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 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Apr '26 Apr 28, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Market Capitalization	2,372,204	1,364,720	555,705	327,617	371,852	265,411
Market Cap Growth	302.83%	145.58%	69.62%	-11.90%	40.10%	31.87%
Enterprise Value	2,518,951	1,509,420	788,407	517,066	555,464	426,829
Last Close Price	59100.00	34000.00	20100.00	11850.00	13450.00	9600.00
PE Ratio	32.97	20.45	32.34	70.91	-	4294.70
PS Ratio	3.01	1.73	0.77	0.52	0.68	0.54
PB Ratio	6.92	3.98	2.01	1.26	1.43	0.94
P/TBV Ratio	7.02	4.04	2.04	1.28	1.48	0.97
P/FCF Ratio	37.68	21.68	20.18	-	25.85	42.86
P/OCF Ratio	32.55	18.73	15.14	-	13.99	14.58
EV/Sales Ratio	3.19	1.91	1.09	0.82	1.02	0.87
EV/EBITDA Ratio	30.02	17.99	14.56	17.22	101.17	24.29
EV/EBIT Ratio	36.20	21.69	18.67	27.40	-	117.12
EV/FCF Ratio	40.01	23.98	28.63	-	38.61	68.92
Debt / Equity Ratio	0.92	0.92	1.14	1.01	0.93	0.92
Debt / EBITDA Ratio	3.78	3.78	5.82	8.71	43.88	14.83
Debt / FCF Ratio	5.03	5.03	11.45	-	16.75	42.08
Net Debt / Equity Ratio	0.43	0.43	0.67	0.67	0.55	0.54
Net Debt / EBITDA Ratio	1.75	1.75	3.39	5.81	26.18	8.77
Net Debt / FCF Ratio	2.33	2.33	6.68	-7.95	9.99	24.88
Asset Turnover	0.74	0.74	0.78	0.72	0.64	0.60
Inventory Turnover	2.14	2.14	2.60	2.86	2.75	2.71
Quick Ratio	0.42	0.42	0.35	0.38	0.38	0.41
Current Ratio	0.98	0.98	0.88	0.85	0.87	0.87
Return on Equity (ROE)	22.26%	22.26%	10.15%	2.19%	-9.81%	0.36%
Return on Assets (ROA)	4.09%	4.09%	2.83%	1.35%	-0.65%	0.28%
Return on Invested Capital (ROIC)	14.42%	14.65%	9.44%	3.34%	-2.09%	0.85%
Return on Capital Employed (ROCE)	16.90%	16.90%	12.40%	5.90%	-2.80%	1.10%
Earnings Yield	2.81%	5.05%	4.90%	1.74%	-7.18%	0.38%
FCF Yield	2.65%	4.61%	4.96%	-6.70%	3.87%	2.33%
Payout Ratio	3.64%	3.64%	36.86%	16.60%	-	93.85%
Buyback Yield / Dilution	-34.66%	-34.66%	31.12%	-45.18%	-	31.12%

Updated Dec 31, 2025. Source: S&P Global Market Intelligence. Standard template. Financial Sources.