STX Engine Ratios and Metrics

Market cap in millions KRW. Fiscal year is January - December.

Millions KRW. Fiscal year is Jan - Dec.

Fiscal Year	Current	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Period Ending	Apr '26 Apr 2, 2026	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	Dec '20 Dec 31, 2020
Market Capitalization	1,453,025	555,705	327,617	371,852	265,411	201,270
Market Cap Growth	92.87%	69.62%	-11.90%	40.10%	31.87%	7.38%
Enterprise Value	1,599,772	788,407	517,066	555,464	426,829	398,899
Last Close Price	36200.00	20100.00	11850.00	13450.00	9600.00	7280.00
PE Ratio	20.19	32.34	70.91	-	4294.70	10.22
PS Ratio	1.91	0.77	0.52	0.68	0.54	0.34
PB Ratio	4.40	2.01	1.26	1.43	0.94	0.76
P/TBV Ratio	4.46	2.04	1.28	1.48	0.97	0.79
P/FCF Ratio	11.23	20.18	-	25.85	42.86	4.17
P/OCF Ratio	10.41	15.14	-	13.99	14.58	3.51
EV/Sales Ratio	2.03	1.09	0.82	1.02	0.87	0.68
EV/EBITDA Ratio	19.07	14.56	17.22	101.17	24.29	7.05
EV/EBIT Ratio	22.99	18.67	27.40	-	117.12	9.28
EV/FCF Ratio	12.37	28.63	-	38.61	68.92	8.27
Debt / Equity Ratio	0.94	1.14	1.01	0.93	0.92	1.00
Debt / EBITDA Ratio	3.63	5.82	8.71	43.88	14.83	4.70
Debt / FCF Ratio	2.41	11.45	-	16.75	42.08	5.52
Net Debt / Equity Ratio	0.44	0.67	0.67	0.55	0.54	0.56
Net Debt / EBITDA Ratio	1.68	3.39	5.81	26.18	8.77	2.61
Net Debt / FCF Ratio	1.12	6.68	-7.95	9.99	24.88	3.07
Asset Turnover	0.73	0.78	0.72	0.64	0.60	0.72
Inventory Turnover	2.15	2.60	2.86	2.75	2.71	3.05
Quick Ratio	0.38	0.35	0.38	0.38	0.41	0.53
Current Ratio	0.97	0.88	0.85	0.87	0.87	0.91
Return on Equity (ROE)	20.20%	10.15%	2.19%	-9.81%	0.36%	8.19%
Return on Assets (ROA)	4.36%	2.83%	1.35%	-0.65%	0.28%	3.28%
Return on Invested Capital (ROIC)	14.76%	9.44%	3.34%	-2.09%	0.85%	9.93%
Return on Capital Employed (ROCE)	18.00%	12.40%	5.90%	-2.80%	1.10%	13.10%
Earnings Yield	3.51%	4.90%	1.74%	-7.18%	0.38%	10.26%
FCF Yield	8.90%	4.96%	-6.70%	3.87%	2.33%	23.97%
Payout Ratio	8.22%	36.86%	16.60%	-	93.85%	4.57%
Buyback Yield / Dilution	55.31%	31.12%	-45.18%	-	31.12%	-0.07%

Updated Sep 30, 2025. Source: S&P Global Market Intelligence. Standard template. Financial Sources.