2003 - 
                        Sep. 30, 2004    Sep. 30, 2003          March 31, 2004  
                                                                                
Product/Term              Amount  Ratio    Amount Ratio Change    Amount   Ratio
                                     to              to    (%)                to
                            (Yen             (Yen                   (Yen        
                       millions)  sales millions) sales        millions)   sales
                                    (%)             (%)                      (%)
                                                                                
Electronic materials     189,691   59.5   188,074  59.5    0.9   386,736    58.7
and components                                                                  
                                                                                
Electronic materials      66,184   20.8    60,211  19.0    9.9   121,446    18.5
                                                                                
Electronic devices        34,867   10.9    29,583   9.4   17.9    61,373     9.3
                                                                                
Recording devices         83,449   26.2    94,222  29.8  -11.4   195,137    29.6
                                                                                
Semiconductors &           5,191    1.6     4,058   1.3   27.9     8,780     1.3
others                                                                          
                                                                                
Recording media &         41,447   13.0    46,669  14.7  -11.2   103,470    15.7
systems                                                                         
                                                                                
Overseas sales           231,138   72.5   234,743  74.2   -1.5   490,206    74.4

                                                               Non-Consolidated

II. Non-Consolidated

II-1) Summary

Non-Consolidated results (April 1, 2004 - September 30, 2004)

                             The first half of FY2005  The first half      Change     
                                                          of FY2004                   
                            (April 1, 2004 - Sep. 30,                                 
                                      2004)            (April 1, 2003                 
                                                         - Sep. 30,                   
                                                            2003)                     
                                                                                      
Item/Term                        (Yen     %     (U.S.$      (Yen     %      (Yen     %
                            millions)       thousands) millions)       millions)      
                                                                                      
Net sales                     167,709 100.0  1,510,891   152,474 100.0    15,235  10.0
                                                                                      
Operating income                5,696   3.4     51,315     1,062   0.7     4,634 436.3
                                                                                      
Current income                 22,169  13.2    199,720     4,819   3.2    17,350 360.0
                                                                                      
Net income                     15,883   9.5    143,090     1,127   0.7    14,756     -
                                                                                      
Per common share:                                                                     
                                                                                      
Net income/Basic                  Yen        U.S.$1.08  Yen 8.51                      
                               119.99                                                 
                                                                                      
Net income/Diluted                Yen        U.S.$1.08  Yen 8.51                      
                               119.91                                                 
                                                                                      
Dividends per share         Yen 30.00        U.S.$0.27 Yen 25.00                      


Notes:

1. Any portion less than Yen one million is disregarded, the same being
applicable hereinafter. U.S.$1=Yen 111 (U.S. dollar translation is added herein
solely for convenience of readers outside Japan.)

2. The figures for net income per common share are calculated based upon the
weighted average number of shares of common stock (the total outstanding
number).

(Sales breakdown)

                            The first half of FY2005  The first half      Change     
                                                         of FY2004                   
                           (April 1, 2004 - Sep. 30,                                 
                                     2004)            (April 1, 2003                 
                                                        - Sep. 30,                   
                                                           2003)                     
                                                                                     
Product/Term                    (Yen     %     (U.S.$      (Yen     %      (Yen     %
                           millions)       thousands) millions)       millions)      
                                                                                     
Electronic materials and     144,433  86.1  1,301,198   131,033  85.9    13,400  10.2
components                                                                           
                                                                                     
Electronic materials          73,734  44.0    664,270    64,157  42.1     9,577  14.9
                                                                                     
Electronic devices            43,410  25.9    391,081    39,041  25.6     4,369  11.2
                                                                                     
Recording devices             16,843  10.0    151,738    20,562  13.5   (3,719) -18.1
                                                                                     
Semiconductors & others       10,445   6.2     94,099     7,272   4.7     3,173  43.6
                                                                                     
Recording media & systems     23,276  13.9    209,693    21,440  14.1     1,836   8.6
                                                                                     
Total sales                  167,709 100.0  1,510,891   152,474 100.0    15,235  10.0
                                                                                     
Overseas sales               100,720  60.1    907,387    87,909  57.7    12,811  14.6


