Supplementary data for the 3rd Quarter of FY March 2008 (October 1, 2007 – December 31, 2007) January 31, 2008 Corporate Communications Dept. 3Q of FY March 2008(Jan. 31, 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 managementstrategies, strategies,targets, targets,schedules, schedules,understandings understandingsand andevaluations, evaluations,about 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. TDK Group therefore wishes to caution readers that, being subject to risks, uncertainties factors. TDK Group therefore wishes to caution readers that, being subject to risks, 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 undertakes no noobligation obligationtotopublicly publiclyupdate updateororrevise reviseany anyforward-looking forward-lookingstatements statementsafter afterthe theissue issueofofthis this material except as provided for in laws and ordinances. material except as provided for in laws and ordinances. The Theelectronics electronicsmarkets marketsininwhich whichTDK TDKGroup Groupoperates operatesare arehighly highlysusceptible susceptibletotorapid rapidchanges. changes. Risks, Risks,uncertainties uncertaintiesand andother otherfactors factorsthat thatcan canhave havesignificant significanteffects effectson onTDK TDKGroup Groupinclude, include,but but are arenot notlimited limitedto, to,shifts shiftsinintechnology, technology,fluctuations fluctuationsinindemand, demand,prices, prices,interest interestand andforeign foreign exchange exchangerates, rates,and andchanges changesinineconomic economicenvironments, environments,conditions conditionsofofcompetition, competition,laws lawsand and regulations. regulations. 3Q of FY March 2008(Jan. 31, 2008) 2 Capital expenditures, Depreciation and amortization, Research and development January 31, 2008 FY March 2007 [Results] FY March 2008 FY March 2008 Projections Oct. 31, '07 Projections Jan. 31, '08 Capital expenditures 70.4 75.0 75.0 Depreciation and amortization 65.3 70.0 70.0 Research and development 50.1 53.0 55.0 5.8% 6.1% 6.4% Unit:Yen billions (Share of net sales) <Net sales> 862.0 865.0 3Q of FY March 2008(Jan. 31, 2008) 865.0 3 Unit:Yen billions,% Consolidated results and projections January 31, 2008 FY March 2007 [Results] FY March 2008 FY March 2008 Projections Oct. 31, '07 Projections Jan. 31, '08 Y on Y growth (Yen bill.) (Yen bill.) (Yen bill.) (%) (%) (%) (%) Net sales 862.0 100.0% 865.0 100.0% 865.0 100.0% 0.3% Electronic materials and components 758.8 88.0% 817.0 94.5% 816.0 94.3% 7.5% 23.1% 24.9% 203.0 213.0 23.5% 23.0% 213.0 215.0 24.6% Electronic devices 199.2 198.2 24.6% 1.9% 7.5% Recording devices 304.8 35.4% 316.0 36.5% 320.0 37.0% 5.0% 56.6 6.5% 73.0 8.5% 80.0 9.2% 41.5% 103.2 12.0% 48.0 5.5% 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 Other electronic components Recording media Exchange rate (U.S.$=Yen) 117 115 115 * An average yen-U.S. dollar exchange rate of Yen110 is assumed for the fourth quarter of FY March 2008. 3Q of FY March 2008(Jan. 31, 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 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 0.0% 222.7 222.1 203.6 221.2 223.3 213.9 206.7 226.4 225.3 Operating income ratio 9.6% 5.0% 8.8% FY Mar. 06 9.2% 10.4% 8.5% 7.8% 13.7% 11.9% FY Mar. 07 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 08 5 Share of sales by products (3Q of FY Mar. 08) Other electronic components 10% Recording devices 40% Sales and Operating income ratio of Electronic materials and components Electronic materials 23% Electronic devices 24% Sales (Yen billions) Recording media 3% 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% 192.1 194.9 180.1 196.6 194.5 187.6 185.4 213.0 217.8 Operating income ratio 11.6% 10.2% 10.9% 10.6% 11.8% 9.7% 9.5% 8.7% 12.4% FY Mar. 06 FY Mar. 07 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 08 6 Share of sales by products (3Q of FY Mar. 08) Other electronic components 10% Recording devices 40% Electronic materials 23% Sales of Electronic materials Electronic devices 24% 60 Sales (Yen billions) Recording media 3% 50 40 30 20 10 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 47.6 47.1 47.7 51.0 50.3 50.2 49.7 53.1 51.4 FY Mar. 06 FY Mar. 07 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 08 7 Share of sales by products (3Q of FY Mar. 08) Other electronic components 10% Recording devices 40% Electronic materials 23% Sales of Electronic devices Electronic devices 24% 60 Sales (Yen billions) Recording media 3% 50 40 30 20 10 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 47.0 46.7 46.4 50.2 50.5 51.1 50.0 54.5 53.3 FY Mar. 06 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 07 FY Mar. 08 8 Share of sales by products (3Q of FY Mar. 08) Other electronic components 10% Recording devices 40% Electronic materials 23% Sales of Recording devices Electronic devices 24% 100 Sales (Yen billions) Recording media 3% 80 60 40 20 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 85.7 89.9 73.8 80.3 76.8 74.0 70.4 86.5 89.9 FY Mar. 06 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 07 FY Mar. 08 9 Share of sales by products (3Q of FY Mar. 08) Other electronic components 10% Recording devices 40% Electronic materials 23% Sales of Other electronic components Electronic devices 24% Sales (Yen billions) Recording media 3% 20 10 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 11.8 11.2 12.3 15.0 16.9 12.3 15.3 19.0 23.1 FY Mar. 06 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 07 FY Mar. 08 10 Share of sales by products (3Q of FY Mar. 08) Other electronic components 10% Recording devices 40% Electronic materials 23% Electronic devices 24% 2Q of FY Mar. ‘08 exc. 14.922 bill JPY Gain on business transfer to Imation Corp. Sales and Operating income ratio of Recording media Sales (Yen billions) Recording media 3% 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 30.6 27.2 23.5 24.6 28.7 26.4 21.3 13.4 7.6 -40.0% Operating income ratio -3.0% -31.9% -7.0% -2.7% 0.5% -0.1% -7.0% -17.4% -2.9% FY Mar. 06 3Q of FY March 2008(Jan. 31, 2008) FY Mar. 07 FY Mar. 08 11