ATON Inc. 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 23, 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	208,113	145,750	126,015	92,668	90,369	184,086
Market Cap Growth	75.44%	15.66%	35.98%	2.54%	-50.91%	73.07%
Enterprise Value	195,999	134,804	129,127	83,087	82,905	151,036
Last Close Price	8810.00	6170.00	5684.52	4192.96	4216.98	8553.52
PE Ratio	133.48	94.06	11.95	10.09	5.32	148.44
Forward PE	-	10.61	10.74	9.20	15.23	15.23
PS Ratio	3.08	2.16	1.93	1.68	2.02	4.25
PB Ratio	1.99	1.40	1.40	1.11	1.28	3.48
P/TBV Ratio	2.44	1.71	1.79	1.41	1.37	3.79
P/FCF Ratio	166.89	116.88	9.12	6.75	8.63	-
P/OCF Ratio	133.23	93.30	8.89	6.28	8.22	26.22
EV/Sales Ratio	2.90	1.99	1.97	1.51	1.85	3.49
EV/EBITDA Ratio	21.41	9.37	7.17	5.99	8.34	14.45
EV/EBIT Ratio	38.58	13.07	9.14	7.34	10.46	16.52
EV/FCF Ratio	157.18	108.10	9.35	6.05	7.91	-
Debt / Equity Ratio	0.23	0.23	0.33	0.47	0.44	0.47
Debt / EBITDA Ratio	1.70	1.70	1.64	2.80	3.15	2.36
Debt / FCF Ratio	19.64	19.64	2.14	2.83	2.99	-
Net Debt / Equity Ratio	-0.16	-0.16	-0.07	-0.17	-0.12	-0.41
Net Debt / EBITDA Ratio	-1.20	-1.20	-0.37	-1.00	-0.88	-2.08
Net Debt / FCF Ratio	-13.84	-13.84	-0.48	-1.01	-0.84	22.47
Asset Turnover	0.48	0.48	0.46	0.42	0.41	0.56
Inventory Turnover	7.65	7.65	6.98	11.16	424.56	142.09
Quick Ratio	2.40	2.40	1.17	1.13	1.25	1.44
Current Ratio	3.41	3.41	1.49	1.32	1.49	1.72
Return on Equity (ROE)	2.25%	2.25%	12.75%	13.25%	27.88%	2.98%
Return on Assets (ROA)	4.53%	4.53%	6.22%	5.36%	4.57%	7.36%
Return on Invested Capital (ROIC)	11.48%	12.10%	16.85%	12.66%	17.02%	19.68%
Return on Capital Employed (ROCE)	8.30%	8.30%	14.20%	12.30%	9.60%	14.80%
Earnings Yield	0.74%	1.06%	8.37%	9.92%	18.79%	0.67%
FCF Yield	0.60%	0.86%	10.96%	14.82%	11.59%	-0.53%
Payout Ratio	127.05%	127.05%	18.73%	4.56%	-	-
Buyback Yield / Dilution	-6.65%	-6.65%	6.97%	-3.99%	-10.27%	-0.98%

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