Note: U.S.$1=Yen 111

                                                               Non-Consolidated

II-2) Statements of income (Non-Consolidated)

                           The first half of FY2005  The first half      Change     
                                                        of FY2004                   
                          (April 1, 2004 - Sep. 30,                                 
                                    2004)            (April 1, 2003                 
                                                       - Sep. 30,                   
                                                          2003)                     
                                                                                    
Item/Term                      (Yen     %     (U.S.$      (Yen     %      (Yen     %
                          millions)       thousands) millions)       millions)      
                                                                                    
Net sales                   167,709 100.0  1,510,891   152,474 100.0    15,235  10.0
                                                                                    
Cost of sales               130,812  78.0  1,178,486   123,309  80.9     7,503   6.1
                                                                                    
Gross profit                 36,897  22.0    332,405    29,165  19.1     7,732  26.5
                                                                                    
Selling, general and         31,200  18.6    281,081    28,103  18.4     3,097  11.0
administrative expenses                                                             
                                                                                    
Operating income              5,696   3.4     51,315     1,062   0.7     4,634 436.3
                                                                                    
Other income                                                                        
(deductions):                                                                       
                                                                                    
Interest and dividend        11,761          105,954     3,266           8,495      
income                                                                              
                                                                                    
Technology commission         3,773           33,990     2,269           1,504      
                                                                                    
Interest expense               (19)            (171)      (12)             (7)      
                                                                                    
Foreign exchange gain           515            4,639   (1,740)           2,255      
(loss)                                                                              
                                                                                    
Other-net                       440            3,963      (25)             465      
                                                                                    
Total other income           16,472   9.8    148,396     3,757   2.5    12,715 338.4
(deductions)                                                                        
                                                                                    
Current income               22,169  13.2    199,720     4,819   3.2    17,350 360.0
                                                                                    
Extraordinary profit            107   0.1        963       446   0.3     (339) -76.0
                                                                                    
Extraordinary loss            (509)  -0.3    (4,585)   (4,724)  -3.1     4,215 -89.2
                                                                                    
Income before                                                                       
                                                                                    
income taxes                 21,767  13.0    196,099       541   0.4    21,226     -
                                                                                    
Income taxes                  5,884   3.5     53,009     (586)  -0.4     6,470     -
                                                                                    
Net income                   15,883   9.5    143,090     1,127   0.7    14,756     -


Note: U.S.$1=Yen 111

                                                               Non-Consolidated

II-3) Balance sheets (Non-Consolidated)

                                    ASSETS                                     

                        As of Sep. 30, 2004     As of Mar. 31,   Change   As of Sep. 30, 
                                                     2004                      2003      
                                                                                         
Item/Term                 (Yen     %     (U.S.$      (Yen     %      (Yen      (Yen     %
                     millions)       thousands) millions)       millions) millions)      
                                                                                         
Current assets         275,417  49.8  2,481,234   261,758  49.8    13,659   240,620  47.0
                                                                                         
Cash                    62,052          559,027    59,450           2,602    57,015      
                                                                                         
Marketable              20,498          184,666    15,398           5,100    12,999      
securities                                                                               
                                                                                         
Net trade               87,205          785,630    82,464           4,741    77,898      
receivables                                                                              
                                                                                         
Inventories             26,233          236,333    24,574           1,659    23,962      
                                                                                         
Other current assets    79,427  ____    715,558    79,870  ____     (443)    68,744  ____
                                                                                         
Noncurrent assets      277,866  50.2  2,503,297   264,385  50.2    13,481   271,029  53.0
                                                                                         
Investments in           2,536           22,846     3,202           (666)     2,740      
securities                                                                               
                                                                                         
Investments in         109,426          985,819   107,949           1,477   108,156      
affiliates                                                                               
                                                                                         
Net property, plant    127,099        1,145,036   114,294          12,805   118,897      
and equipment                                                                            
                                                                                         
Other assets            38,802  ____    349,567    38,938  ____     (136)    41,235  ____
                                                                                         
TOTAL                  553,283 100.0  4,984,531   526,143 100.0    27,140   511,650 100.0

                     LIABILITIES AND STOCKHOLDERS' EQUITY                      

                         As of Sep. 30, 2004     As of Mar. 31,   Change   As of Sep. 30, 
                                                      2004                      2003      
                                                                                          
