Supplementary data for the 1st Quarter of FY March 2008 (April 1, 2007 – June 30, 2007) July 31, 2007 Corporate Communications Dept. 1Q of FY March 2008 1 Cautionary Statements with Respect to Forward-Looking Statements This Thismaterial materialcontains containsforward-looking forward-lookingstatements, statements,including includingprojections, projections,plans, plans,policies, policies, management strategies, targets, schedules, understandings and evaluations, about management strategies, targets, schedules, understandings and evaluations, aboutTDK TDKand anditsits group groupcompanies companies(TDK (TDKGroup). Group). These Theseforward-looking forward-lookingstatements statementsare arebased basedon onthe thecurrent current forecasts, forecasts,estimates, estimates,assumptions, assumptions,plans, plans,beliefs beliefsand andevaluations evaluationsofofTDK TDKGroup Groupininlight lightofof information informationcurrently currentlyavailable availabletotoit,it,and andcontain containknown knownand andunknown unknownrisks, risks,uncertainties uncertaintiesand andother other factors. factors.TDK TDKGroup Grouptherefore thereforewishes wishestotocaution cautionreaders readersthat, that,being beingsubject subjecttotorisks, risks,uncertainties uncertainties and andother otherfactors, factors,TDK TDKGroup’s Group’sactual actualresults, results,performance, performance,achievements achievementsororfinancial financialposition position could couldbe bematerially materiallydifferent differentfrom fromany anyfuture futureresults, results,performance, performance,achievements achievementsororfinancial financial position positionexpressed expressedororimplied impliedby bythese theseforward-looking forward-lookingstatements, statements,and andTDK TDKGroup Groupundertakes undertakesno no obligation to publicly update or revise any forward-looking statements after the issue of this material obligation to publicly update or revise any forward-looking statements after the issue of this material except exceptas asprovided providedfor forininlaws lawsand andordinances. ordinances. The electronics markets in which TDK The electronics markets in which TDKGroup Groupoperates operatesare arehighly highlysusceptible susceptibletotorapid rapidchanges. changes. Risks, uncertainties and other factors that can have significant effects on TDK Group include, Risks, uncertainties and other factors that can have significant effects on TDK Group include,but but are arenot notlimited limitedto, to,shifts shiftsinintechnology, technology,fluctuations fluctuationsinindemand, demand,prices, prices,interest interestand andforeign foreignexchange exchange rates, rates,and andchanges changesinineconomic economicenvironments, environments,conditions conditionsofofcompetition, competition,laws lawsand andregulations. regulations. 1Q of FY March 2008 2 Capital expenditures, Depreciation and amortization, Research and development July 31, 2007 FY March 2007 [Results] FY March 2008 FY March 2008 Projections May 15, '07 Projections July 31, '07 Capital expenditures 70.4 75.0 75.0 Depreciation and amortization 65.3 70.0 70.0 Research and development 50.1 53.0 53.0 5.8% 6.1% 6.1% Unit:Yen billions (Share of net sales) <Net sales> 862.0 865.0 1Q of FY March 2008 865.0 3 Consolidated results and projections Unit:Yen billions,% July 31, 2007 FY March 2007 [Results] FY March 2008 FY March 2008 Projections May 15, '07 Projections July 31, '07 (Yen bill.) (Yen bill.) (Yen bill.) (%) (%) (%) Y on Y growth (%) Net sales 862.0 100.0% 865.0 100.0% 865.0 100.0% 0.3% Electronic materials and components 758.8 88.0% 805.0 93.1% 816.0 94.3% 7.5% 199.2 198.2 304.8 23.1% 26.5% 33.9% 229.0 210.0 299.0 26.5% 35.4% 229.0 209.0 293.0 34.6% 14.9% 6.0% -1.9% 56.6 6.5% 74.0 8.5% 78.0 8.9% 37.9% 103.2 12.0% 60.0 6.9% 49.0 5.7% -52.5% Operating income 79.6 9.2% 90.0 10.4% 90.0 10.4% 13.1% Income before income taxes 88.7 10.3% 96.0 11.1% 96.0 11.1% 8.3% Net income 70.1 8.1% 72.0 8.3% 72.0 8.3% 2.7% Electronic materials Electronic devices Recording devices Other electronic components Recording media Exchange rate (U.S.$=Yen) 117 23.0% 110 1Q of FY March 2008 24.2% 113 24.3% * An average yen-U.S. dollar exchange rate of Yen 110 is assumed from the second quarter of fiscal 2008. 4 Sales (Yen billion) Sales and Operating income ratio 250 15.0% 200 12.0% 150 9.0% 100 6.0% 50 3.0% 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 0.0% 167.4 183.0 222.7 222.1 203.6 221.2 223.3 213.9 206.7 Operating income ratio 7.7% 8.3% 9.6% 5.0% 8.8% 9.2% 10.4% 8.5% 7.8% FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 5 Share of sales by products (1Q of FY Mar. 08) Other electronic components 8% Recording devices 34% Electronic materials 24% Sales and Operating income ratio of Electronic materials and components Electronic devices 24% Sales (Yen billions) Recording media 10% 250 15.0% 200 12.0% 150 9.0% 100 6.0% 50 3.0% 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 0.0% 143.3 157.4 192.1 194.9 180.1 196.6 194.5 187.6 185.4 Operating income ratio 10.7% 10.7% 11.6% 10.2% 10.9% 10.6% 11.8% 9.7% 9.5% FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 6 Share of sales by products (1Q of FY Mar. 08) Other electronic components 8% Recording devices 34% Electronic materials 24% Sales of Electronic materials Electronic devices 24% 60 Sales (Yen billions) Recording media 10% 50 40 30 20 10 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 41.0 45.0 47.6 47.1 47.7 51.0 50.3 50.2 49.7 FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 7 Share of sales by products (1Q of FY Mar. 08) Other electronic components 8% Recording devices 34% Electronic materials 24% Sales of Electronic devices Electronic devices 24% 60 Sales (Yen billions) Recording media 10% 50 40 30 20 10 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 28.7 32.3 47.0 46.7 46.4 50.2 50.5 51.1 50.0 FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 8 Share of sales by products (1Q of FY Mar. 08) Other electronic components 8% Recording devices 34% Electronic materials 24% Sales of Recording devices Electronic devices 24% 100 Sales (Yen billions) Recording media 10% 80 60 40 20 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 68.5 71.8 85.7 89.9 73.8 80.3 76.8 74.0 70.4 FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 9 Share of sales by products (1Q of FY Mar. 08) Other electronic components 8% Recording devices 34% Electronic materials 24% Sales of Other electronic components Electronic devices 24% 20 Sales (Yen billions) Recording media 10% 10 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 5.1 8.3 11.8 11.2 12.3 15.0 16.9 12.3 15.3 FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 10 Share of sales by products (1Q of FY Mar. 08) Other electronic components 8% Recording devices 34% Electronic materials 24% Electronic devices 24% Sales and Operating income ratio of Recording media Sales (Yen billions) Recording media 10% 50 10.0% 40 0.0% 30 -10.0% 20 -20.0% 10 -30.0% 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 24.1 25.6 30.6 27.2 23.5 24.6 28.7 26.4 21.3 -40.0% Operating income ratio -10.4% -6.7% -3.0% -31.9% -7.0% -2.7% 0.5% -0.1% -7.0% FY Mar. 06 1Q of FY March 2008 FY Mar. 07 FY Mar. 08 11