Slide 1: 3Q25 Earnings Release
KT 3Q25 Earnings Release 2025. 11.| Investor Relations
Slide 2: Disclaimer
Disclaimer This presentation has been prepared by KT Corp.(the “Company”) in accordance with K-IFRS. This presentation contains forward-looking statements, which are subject to risks, uncertainties, and assumptions. This presentation is being presented solely for your information and is subject to c
Slide 3: Contents
Contents 1 3Q25 Highlights 2 Financial Highlights 3 Business Overview 4 Appendix
Slide 4: 3Q25 Highlights
1 3Q25 Highlights Financials OP increased, driven by real estate PJT*, CT and group portfolio growth (Unit: KRW) Cons. Revenue 7,126.7bn (YoY +7.1%) Sep. Revenue 5,109.0bn (YoY +7.2%) Operating Operating Profit 538.2bn (YoY +16.0%) Profit 340.9bn (YoY +0.6%) * Gwangjin-gu Lotte Eastpole Apartment **
Slide 5: FY2028 Financial Target and Action Plans: AICT Company
1-2 FY2028 Financial Target and Action Plans AICT Company Additional Shareholder AICT Transformation Secure Profitability Asset Optimization Return 5
Slide 6: Contents
Contents 1 3Q25 Highlights 2 Financial Highlights 3 Business Overview 4 Appendix
Slide 7: Consolidated Income Statement
K-IFRS / Consolidated 1 Income Statement • Revenue +7.1% YoY driven by growth in telecom, real estate, and cloud/DC business • OP +16.0% reflecting KT Group-wide efforts for profitability and gains from real estate development (Unit: KRW bn) 3Q24 2Q25 3Q25 QoQ YoY Operating Revenue 6,654.6 7,427.4 7
Slide 8: Consolidated Operating Expenses
K-IFRS / Consolidated 2 Operating Expenses • OP. expenses +6.4% YoY, led by higher cost of service, goods sold(COGS) and selling expense (Unit: KRW bn) 2Q24 1Q25 2Q25 QoQ YoY Operating Expenses 6,190.5 6,412.6 6,588.6 2.7% 6.4% Labor Cost 1,118.3 1,119.4 1,167.6 4.3% 4.4% General Expense 2,692.6 2,6
Slide 9: Consolidated Balance Sheet
K-IFRS / Consolidated 3 Balance Sheet • Net Debt/equity ratio -2.3%p QoQ due to lower borrowings (Unit: KRW bn) Sep. 30, 2024 Jun. 30, 2025 Sep. 30, 2025 QoQ YoY Assets 42,750.4 42,193.3 43,012.8 1.9% 0.6% Cash & Cash equivalents 3,953.9 3,794.4 3,890.3 2.5% -1.6% Liabilities 23,564.0 23,316.2 23,75
Slide 10: Separate and major subsidiaries CAPEX
K-IFRS / Separate and major subsidiaries 4 CAPEX • 3Q25 Total CAPEX Execution: KRW 1,329.5bn (KT Separate), KRW 634.2bn(Major Subsidiaries) (Unit: KRW bn) 3,534 3,319 3,124 813 907 824 1,964 ■ Major Subsidiaries’ CAPEX 634 Includes Finance, Media, Cloud/DC, 2,721 Real Estate, etc. 2,412 2,300 1,330
Slide 11: Contents
Contents 1 3Q25 Highlights 2 Financial Highlights 3 Business Overview 4 Appendix
Slide 12: Separate KT - Wireless
K-IFRS / Separate 1 KT - Wireless • Wireless service revenue +4.7% YoY with increased 5G subs (5G penetration 80.7%) • Continued efforts to differentiate products, distribution and pricing (Unit: KRW bn) 3Q24 2Q25 3Q25 QoQ YoY Wireless 1,740.4 1,781.7 1,809.6 1.6% 4.0% Wireless Service 1,656.5 1,704
Slide 13: Separate KT - Fixed Line
K-IFRS / Separate 2 KT - Fixed Line • Broadband revenue +2.3% YoY, due to increase in GiGA subscribers and value-added services • Media rev. up +3.1% YoY, backed by IPTV subscriber net adds and premium plans uptake (Unit: KRW bn) 3Q24 2Q25 3Q25 QoQ YoY Fixed Line 1,312.6 1,334.5 1,331.9 -0.2% 1.5% B
Slide 14: Separate KT - B2B Services
K-IFRS / Separate 3 KT - B2B Services • B2B services rev. +0.7% YoY, driven by growth in corporate telecom businesses, despite continued streamlining of low-margin businesses (Unit: KRW bn) 3Q24 2Q25 3Q25 QoQ YoY B2B Service 926.4 922.7 932.7 1.1% 0.7% Corp. Broadband/Data Revenue Revenue of AI/IT (
Slide 15: Consolidated Major Subsidiaries
K-IFRS / Consolidated(each subsidiary) 4 Major Subsidiaries • kt cloud rev. +20.3% YoY, due to increased usage of DC from global clients and public AI Cloud • kt estate rev +23.9% YoY, supported by growth in hotel business and new development* project *Daejeon HR Center Revenue of Major Subsidiaries
Slide 16: Contents
Contents 1 3Q25 Highlights 2 Financial Highlights 3 Business Overview 4 Appendix
Slide 17: K-IFRS Income Statement
1 K-IFRS Income Statement (Unit: KRW bn) Consolidated 3Q24 4Q24 1Q25 2Q25 3Q25 KT Separate 3Q24 4Q24 1Q25 2Q25 3Q25 Operating revenue 6,654.6 6,575.6 6,845.1 7,427.4 7,126.7 Operating revenue 4,765.0 4,571.6 4,682.0 4,772.8 5,109.0 Service revenue 5,752.0 5,754.7 5,700.4 5,817.8 5,920.8 Service reve
Slide 18: K-IFRS Balance Sheet
2 K-IFRS Balance Sheet (Unit: KRW bn) Consolidated 3Q24 4Q24 1Q25 2Q25 3Q25 KT Separate 3Q24 4Q24 1Q25 2Q25 3Q25 Assets 42,750.4 41,880.0 42,185.6 42,193.3 43,012.8 Assets 29,957.1 29,528.9 29,041.0 29,008.7 29,049.2 Current assets 15,197.0 14,251.9 14,458.5 14,385.4 15,123.6 Current assets 7,447.7
Slide 19: Separate Subscribers
K-IFRS / Separate 3 Subscribers (Unit: Thousands) Wireless Subscribers 3Q 24 4Q 24 1Q 25 2Q 25 3Q 25 QoQ YoY Total 25,199 26,132 26,445 27,491 28,328 3.0% 12.4% - MNO 17,997 18,950 19,186 19,842 20,271 2.2% 12.6% - MVNO 7,203 7,182 7,259 7,649 8,057 5.3% 11.9% 1) 5G Handset 10,251 10,400 10,552 10,8
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