Item/Term                  (Yen     %     (U.S.$      (Yen     %      (Yen      (Yen     %
                      millions)       thousands) millions)       millions) millions)      
                                                                                          
Current liabilities      88,018  15.9    792,954    72,832  13.8    15,186    62,483  12.2
                                                                                          
Trade payables           39,716          357,801    38,704           1,012    36,655      
                                                                                          
Accrued expenses         13,474          121,387    12,831             643    10,003      
                                                                                          
Income taxes payables     7,242           65,243     2,282           4,960        65      
                                                                                          
Other current            27,584   ___    248,504    19,014   ___     8,570    15,758   ___
liabilities                                                                               
                                                                                          
Noncurrent               39,487   7.1    355,738    37,432   7.2     2,055    34,043   6.7
liabilities                                                                               
                                                                                          
Retirement and           39,240          353,513    37,128           2,112    33,746      
severance benefits                                                                        
                                                                                          
Directors' retirement       246            2,216       303            (57)       296      
allowance                                                                                 
                                                                                          
Total liabilities       127,505  23.0  1,148,693   110,264  21.0    17,241    96,526  18.9
                                                                                          
Common stock             32,641          294,063    32,641               -    32,641      
                                                                                          
Additional paid-in       59,256          533,837    59,256               -    59,256      
capital                                                                                   
                                                                                          
Legal reserve             8,160           73,513     8,160               -     8,160      
                                                                                          
Retained earnings       333,425        3,003,828   321,674          11,751   321,723      
                                                                                          
Net unrealized gains         64              576       484           (420)      (44)      
on other securities                                                                       
                                                                                          
Treasury stock          (7,770)         (70,000)   (6,338)         (1,432)   (6,615)      
                                                                                          
Total stockholders'     425,778  77.0  3,835,837   415,878  79.0     9,900   415,123  81.1
equity                                                                                    
                                                                                          
TOTAL                   553,283 100.0  4,984,531   526,143 100.0    27,140   511,650 100.0


Note: U.S.$1=Yen 111

                                                               Non-Consolidated

II-4) Supplementary Information (Non-Consolidated)

Ratio of results on a Consolidated basis to results on a Non-Consolidated basis

                                                    Ratio of the  Ratio of the 
                                                     first half  corresponding 
                                                                               
                                                     of FY2005   period of the 
                                                                 previous year 
                                                                               
Net sales                                                    1.9            2.1
                                                                               
Operating income                                             4.7           22.6
                                                                               
Income before income taxes                                   1.3           46.2
                                                                               
Net income                                                   1.3           17.1

Exchange rates used for conversion

                                              April 1, 2004 April 1, 2003
                                                    -             -      
                                                                         
                                              Sep. 30, 2004 Sep. 30, 2003
                                                                         
Item/Term                                       US$=  Euro=   US$=  Euro=
                                                 Yen    Yen    Yen    Yen
                                                                         
Sales                                         109.80 133.28 118.08 133.51
                                                                         
The end of the period                         111.05 137.04 111.25 129.19

Non-Consolidated

                        April 1, 2004 - April 1, 2003 -        April 1, 2003 -
                                                                              
                         Sep. 30, 2004   Sep. 30, 2003         March 31, 2004 
                                                                              
                           Amount Ratio    Amount Ratio Change    Amount Ratio
                                     to              to                     to
                                                                              
Item/Term                    (Yen sales      (Yen sales    (%)      (Yen sales
                        millions)   (%) millions)   (%)        millions)   (%)
                                                                              
Capital expenditures       26,994     -     8,993     -  200.2    19,627     -
                                                                              
Depreciation and           14,006   8.4    11,127   7.3   25.9    25,109   7.9
amortization                                                                  
                                                                              
Research and               13,434   8.0    11,568   7.6   16.1    24,759   7.8
development                                                                   
                                                                              
Result of financial        11,755           3,262        260.4     3,373      
income                                                                        
                                                                              
Number of employees (as     6,104           6,176                  6,113      
at the end of the                                                             
period)                                                                       

                                                                          



END



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