Slide 1: 2023.4Q Earnings Briefing
2023.4Q 실적발표 EARNINGS BRIEFING March 2024
Slide 2: Disclaimer
Hl 2.1} A} HE | ABE AAG Sx}AO| Olt os4S S| 6 oF = DISCLAIMER AEQUCh. = i Oh; = so as z ee XBSa GALS! EQ XPS|AO| Ala Alay (K-IFRS)O| thet 4g S| 2004, =a ro 3 ||| SAHNSA SAlSrA|?| BHEELICH. BAER SXA}SO| Sxpziafo}| chal OF BSoHLs MA SIAM ABs + BSLICL Ske
Slide 3: Business Highlights
Business Highlights CP 2023.40 EARNINGS BRIEFING SK Inc. 32 HABA AS WAS HEA] ASt S|HTt LNG AS Atom IM Ast ASA HS xpAt Of2FO Sustainability YS} A|S ALAEAL Bhat AVY - ————(___ 391 Sustainability 43} |) O FY23 HS A6.8%, EBITDA A23.0% YoY a + BEA] AQ SSb ERS IIMB SO MA CHy| AM ZA O FY21 0|S +-4 Divestme
Slide 4: Overall results
: Overall 2023.40 EARNINGS BRIEFING SK Inc. OL |A] 7h 24 SFAMfol] CL} AH AAI re a uloy BEE A] Al Zt AZO @sk 4= Os tH]0 44 SKA#IO Sale 123 32.70 1.64 19.14 0.01 4.37 2.45 0.48 1.48 3.39 1) HEl2ISA CIC BAS 2) SKC 1023, 2023 AJM0/Y2 | S 31,92 0.79 18.73 -0.13 4.31 2.18 0.45 2.45 2.37 0.30 of & 0.77 0.9
Slide 5: 4Q23 results by affiliate: SK E&S
We *FY22 C&S HAS COFF(AISHIBA Sita) FUCA) Sl7i]sa4 Boll Chet WAS SlASUICt 4Q23 oon Us SK E&S 2023.40 EARNINGS BRIEFING SK Inc. l WU BAS US| Hu] BeI01] ZA ‘24S At WHA AL O12 22] HOH BI LNG Atel SICH ALA CH] AL] Ast wet — SKE&S Boje! — ® Highlights [etl] aloygl 0 4Q23, SMP SFA], MEH] SS Sato! SHS AAS
Slide 6: 4Q23 results by affiliate: CDMO
4Q23 AAA SS}: SKEW soonsa eames oneene Ske. Ll ” a” = ” gg - CGT CDMO OS AME| AE] CHB OSs BS AHH ‘2H\AS Sal 42 SHH BI CGT At Capa Scholl HHS A124 AHA At — SKHEIZ SAO - ® Highlights 8 retel] ete! Ala OAM4 0 5 4023, 71Z 4] AS S Opo|zepo! Sry gy! CBM SASH WU Sape ASI CH] oS St + Base 1B Core ME (SAA, S
Slide 7: 4Q23 results by affiliate: SiC wafer
4Q23 AMAIA SS: SKALES sk rc. oor- o ft 2023.4Q EARNINGS BRIEFING l DAWA Bet Sap ASO Sopa Toy SIS BI] BA A ‘24S BI|BAMOt I]Mt weoy SIH B! Sic Wafer HBOS LA ed Bey — SK#E=Z EBITDA —- Highlights zopadatel sway wore @ Hightig = YYO|2! 0 4Q23, DHA} 24rO 2 Wafer +2 AA Ez} Sel APSHI, TONS SA Sol BAYH AS] C
Slide 8: 4Q23 results by affiliate: semiconductor materials
za > HEjA]Ga cic We SK inc. 2023.4 EARNINGS BRIEFING Ast ne Ad TF, SH St SB! At at ‘24412 M/S SHC} 8! SA Ay — QEl2|42 EBITDA — Brett (etsn) aleias = Sqole 126 34 101 94 87 78 37 37 36 37 92 64 57 ol a1 4Q22 1023 2023 3023 4Q23 FY23 FY22 YoY 4Q23 3Q23 QoQ me 4,210 1,530 A20.9% 309 287 +7.9% Aeole} 21
Slide 9: 4Q23 results by affiliate: IT services (C&C)
4Q23 BYAA HS: ITMWIA 2H (C&C) cr 2023.40 EARNINGS BRIEFING SK Inc. ADE HE Bel S TAHA Ae SIO ACH SICH EI| 0 ‘2442 WE AS EIT Ht o SF USt AAT, Cf MAS SIS Sst ley BI Soy Sur IA Bop — ITH HIA Yeo]} | opto} wey — ris a ® Highlights Essencore [etel] Aye mIT Service o 4Q23, TAHA APES] CIA BB A BEWeE foly a6
Slide 10: Appendix: 2023.4Q Earnings Briefing
[Appendix] 2023.4Q EARNINGS BRIEFING she. l FQ Wes AtS|At B71 2A [etl] Uae, % 1Q21 2Q21 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 2Q23 3Q23 4Q23 one 262 280 307 340 1,189 348 371 396 414 1,530,311 303 287, 309 7,270 Sxo|2} 62 68 83 78 291 84 99 103 92 379 51 41 64 57 213 DEA cic EBITDA 95 101 117 113 427 1
Slide 11: Thank You
THANK YOU 2023.4Q EARNINGS BRIEFING SK Inc.