Supplementary data for the 3rd quarter FY March 2007 (October 1, 2006 – December 31, 2006) January 30, 2007 Corporate Communications Dept. 3Q, FY March 2007 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. 3Q, FY March 2007 2 Capital expenditures, Depreciation and amortization, Research and development January 30, 2007 Unit:Yen billions FY March 2006 [Results] FY March 2007 FY March 2007 Projections Oct. 30 '06Projections Jan. 30 '07 Capital expenditures 73.9 70.0 70.0 Depreciation and amortization 58.5 62.0 62.0 Research and development 45.5 47.0 47.0 5.7% 5.7% 5.5% (Share of net sales) <Net sales> 795.2 820.0 3Q, FY March 2007 853.0 3 Consolidated results and projections Unit:Yen billions,% FY March 2006 [Results] (Yen bill.) (%) FY March 2007 January 30, 2007 FY March 2007 Projections Oct. 30 '06 Projections Jan. 30 '07 Y on Y growth (Yen bill.) (%) (Yen bill.) (%) (%) Net sales 795.2 100.0% 820.0 100.0% 853.0 100.0% 7.3% Electronic materials and components 687.8 86.5% 718.0 87.6% 751.0 88.0% 9.2% Electronic materials 180.8 22.7% 195.0 23.8% 195.0 22.9% 7.9% Electronic devices 154.7 315.9 36.4 19.5% 23.2% 4.9% 195.0 302.0 59.0 22.9% 4.6% 190.0 293.0 40.0 6.8% 26.1% -4.4% 62.2% 107.4 13.5% 102.0 12.4% 102.0 12.0% -5.1% Operating income 60.5 7.6% 82.0 10.0% 82.0 9.6% 35.5% Income before income taxe 66.1 8.3% 88.0 10.7% 88.0 10.3% 33.1% Net income 44.1 5.5% 61.0 7.4% 63.0 7.4% 42.9% Recording devices Other electronic components Recording media Exchange rate (U.S.$=Yen) 113 39.7% 113 3Q, FY March 2007 35.7% 35.4% 117 An average exchange rate of Yen118=US$1 for the 4th Quarter FY March 2007. 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 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 0.0% 174.2 166.1 167.4 183.0 222.7 222.1 203.6 221.2 223.3 Operating income ratio 9.9% 8.9% 7.7% FY Mar. 05 8.3% 9.6% 5.0% 8.8% FY Mar. 06 3Q, FY March 2007 9.2% 10.4% FY Mar. 07 5 Share of sales by products(3Q of FY Mar. 07) Other electronic components 8% Recording devices 34% Electronic materials 22% Sales and Operating income ratio of Electronic materials and components Electronic devices 23% Sales (Yen billions) Recording media 13% 250 15.0% 200 12.0% 150 9.0% 100 6.0% 50 3.0% 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 0.0% 143.7 140.4 143.3 157.4 192.1 194.9 180.1 196.6 194.5 Operating income ratio 13.6% 12.2% 10.7% 10.7% 11.6% 10.2% 10.9% 10.6% 11.8% FY Mar. 05 3Q, FY March 2007 FY Mar. 06 FY Mar. 07 6 Share of sales by products(3Q of FY Mar. 07) Other electronic components 8% Recording devices 34% Electronic materials 22% Electronic devices 23% Sales of Electronic materials 60 Sales (Yen billions) Recording media 13% 50 40 30 20 10 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 43.0 40.8 41.0 45.0 47.6 47.1 47.7 51.0 50.3 FY Mar. 05 3Q, FY March 2007 FY Mar. 06 FY Mar. 07 7 Share of sales by products(3Q of FY Mar. 07) Other electronic components 8% Recording devices 34% Electronic materials 22% Electronic devices 23% Sales of Electronic devices 60 Sales (Yen billions) Recording media 13% 50 40 30 20 10 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 30.6 28.3 28.7 32.3 47.0 46.7 46.4 50.2 50.5 FY Mar. 05 3Q, FY March 2007 FY Mar. 06 FY Mar. 07 8 Share of sales by products(3Q of FY Mar. 07) Other electronic components 8% Recording devices 34% Electronic materials 22% Electronic devices 23% Sales of Recording devices 100 Sales (Yen billions) Recording media 13% 50 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 65.4 65.9 68.5 71.8 85.7 89.9 73.8 80.3 76.8 FY Mar. 05 3Q, FY March 2007 FY Mar. 06 FY Mar. 07 9 Share of sales by products(3Q of FY Mar. 07) Other electronic components 8% Recording devices 34% Electronic materials 22% Electronic devices 23% Sales of Other electronic components 20 Sales (Yen billions) Recording media 13% 10 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4.8 5.4 5.1 8.3 11.8 11.2 12.3 15.0 16.9 FY Mar. 05 3Q, FY March 2007 FY Mar. 06 FY Mar. 07 10 Share of sales by products(3Q of FY Mar. 07) Other electronic components 8% Recording devices 34% Electronic materials 22% Sales and Operating income ratio of Recording media Electronic devices 23% Sales (Yen billions) Recording media 13% 50 10.0% 40 0.0% 30 -10.0% 20 -20.0% 10 -30.0% 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 30.5 25.8 24.1 25.6 30.6 27.2 23.5 24.6 28.7 -40.0% Operating income ratio -7.6% -9.1% -10.4% -6.7% -3.0% -31.9% -7.0% -2.7% 0.5% FY Mar. 05 3Q, FY March 2007 FY Mar. 06 FY Mar. 07 11