Slide 1: 1Q 2012 Operating Performance
Exhibit 99.1 1 1Q 2012 Operating Performance April 20, 2012
Slide 2: 1Q Operating Performance and unaudited figures notice
1Q Operatingare presentaiton Performance subject to change Consolidated during Performance—POSCO the course of auditing process. Operating 2012 Performance Business Plan Figures Business provided Environment in this presentation 1Q Key Business are based Activities on unaudited financial statements
Slide 3: Consolidated Performance: Revenue, Operating Income, Net Income
6,695 89 Income Based on18,688 Consolidated Net 88 aggregation Income 67 2011.1Q 27 91Net 6Performance ofE&C Income 2011.4Q each1,721 sector Net 2012.1Q 3/23 2,862 (in Income billion Steel/construction 1,461 16,309 (inKRW) 96 billion 1,018 149(in KRW) 17801 billion 62 slowed 1,020 98 ‘11.1Q KRW) 37w
Slide 4: Financial Structure and Return on Equity
Financial ‘11.1Q 2,928 79,501 Return3,211 on 37,679 ‘11.4Q Structure Equity 3,271 38,100 ‘12.1Q Liability ICT Liabilities 41,401 Steel·Support 683to743 Equity 40,730 and 857equity 441 62,859 (in 2011.1Q billion 465 slightly 69,321 547 2011.4Q KRW) 242 increased 69,801 278 (in 2012.1Q billion 310 20,
Slide 5: Summarized Income Statements
Summarized (Gross Margin) Gains Performance 210 Margin) (Operating 239 Statements 250 (13.4%) 4.6 Margin) Net (10.7%) of Income (8.3%) (10.3%) 2011.1Q Net (5.4%) Income CG&A (4.9%) 2011.4Q 1,093 CG&A Equity 2012.1Q 1,020 869 Method 643 1,025 2011.1Q 37.0 Gains 934 (Net 2011.4Q 8.9 Equity Profit Othe
Slide 6: Summarized Statements of Financial Position
Summarized Receivable 28,967 Bearing billion KRW) 1.8 Debt) Total 10,001 Statements 6/23 (21,960) Assets 11,451 CashTotal (26,812) of equivalents: 11,968 Financial Assets (26,560) 4.571,150 Position cash Inventory 0.9 &78,409 cash Equity 2011.1Q 10,398 equivalents, 79,501 Equity 2011.4Q 12,284 1.4 3
Slide 7: 1Q Operating Performance—POSCO Operating Performance
1Q Operating Performance—Consolidated Performance POSCO Operating Performance 2012 Business Plan Business Environment 1Q Key Business Activities
Slide 8: POSCO Operating Performance: Production and Sales
Slightly S (G) 2012.1Q TS#2HR(Feb.15~21), 475decreased 8,956 521 531 8,776 due 2011.1Q 8,195 to #2PCM(Feb.22~29), facility 35.7% 2011.4Q rationalization 43.2% 2012.1Q 40.0% #2CAL(Feb.22~Mar.22)—Shutdown: Domestic &Export foundry Ratio 5,266 BF8/23 shutdown 5,086POSCO 5,266 Crude Export Operating Ste
Slide 9: Sales by Product and Industry
Sales511 530 9/23 tons) *1,895 by Includes 0.8% Product 1,866 3.6% HRSales 1,765 Plate Cold-Rolled by 2011.1Q (in Demand thousand 3,164 2011.4Q Industry tons) 3,166 2012.1Q POSCO 1,895 3,3522011.1Q +5.9% 545 Operating 542+5.9% 2011.4Q 645Performance 881 Electrical 2012.1Q 1,016 1,049 Steel Sales 201
Slide 10: Revenue, Price and Operating Income
Revenue price Price* Performance raw 942 and materials 982 operating 929 10,066 5.4% income *9,460 Weighted dropped 9,112average 692 due10.1% toofdecrease domestic 6.9% in 4.5% and salesOperating export price prices Revenue Margin Product Operating 422Price 921 (thousand Income Trend (in Income bill
Slide 11: 2012 Business Plan, Business Environment, 1Q Key Business Activities
2012 Business Plan Business Environment 1Q Key Business Activities 1Q Operating Performance—Consolidated Performance—POSCO Operating Performance
Slide 12: 1Q Key Business Activities
POSCO constructing Increase Prevention swiftly Domestic Key Business respond Key export Market Center Lotte Activities Activities to Expansion Latin market •World Preemptive Increase Ame. Domestic Tower change >with <response (TMCP, long-term Sales/Product •M/S Profitability auto(2011 steel etc.) sy
