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Investor Relations 2025 Annual·4Q Earnings Release Global Ocean Solution Provider Hanwha Ocean

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This presentation, prepared in accordance with K-IFRS, provides preliminary results prior to the completion of an external audit for the convenience of investors only. It contains forward-looking statements that are inherently subject to risks and uncertainties, unexpected changes in market conditions and subsequent adjustments in the company’s strategies, which may cause actual results to differ materially from the projections made in this presentation. D I S C L A I M E R The responsibility for any investment decision based upon the information contained in this presentation falls on the investo r. We do not undertake any duty to update any forward-looking statement.

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FINANCIALS Contents 05 06 09 10 2025 Performance Overview 4Q25 Performance Overview 2025 Balance Sheet Performance by Segment APPENDIX 20 21 22 23 24 25 26 27 28 29 Hanwha Ocean 2025 Annual ·4Q Earnings Release MARKET OUTLOOK & BUSINESS HIGHLIGHTS 14 17 18 Market Condition & Order per Segment New Order and Orderbook Overall Performance by Segment Hanwha Ocean New Vision Commercial Vessel : Investment in Nextdecade (US) Naval Ship : Hanwha Philly Shipyard (US) Offshore : Hanwha Offshore Singapore (SG) Commercial Vessel : IMO & EU Environmental Regulations Commercial Vessel : Eco-Friendly Ammonia-fueled vessel Naval Ship : Domestic and Overseas Business Performance Smart Yard Main Product Line-up Company Introduction & Shareholder Status

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FINANCIALS Consolidated 05 06 09 10 11 12 2025 Performance Overview 4Q25 Performance Overview 2025 Balance Sheet Performance by Segment – Commercial Vessel Business Performance by Segment – Naval Ship Business Performance by Segment – Offshore Business

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Hanwha Ocean 2025 Annual·4Q Earnings Release 8 129 126 Offshore Naval Commercial 5Financials > 2025 P erformance Overview 2025 Performance Overview Ⅰ(Consolidated) 2025 Revenue 2024 Revenue 12,784 Bn KRW 2023 Revenue 10,776 Bn KRW 7,408 BN KRW 2025 Operating Profit 2024 Operating Profit 1,168 Bn KRW 2023 Operating Profit Bn KRW 238 Bn KRW -197 Bn KRW 10,525 1,284 710 Commercial Naval Offshore 1,092 92 -11 Commercial Naval Offshore 1,091 1,053 8,682 Offshore Naval Commercial 977 883 5,818 147 82 ※ Excluding other/consolidation adjustments. Yo Y +19% -483 Bn KRW Bn KRW Bn KRW Yo Y +391%

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Hanwha Ocean 2025 Annual·4Q Earnings Release 14Market Outlook & Business Highlights > Market Condition & Order per Segment LNGC LNG Export Project Expansion and Faster Retirement of Steam Turbine LNGCs Driving Newbuilding Market Recovery VLCC Crude-trade growth and fleet aging as major drivers for VLCC newbuilding expansion with geopolitical risk easing VLGC VLAC/VLEC Expected VLEC demand driven by Asian ethane -cracker expansion and U.S. policy developments CONT. Sustained 16K TEU+ ordering and mid-/long-term shift toward ≤10K TEU vessels -Large-vessel ordering momentum under alliance restructuring and geopolitical risk, ~90% orderbook-to-fleet ratio for 16K TEU+,with further ordering potential from Asian carriers aiming to close the competitiveness gap with European peers -Strong ≤10K TEU replacement demand despite MEPC 83 delay, supported by stable long-term regulatory direction -Highest exposure to Red Sea route reopening, including risks of rate decline and oversupply; continued monitoring under renewed normalization discussions -Significant sensitivity to potential U.S.–China reciprocal port-fee measures, with possible impacts on global newbuilding strategies despite the one-year delay -VLGC ordering pattern: decline to around 20 vessels in 2025 after record orders of 70 in 2023 and 81 in 2024, requiring continued monitoring of market recovery - VLEC newbuilding outlook: expected demand from Asian cracker expansion, sustained interest supported by high charter rates forsmall/mid-size ethane carriers, and possible concentration of VLEC orders at Korean yards under U.S. policy effects requiring continued follow-up -VLAC ordering potential linked to Blue/Green ammonia project development, with currently limited project visibility ✓ Market Recovery in LNGC, VLCC, and VLEC; Continued Ordering Interest in Container Vessels; Expected Slowdown in VLGC/VLAC Ord ers ✓ Geopolitical Uncertainty from U.S. Policies and Suez Canal Normalization, yet Overall Market Improvement Expected vs. 2025 -Tanker-market reshaping from U.S. resumption of Venezuelan crude imports, with higher ton-mile demand and gains for Suezmax(LR1) and Aframax(LR2) -Retirement acceleration and replacement demand from potential sanctions easing enabling shadow-fleet ownership transfers -Vessel-demand growth from stronger China/India crude use and OPEC+ output rises, together with reduced VLCC availability from sanction-related delays -Continued uncertainty from U.S. policy shifts and upcoming IMO rules, despite improving fundamentals -Rate Recovery Since Oct 2025 and Expected Ordering Linked to New LNG Export Terminals -Accelerated Retirement of Steam Turbine LNGCs (Annual Retirements: 3.4 avg → 6 in ’23 → 7 in ’24 → 15 in ’25). Replacement Demand from Retirement of Low-Efficiency S/T and DFDE LNGCs -Regulatory Uncertainty from MEPC 83 Net Zero Framework Delay, but Long-Term Direction Remains Unchanged -Potential Demand Shift Toward Korean Shipyards Under Possible Ships Act and China-Related Restrictions 83,500 69,076 63,736 1,656.32 0 2,000 4,000 -30,000 70,000 170,000 270,000 370,000 470,000 Jan-23 Jul-23 Jan-24 Jul-24 Jan-25 Jul-25 $/day 248.00 128.00 114.50 194.00 60 110 160 210 260 Jan-23 Jul-23 Jan-24 Jul-24 Jan-25 Jul-25 LNGC 174K VLCC VLGC CONT 15~16K $m Conventional -> LNG DF Source: Clarksons, Dec. 2025 Source: Clarksons, Dec. 2025 Price Index per each Ship Type Shipping (per month, $/day) Price Index per Ship Type (per month, $m) VLGC (L)VLCC (L)174K LNGC (L) SCFI(R) Market Condition & Order Outlook Commercial Vessel

