Supplementary data for 1Q of FY March 2009 (April 1, 2008 – June 30, 2008) July 31, 2008 Corporate Communications Dept. FY March 2009 (July 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. FY March 2009 (July 31, 2008) 2 Sales by major customer industry Year on Year Sales Weight IT Home Electronics Plus 0% 61% High-Speed, Large Capacity Networks Plus 22% 12% 1% 9% Minus 13% 18% Car Electronics Others Plus Excluding Sales of Recording Media FY March 2009 (July 31, 2008) 3 Capital expenditures, Depreciation and amortization, Research and development July 31, 2008 FY March 2008 [Results] FY March 2009 FY March 2009 Projections Apr. 28, '08 Projections Jul. 31, '08 Capital expenditures 84.3 70.0 70.0 Depreciation and amortization 71.3 77.0 77.0 Research and development 57.4 57.0 57.0 6.6% 6.5% 6.6% Unit:Yen billions (Share of net sales) <Net sales> 866.3 880.0 FY March 2009 (July 31, 2008) 862.0 4 Consolidated results and projections Unit:Yen billions,% Net sales July 31, 2008 FY March 2008 [Results] FY March 2009 FY March 2009 Projections Apr. 28, '08 Projections Jul. 31, '08 (Yen bill.) (Yen bill.) (Yen bill.) (%) (%) (%) Y on Y growth (%) 866.3 100.0% 880.0 100.0% 862.0 100.0% -0.5% Electronic materials 200.1 23.1% 208.0 23.6% 202.5 23.5% 1.2% Electronic devices 24.1% 37.4% 223.5 316.5 25.9% 38.6% 225.0 329.0 25.6% Recording devices 209.1 334.7 36.7% 6.9% -5.4% Others 122.4 14.2% 118.0 13.4% 119.5 13.9% -2.3% Operating income 87.2 10.1% 80.0 9.1% 69.0 8.0% -20.8% Income before income taxes 91.5 10.6% 85.5 9.7% 73.5 8.5% -19.7% Net income 71.5 8.2% 65.0 7.4% 55.5 6.4% -22.3% Exchange rate (U.S.$=Yen) 114 100 FY March 2009 (July 31, 2008) 101 * An average yen-U.S. dollar exchange rate of Yen100 is assumed from the second quarter of fiscal 2009. 5 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% 203.6 221.2 223.3 213.9 206.7 226.4 225.3 207.9 190.6 Operating income ratio 8.8% 9.2% 10.4% 8.5% 7.8% 13.7% 11.9% 6.4% 2.8% FY Mar. 07 FY Mar. 08 FY March 2009 (July 31, 2008) FY Mar. 09 6 Share of sales by products (1Q of FY Mar. '09) Others 12% Electronic materials 24% Recording devices Electronic devices 26% 38% Sales of Electronic materials Sales (Yen billions) 60 50 40 30 20 10 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 47.7 51.0 50.3 50.2 49.7 53.1 51.4 45.9 45.7 FY Mar. 07 FY March 2009 (July 31, 2008) FY Mar. 08 FY Mar. 09 7 Share of sales by products (1Q of FY Mar. '09) Others 12% Electronic materials 24% Recording devices Electronic devices 26% 38% Sales of Electronic devices Sales (Yen billions) 60 50 40 30 20 10 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 46.4 50.2 50.5 51.1 50.0 54.5 53.3 51.4 48.7 FY Mar. 07 FY March 2009 (July 31, 2008) FY Mar. 08 FY Mar. 09 8 Share of sales by products (1Q of FY Mar. '09) Others 12% Electronic materials 24% Recording devices Electronic devices 26% 38% Sales of Recording devices Sales (Yen billions) 100 80 60 40 20 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 73.8 80.3 76.8 74.0 70.4 86.5 89.9 87.9 72.4 FY Mar. 07 FY March 2009 (July 31, 2008) FY Mar. 08 FY Mar. 09 9 Share of sales by products (1Q of FY Mar. '09) Others 12% Electronic materials 24% Recording devices Electronic devices 26% 38% Sales of Others Sales (Yen billions) 50 40 30 20 10 0 Sales 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 35.8 39.7 45.6 38.6 36.6 32.4 30.7 22.7 23.8 FY Mar. 07 FY March 2009 (July 31, 2008) FY Mar. 08 FY Mar. 09 10 Sales and Operating income ratio of Recording media Sales (Yen billions) Information 2Q of FY Mar. 08 exc. 14.922 bill JPY Gain on business transfer to Imation Corp. Sales 50 10.0% 40 0.0% 30 -10.0% 20 -20.0% 10 -30.0% 0 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 23.5 24.6 28.7 26.4 21.3 13.4 7.6 5.9 -2.7% 0.5% -0.1% -7.0% -17.4% -2.9% Operating income ratio -7.0% FY Mar. 07 FY March 2009 (July 31, 2008) -40.0% 5.3% FY Mar. 08 11