Slide 13: 1Q Key Business Activities: Investment and Financial Structure
Expanded PO 67%) year Maintenance 150K with Sales lead tons/yr) infrastructure of0.1 investment managers tr/Raise Rawhigh-quality to selected materials shares produce Sold in0.3 high April construction stakes tr/value-added New Capex ingrowth KB(1.0%)/Hana(0.92%) Reduction materials products & other
Slide 14: 1Q Key Business Activities: Overseas Projects
[Overseas 3,000 Pilot 57% operation Oct operation Land ‘13 Completion Project prep. STS May88% Turkey by‘12 Product] 1Q Aug Auto POSCO-ASSAN Key ‘15Steel Continuous Business SlabChina & HR Activities Shunde overseas Indonesia TST 200 POSCO projects Civil PT. KRAKATAU works Coated focused 26% Steel o
Slide 15: 1Q Key Business Activities: Lithium and Cathode Materials
Set evaporating HOA* project Bol *Annual HOA: up JVintegrated with with COMIBOL cathode HeadBolivian method Korea ofproduction Agreement production Resources POPSCO (12months state-run capacity system ESM Corporation(KORES)—Plant company 1month), RIST for 1,800 secondary Comibol Material improved 4,
Slide 16: 1Q Key Business Activities: Subsidiaries
POSCO Secure ‘12.1Q —Concluded and expansion Standard Combined integrated eng.RPS* 940K Energy: sales Subsidiaries mill(63.8 and Cycle quota tons Shareholders led IPO—Completion Facility Power to (+37% by bn 3.9bn Key completing KRW), Plant expansion YoY)—Myanmar Activities KRW Agreement (700 Pohang
Slide 17: Business Environment
. . 2012 Business Plan Business Environment 1Q Key Business Activities 1Q Operating Performance—Consolidated Performance—POSCO Operating Performance
Slide 18: Business Environment: Global Economy and Steel Market
Global govn’t 624 growth Purchasing(CFLP) Business 648change Steel expected 4% Environment India Market U.S. thanks 58 Chinese recovery March 65 to 68sound 72 Chinese domestic to6% bedemand noticeable(2H) Russia steel HR price(excl. PMI in 25emerging 36approached 41backed 42VAT): markets 4%byWorld t
Slide 19: Business Environment: Domestic Steel Market
Domestic 4,773 (‘11) Nominal Import147 22.6 (‘12) Import Consumption (‘12) Steel (‘12) (‘12. 11,329 (‘12. Market (‘12. 1Q:1Q: 1Q 1,175 13,199 Nominal * :28 POSRI(Apr 4.8 // 2Q: 2Q: 13,030 / 2Q Consumption 1,230) 40) : 5.9) 3,330 ‘12) • Slight •Steel Construction Auto 3,650 recovery demand 52,390 Con
Slide 20: Business Environment: Raw Materials Prices
Raw Materials Semi-Soft price supply avg.) March,within Jan forecast gradual 2012 under theIron 147 to price range negotiation” continue BMA’s Ore rise U$140-150/ton Coal expected strike “2Q Downward Coal Price: lingered 20/23 SpotProbability Fine PriceTrend trend 1and Qore 2Force driven Q FOBof 1Q
Slide 21: Business Environment: Stainless Raw Materials
Stainless recovery European expected Chrome early 3,020 year 2,730 Nickel from as Steel crisis due South 4,160 April to Sales 21/23 Cr: strong African 3,600 1Q lowest” Supply Nickel benchmark Ni 3,110 suppliers price, demand 2011. · Chrome 3,430 but 2Q price cut balance 3,010 decreased 2011. Price p
Slide 22: 2012 Business Plan
1Q Operating Performance—Consolidated Performance—POSCO Operating Performance 2012 Business Plan Business Environment 1Q Key Business Activities
Slide 23: 2012 Business Plan
2012 Production Steel Business Plan (in These milliondata tons) represent 37.3 38.4 theProduct company’s Sales internal ( ) 34.5targets 35.4 Investment and cannot (in be trillion utilizedKRW) as ground 8.1 8.9—POSCO for investmentInvestment decision. 2011 ( ) 5.7 2012 4.2 Revenue Preemptively (in tr
Slide 24: 1Q 2012 Operating Performance
24 1Q 2012 Operating Performance April 20, 2012