Q.S.I Co., LTD. 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	Feb '26 Feb 25, 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	80,112	92,432	91,455	87,322	231,247	137,347
Market Cap Growth	6.49%	1.07%	4.73%	-62.24%	68.37%	26.95%
Enterprise Value	57,813	73,916	78,725	72,351	226,083	125,654
Last Close Price	9060.00	10225.17	9651.03	9081.65	24823.06	15747.53
PE Ratio	40.75	28.41	33.73	12.46	148.37	1011.12
PS Ratio	3.55	4.33	4.89	3.85	7.87	5.97
PB Ratio	0.94	1.10	1.11	1.08	3.10	2.20
P/TBV Ratio	0.96	1.13	1.14	1.10	3.21	2.61
P/FCF Ratio	41.67	172.90	25.10	26.82	42.21	-
P/OCF Ratio	25.00	28.60	16.71	16.53	28.07	113.91
EV/Sales Ratio	2.56	3.46	4.21	3.19	7.70	5.46
EV/EBITDA Ratio	23.60	18.91	-	15.61	38.97	48.15
EV/EBIT Ratio	-	62.40	-	39.21	83.58	291.60
EV/FCF Ratio	30.07	138.26	21.61	22.22	41.27	-
Debt / Equity Ratio	0.00	0.01	0.01	0.01	0.01	0.01
Debt / EBITDA Ratio	0.12	0.11	-	0.11	0.11	0.21
Debt / FCF Ratio	0.17	0.77	0.12	0.16	0.12	-
Net Debt / Equity Ratio	-0.26	-0.30	-0.24	-0.17	-0.24	-0.26
Net Debt / EBITDA Ratio	-8.51	-6.37	12.26	-3.03	-3.14	-6.15
Net Debt / FCF Ratio	-11.60	-46.57	-5.43	-4.31	-3.33	2.35
Asset Turnover	0.25	0.24	0.22	0.27	0.38	0.35
Inventory Turnover	2.24	2.25	2.11	1.71	2.45	2.20
Quick Ratio	7.41	8.80	6.73	7.34	4.94	2.07
Current Ratio	10.18	11.39	8.72	11.02	6.87	2.88
Return on Equity (ROE)	2.34%	3.91%	3.31%	9.00%	2.28%	0.23%
Return on Assets (ROA)	0.15%	0.84%	-3.05%	1.38%	2.18%	0.40%
Return on Invested Capital (ROIC)	0.28%	1.83%	-6.53%	2.43%	3.17%	1.00%
Return on Capital Employed (ROCE)	0.20%	1.40%	-5.00%	2.20%	3.60%	0.70%
Earnings Yield	2.46%	3.52%	2.96%	8.03%	0.67%	0.10%
FCF Yield	2.40%	0.58%	3.98%	3.73%	2.37%	-4.96%
Dividend Yield	1.12%	0.98%	1.04%	1.10%	0.40%	0.32%
Payout Ratio	52.90%	28.04%	33.60%	13.24%	30.83%	298.53%
Buyback Yield / Dilution	2.40%	2.21%	0.29%	-9.76%	-2.00%	-2.87%
Total Shareholder Return	3.51%	3.19%	1.33%	-8.66%	-1.59%	-2.55%

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