Slide 1: 2025.2Q Earnings Briefing
2025.2Q 실적발표 EARNINGS BRIEFING August 2025
Slide 2: Disclaimer
BRAS] Hoot OftS B71 Slot DISCLAIMER AH QLICt. L = BI TAp Ag HHS | At 2 2 ApS/At2| 42 a Ch, fo} (K-IFRS)O4] thet SA |Z aayeHa ot XpwoQ| WS Bee = SALSA? BREFLICH. SABE FASS! SAPAatol] Chol HH Seo AHO] ATHO] SUlA-EEM Ab aA AHO!
Slide 3: Capital raising: PRS contract and third-party capital increase
직접 출자 PRS 계약 (0.4조원) 제3자 유상증자 (1.6조원) 증권사 SPC 신주발행 2Q24 3Q24 4Q24 1Q25 2Q25
Slide 4: Consolidated and standalone results by company
30.14 31.00 △2.8% 0.20 0.73 △72.6% 0.49 0.67 △26.9% ㈜SK 별도 1.00 0.80 +25.0% 0.33 0.13 +153.8% 0.18 0.05 +260.0% 19.31 18.80 +2.7% △0.42 △0.05 적자지속 △1.26 △0.53 적자지속 0.41 0.47 △12.8% 1.40 0.77 +81.8% 1.52 0.76 +100.0% 4.34 4.42 △1.8% 0.34 0.54 △37.0% 0.24 0.48 △50.0% 1.52 1.69 △10.1% 0.04 0.03 +33.3%
Slide 5: 2Q25 Business results: Si Wafer subsidiary
2Q25 Z| 4 S| oS SKA E= 2025.20 EARNINGS BRIEFING she. Si Wafer Zot S7/Ol] BYO Me S| chy] oS Aa LTA 3! 3174 CHAS} 7] et BHO SIS SoH Spl] ALA HA Bey — SKYE EBITDA — @ Highlights eerste [etal etal] = SYo|o O SiWafer <Q W2HSt Boy SHH OB (voy +3.0%) St, 173 183 MUWIAA SOR AAO (voy 222.9%) AA 151 + Si Waf
Slide 6: 2Q25 Business results: precursor and display materials subsidiary
2Q25 AMAIA oS : SK Inc. HE|z|Iaa cIC 2025.2@ EARNINGS BRIEFING sR. [Bro] roy Stee MA S27] CHY| OWS 7 AB ASTD G7} BIA BS SS AY Ba ay — SK HEl2|Y#2 CICEBITDA — @ Highlights erste fete]: eel] ae = YAO]! o MBAS S/S A191 S51, 74 REZ2|O Sys SoH OW (voy +6.8%) S7t 28 29 + Precursor : Az} G17HSf BtOy StH WS
Slide 7: 2Q25 Business results: bio subsidiary
2Q25 agaa ost : SKHE| 2 2025.2@ EARNINGS BRIEFING she. Ll Core #4 1%E Ba UY AYOR MA S| CHy] OS 2 oe . ~ Co] OSL Es stH#7| Big Pharma ILEL{4 23} 3! SY SSS} SSt ay IAd Aap — sKqHla Yeo, — @ Highlights Tetel : Yoel] 0 SQ DHA Sa YE ABO MS (voy 9.8%) HA O/| St DAH] Hot Stop AAA (yoy +2099) BA + PMS OS A
Slide 8: (YoY +3.5%) (YoY +3.8%p)
(YoY +3.5%) (YoY +3.8%p) 47 50 27 29 24
Slide 9: [Appendix] Quarterly results by business
_ [Appendix] RQ H| Abst XSI At | alm aA 2025.2Q EARNINGS BRIEFING she. (esl: det] 1023 2Q23 3Q23 4Q23 FY23 1Q24 2Q24 3Q24 4Q24 FY24 1Q25 2Q25 He 580 492 469 485 2,026 476 503 568 580 2,127 462 518 SHoly 114 70 39 58 281 42 70 94 110 316 38 54 SKIES EBITDA 219 170 136 151 676 134 150 173 183 640 105
Slide 10: Thank You
THANK YOU 2025.2Q EARNINGS BRIEFING SK Inc.