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Hanwha Ocean 2025 Annual·4Q Earnings Release 16Market Outlook & Business Highlights > Market Condition & Order per Segment ✓ U.S./Africa-led O&G demand growth and strategies for early monetization of low -cost, high-return assets ✓ Improving Korean offshore-wind conditions from stronger state support and global market rebound post -Europe restructuring Oil & Gas [FPSO] Ongoing FPSO investment in low-cost, high-return assets across Latin America, West Africa, and Southeast Asia • Selective investment focus by energy majors driven by Non-OPEC production growth, supply pressure, and oil-price weakness, reinforcing rapid monetization of high-return assets (Rystad) • Forecast of seven FPSO newbuild contracts in 2026, with continued demand strength in Brazil, Guyana, Suriname, West Africa, and Southeast Asia, similar to 2025 levels (Rystad) Offshore Wind [FLNG / LNG Module] U.S.-led expansion of LNG project development and increasing Asia -driven demand • U.S. leadership in 2025 LNG project FIDs and continued 2026 production expansion in the U.S., Canada, and Qatar • Short-term Asia emerging-market demand (China, India) under price sensitivity despite downward price pressure from rising LNG supply, and long-term structural demand growth from electrification and rising living standards in developing economies • Growing FLNG relevance as a cost-efficient, flexible alternative to large onshore LNG plants, enabling faster commercialization of smaller reserves (Rystad, IEA, WoodMac) FPSO/FLNG New Building Outlook (Source : Rystad Energy) [Offshore Wind / WTIV] Korean offshore-wind and WTIV demand rising despite global market adjustments • Government roadmap: 4 GW/year from 2030, with cumulative targets of 10 GW by 2030 and 25 GW by 2035 • Stronger government support aligned with renewable-energy expansion and tighter decarbonization goals • Growing WTIV charter demand and possible newbuild needs for domestic offshore-wind rollout and long-term development [Drilling Rig] Market direction shaped by falling rates, fleet renewal, and deepwater momentum • Ultra-deepwaterfloater rates down since late 2024 (≈6.7% drop 3Q→4Q 2025; Dec 2025 avg. USD 374k) • Utilization at 79% in Dec 2025; some expect ~90% by end-2026, making fleet renewal and deepwaterprogress key Offshore Wind Infrastructure Expansion and Deployment Plan (Government Inter-Agency Joint Meeting, 2025.12.10) 7 3 5 3 3 1 1 1 0 1 2 3 4 5 6 7 8 9 2026 2027 2028 2029 2030 FPSO FLNG Category 2025 2026 2027 2028 2029 2030 2031 2032 Annual Supply Volume 1.0GW 1.0GW 1.0GW 1.75GW 2.5GW 4.0GW 4.0GW 4.0GW Vessel Allocation Plan Hyundai Frontier - 10MW (500MW/year) Hansan No.1 - 10MW (500MW/year) Hanwha Ocean - 15MW (750MW/year) KEPCO - 15MW (750MW/year) Industry Invest. 15 MW*2 Annual WTIV Allocation Schedule and Plan (Tentative) Market Condition & Order Outlook Offshore

