Slide 1: 2022.4Q Earnings Briefing
2022.4Q 실적발표 EARNINGS BRIEFING March 2023
Slide 2: Disclaimer
= ARE TH A SAAS! HOP} OOS S| 1H DISCLAIMER AEQUCh. — i SAL BO AAO] AID AAO! Bol Gets Otel aap zp whaes| (K-IFRS)O4 (hep A} Pay AHEH SA] 74|? | Ze (a SAlSrAl?| BPEFLICH. = ARE FAPSS| SAPS BHO Cod Of SP ole BIAHB I Ap Zz ) SK Inc.
Slide 3: Business Highlights
We SK inc. 2022.4Q EARNINGS BRIEFING 3 AX Business Highlights l FY22 $9 HAS APS|Ap ALAS 4 O12! SARIS SHY| J AAO] MAS 2S Az, 2 AAO BE] SICH A (Fy20-22 5358191 58) ——(_ Fv22 9239 HA AAPA) XX o AAS SA SUI] SHB BAS O|seH LIED} 5 LNG BS SA YW ActAAy AS] SAoll Bao} FY22 C2t DHE +32%, SHO +93% SHH FY22 SEX
Slide 4: Overall results by affiliate
AAAIA ost : Overall 2022.4Q EARNINGS BRIEFING We SK inc. OV|L4%] 7424 ZAIOH CHE SKO| 4 H]0]Mz} SK EBS AA MOR C12 OS B! BO]2} St @sk 4= OL HO] 44 SKAIOI wag IEMA *OHE|2/S2 CIC 122 30.76 1.05 16.26 1,32 4.28 2.50 1.12 1.27 3.56 0.35 0.56 2Q22 33.33 0.64 19.91 1,53 4.29 2.14 1.08 1.83 2.15 0.37 0.60 AA
Slide 5: Energy and LNG results
We 2022.4 EARNINGS BRIEFING SK Inc. 640 446 384 174 A52 4021 1922 2022 3Q22 4Q22 FY22.-FY21 YoY 4022 3Q22 QoQ one 11,249 7,855 +143.2% 3,114 2,419 +28.7% Sx012} 1,419 619 +229.2% A52 384 ARMS EBITDA 2,224 =—-1,238-—-+79.7% 218 556 A60.8% @ Highlights 5 4Q YYO|S glezy] AAS Bi AM 0] 20 th} 21x} AS + F
Slide 6: Bio results
A SS: SKEED We 2022.4 EARNINGS BRIEFING SK Inc. Sut AZ wow z|AAIO oi Stay Fz 5 FY21 Ol+:$t Yposkesiat 2 Sh] S41 S O4Cy Al Zk LAY Et, FY23 S-CGT CMO — SKBEI BHO - Tetei] oie 24 15 14 5 5 4Q21 1Q22 2Q22 3Q22 4Q22 FY22 FY21 YoY 4022 3022 QoQ ne 907 775 +17.0% 249 217 +14.8% Sgolo 49 29 +69.0% 5 24 A79.
Slide 7: Semiconductor materials results (wafers)
We SK inc. 2022.4Q EARNINGS BRIEFING BEA AAT SQ BAe Sota = — SKZE= EBITDA - Depreciation ™ Operating Profit ee 253 251 fas] aae 235 219 95 95 176 104 100 91 159 156) 119 131 85 4Q21 1Q22 2Q22 3Q22 4Q22 FY22 FY21 YoY 4Q22 3Q22 QoQ ne 2es55) 1,850 +27.3% 572 630 A9.2% Seo 565 282 +100.6% 131 156 A16.4
Slide 8: Semiconductor materials results (specialty gases)
We SK inc. 2022.4Q EARNINGS BRIEFING HE|2/4% EBITDA — ® Highlights Depreciation HED |24/ OF 7|Ht FLA OFAIZA IAIn et ™ Operating Profit 140 5 BA 7S Pts re 4 THO St Aah = es vets wets 135 AS SCS sal 2 AS S7| 4 BS 120 126 4Q22 OHS +22% YoY, EBITDA +12% YoY 113 36 3 + SAA/MGIIEA: A7I2I9b ZIRE NF,/WE, AM
Slide 9: 4Q22 results: IT services (C&C)
We 4Q22 Soon ost : ITA{HJA i (C&C) 2022.4@ EARNINGS BRIEFING SK Inc. x ZYSE YPOR AS OS LSA SAI, FY23 Top-line BA +4 Hal SAl £2 oy = ITAHIA S$910]9 | ofstsao} wet — ® Highlights Essencore WIT Service 47 50 &) ITA Hl nse 2: £ AMy|A ! ata S24 rein wei 72 S72 a sil ag — 34 FY22 Of +14.9% YoY 27 + B2SE o
Slide 10: [Appendix] 2022.4Q quarterly financial tables
We [Appendix] 2022.4 EARNINGS BRIEFING SK Inc. Ll x ri EAE Al FQ HS ASIAt S718 A GEL: BABI, % 1020 2020 3020 4Q20 1021 2021 3Q21. «-4Q21 | ayy «1022 «2022 3Q22 | ey) ons 212 227 247 268 955 262 280 307 340 1,189 348 371 396 414) 1,530 SBxo| 53 57 62 62 234 62 68 83 78 291 84 99 103 92 379 E|AISa cic
Slide 11: Thank You
THANK YOU 2022.4Q EARNINGS BRIEFING SK Inc.