Supplementary data for the 3Q of FY March 2010 (October 1, 2009 – December 31, 2009) February 2, 2010 Corporate Communications Dept. 3Q of FY March 2010 (February 2, 2010) 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 TDKororitsits 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 and other otherfactors. factors.TDK TDKGroup Grouptherefore thereforewishes wishestotocaution cautionreaders readersthat, that,being beingsubject subjecttotorisks, risks, uncertainties uncertaintiesand andother otherfactors, factors,TDK TDKGroup’s Group’sactual actualresults, results,performance, performance,achievements achievementsoror financial financialposition positioncould couldbe bematerially materiallydifferent differentfrom fromany anyfuture futureresults, results,performance, performance, achievements achievementsororfinancial financialposition positionexpressed expressedororimplied impliedby bythese theseforward-looking forward-lookingstatements, statements, and TDK Group undertakes no obligation to publicly update or revise any forward-looking and TDK Group undertakes no obligation to publicly update or revise any forward-looking statements statementsafter afterthe theissue issueofofthis thismaterial materialexcept exceptas asprovided providedfor forininlaws lawsand andordinances. 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 butare arenot notlimited limitedto, to,shifts shiftsinintechnology, technology,fluctuations fluctuationsinindemand, demand,prices, prices,interest interestand andforeign foreign exchange rates, and changes in economic environments, conditions of competition, laws exchange rates, and changes in economic environments, conditions of competition, lawsand and regulations. regulations. 3Q of FY March 2010 (February 2, 2010) 2 Capital expenditures, Depreciation and amortization, Research and development February 2, 2010 Unit:Yen billions FY March 2009 [Results] Capital expenditures 98.4 Depreciation and amortization 89.6 94.4 :TDK 4.4 :EPCOS 75.9 :TDK 8.4 :EPCOS FY March 2010 FY March 2010 Projections on Oct. 29, '09 Projections on Feb. 2, '10 41.0 63.0 81.0 81.0 53.0 53.0 7.2% 6.7% 5.2 :Goodwill Research and development (Share of net sales) <Net sales> 57.6 7.9% 727.4 3Q of FY March 2010 (February 2, 2010) 52.1 :TDK 5.5 :EPCOS 733.7 795.0 3 Sales by major customer industry Year on Year Sales Weight IT Home Electronics Plus 8% 64% Minus 2% 10% Car Electronics Plus 36% 10% Others Plus 7% 16% High-Speed, Large Capacity Networks Recording media and EPCOS results are not included. 3Q of FY March 2010 (February 2, 2010) 4 Sales and Operating income ratio Sales (Yen in billions) EPCOS results is not included. 250 15% 200 0% 150 -15% 100 -30% 50 -45% 0 Sales 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q -60% 3Q 225.3 207.9 190.6 205.9 155.9 107.0 144.6 161.1 168.7 Operating income ratio 11.9% 6.4% 2.8% 4.4% -1.4% -49.2% 0.1% 6.3% 7.7% FY Mar. '08 FY Mar. '09 3Q of FY March 2010 (February 2, 2010) FY Mar. '10 5 Share of sales by products (3Q of FY Mar. '10) Others 12.4% Electronic materials 20.5% Electronic devices Recording devices 23.5% Sales of Electronic materials 43.6% is not included. Sales (Yen in billions) EPCOS results 60 50 40 30 20 10 0 3Q 4Q 1Q 2Q 3Q 4Q 20.9 Sales 51.4 45.9 45.7 46.5 32.0 FY Mar. '08 FY Mar. '09 3Q of FY March 2010 (February 2, 2010) 1Q 2Q 28.5 33.7 FY Mar. '10 6 3Q 34.7 Share of sales by products (3Q of FY Mar. '10) Others 12.4% Electronic materials 20.5% Electronic devices Recording devices Sales of Electronic devices 23.5% 43.6% EPCOS results is not included. Sales (Yen in billions) 60 50 40 30 20 10 0 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q Sales 53.3 51.4 48.7 50.1 38.4 29.0 34.0 36.6 39.7 FY Mar. '08 FY Mar. '09 FY Mar. '10 3Q of FY March 2010 (February 2, 2010) 7 Share of sales by products (3Q of FY Mar. '10) Others 12.4% Electronic materials 20.5% Electronic devices Recording devices Sales of Recording devices 23.5% EPCOS results is not included. Sales (Yen in billions) 43.6% 100 80 60 40 20 0 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q Sales 89.9 87.9 72.4 77.6 58.4 38.8 62.6 70.8 73.6 FY Mar. '08 FY Mar. '09 3Q of FY March 2010 (February 2, 2010) FY Mar. '10 8 Share of sales by products (3Q of FY Mar. '10) Others 12.4% Electronic materials 20.5% Electronic devices Recording devices Sales of Others 23.5% 43.6% is not included. Sales (Yen in billions) EPCOS results 50 40 30 20 10 0 3Q 4Q 1Q 2Q 3Q 4Q 31.7 27.1 18.2 Sales 30.7 22.7 23.8 FY Mar. '08 FY Mar. '09 3Q of FY March 2010 (February 2, 2010) 1Q 2Q 3Q 19.6 20.0 20.8 FY Mar. '10 9 EPCOS results Before the deduction of goodwill depreciation. Sales (Yen in billions) Sales and Operating income ratio 50 10% 40 0% 30 -10% 20 -20% 10 -30% 0 Sales 3Q 4Q 1Q 2Q 3Q 35.9 32.1 37.0 43.2 42.9 0.3% 2.3% Operating income ratio -8.3% -17.8% -10.2% -40% FY Mar. '09 FY Mar. '10 3Q of FY March 2010 (February 2, 2010) 10