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Hanwha Ocean 2025 Annual·4Q Earnings Release • Up to 4 additional trains are scheduled to be built in the future, creating demand for new construction of more than 20 LNG ships for transportation volume → Long-term demand for LNG carriers is solid, but considering the cyclicality of the shipbuilding industry, stable captive orders are aimed to be secured • Train 1~3 are on construction, expecting to be activated on 4Q27 • Multiple long-term contracts concluded with Global energy companies such as Total , Shell (16.19 MTPA / for 15~20 years) 21APPENDIX > Global Ocean Solution Provider Commercial Vessel Investment I : Nextdecade Investment Overview Nextdecade Introduction and Major business Model Investment Scale Investment Overview and Expected Effect Rio Grande LNG Terminal : Progress Status Expected Effect LNG SPA : Stable profit generation and Dividend expectations Securing orders for LNG ships required for LNG export volume Entering into the LNG Carrier Transportation Business through Hanwha Shipping Train Expected Production Volume Progress Status Remark Train 1 ~ 3 (Phase 1) 17.6 MTPA • FID on Jul. 2023, on construction • Activate timing →Train 1: 4Q27 →Train 2 : 3Q28 →Train 3 : 1Q29 Progress Status • Train 1~2 : 55.9% • Train 3 : 33.4% Train 4 ~ 5 (Phase 2) 11.7 MTPA • FID on Sep./Oct. 2025 • Activate timing → Train 4 : 2H30 → Train 5 : 1H31 Train 6 ~ 8 18 MTPA~ • Project under development. Train 6 FERC Filing Targeted Within 2026 • Established in Texas on 2010.(NASDAQ listing on Apr. 2017), 147 employees (as of Dec. 2023) • Operating LNG production and storage business and Carbon capture and storage business at Rio Grande LNG Terminal Facility. • Approx. KRW 180 bil., 6.8% of Stake(Same as Investment amount and Acquisition stake of Hanwha Aerospace) • Equity stake after investment : Hanwha Group22.7% (HIP 9.1%, Aerospace 6.8%, Ocean 6.8%) → Largest shareholder • Expanded Train transportation volume is planned to be handled under DES (Delivered Ex-Ship) conditions Source : Nextdecade 3Q25 Business Update Oct, 2025

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Hanwha Ocean 2025 Annual·4Q Earnings Release 24APPENDIX > Global Ocean Solution Provider Commercial Vessel IMO & EU Environmental Regulations NB Vessel Existing Vessel 2008 2018 2020 2022 2023 2024 2025 2028 2030 2040 2050 Base year MEPC 2nd EEDI Phase2 Co2 -20% EEDI Phase3 For CTN, LNGC, LPGC, Gas Carrier Co2 -30% to -50% EEXI & CII MEPC 80th ‘23 CII calculation and executed ‘24 report, prohibition on operation if graded D or E three times in a row Ship Type Tanker Gas Carrier LNGC CTN 19.9-20k DWT 20k DWT & above 15k DWT & above 10k DWT & above 12-19.9k DWT 20k DWT & above EEXI Reduction rate (Jan. 2023~) -20% -15% -30% -30% -45% -50% EU ETS shipping applied EEDI Phase3 For Others Co2 -30% MEPC 88th Fuel EU Maritime GHG -20% Indicative Checkpoints EU fit for 55 (-55% compared to 1990) GHG -70% Indicative Checkpoints Net Zero (By or Around) • IMO, reduce 100% of GHG compared 2008 until 2050 • EU (Fit for 55) : Compared to 1990, reduce GHG -55% by 2030 (starting from 2024, application is expanded to EU ETS shipping) • Expecting expansion of new investment due to regulations on environmentally-friendly vessels • Surging Ammonia Vessel order due to the expectation of increased demand for medium and long-term ammonia Total Estimated Contracting and Equipment Upgrades Investment, 1996-2050, $bn 0 500 1000 1500 2001-05 2006-10 2011-15 2016-20 2021-25 2026-30 2031-35 2036-40 2041-45 2046-50 NB (Conventional) inc. ESTs NB (Low Carbon) inc. ESTs NB (Zero Carbon) inc. ESTs EST & Engine Retrofits Total New building & Equipment Upgrades Investment 2023-2050 : $5.0 trillion Source : Clarksons Seaborne Blue and Green Ammonia Trade Outlook(Mn Tonnes) 0 8 26 40 2023 2025 2030 2035 Currently Prediction for 2050 Source : BRS NH3 Carried by Sea NH3 Not Carried by Sea Around 10% of current ammonia production is transported by sea (around 16 Mn T) An estimated 50% of Ammonia production will be transported by sea (Estimated 238 Mn T) IMO & EU Environmental Regulations Timelines

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