ONE Gas Ratios and Metrics

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

Millions EUR. Fiscal year is Jan - Dec.

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Feb '26 Feb 20, 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	4,551	3,948	3,790	3,197	3,836	3,656
Market Cap Growth	17.86%	4.17%	18.54%	-16.66%	4.92%	9.71%
Enterprise Value	7,414	6,834	7,022	5,894	6,729	7,184
PE Ratio	20.22	17.54	17.61	15.28	18.49	20.14
PS Ratio	2.20	1.91	1.88	1.49	1.59	2.30
PB Ratio	1.55	1.35	1.26	1.28	1.59	1.77
P/FCF Ratio	-	-	-	12.95	4.26	-
P/OCF Ratio	9.23	8.01	10.65	3.76	2.61	-
EV/Sales Ratio	3.60	3.31	3.49	2.75	2.79	4.52
EV/EBITDA Ratio	11.14	10.34	10.40	9.85	12.35	15.91
EV/EBIT Ratio	19.04	17.49	18.06	17.07	20.33	26.67
EV/FCF Ratio	-67.80	-	-	23.87	7.48	-
Debt / Equity Ratio	0.98	0.98	1.08	1.10	1.25	1.78
Debt / EBITDA Ratio	4.32	4.32	4.73	4.61	5.56	8.13
Debt / FCF Ratio	-	-	-	11.17	3.36	-
Net Debt / Equity Ratio	0.98	0.98	1.06	1.10	1.25	1.77
Net Debt / EBITDA Ratio	4.35	4.35	4.70	4.58	5.54	8.12
Net Debt / FCF Ratio	-26.27	-26.27	-9.82	11.11	3.35	-2.05
Quick Ratio	0.35	0.35	0.36	0.25	0.47	0.36
Current Ratio	0.60	0.60	0.64	0.52	1.02	2.27
Asset Turnover	0.28	0.28	0.26	0.31	0.32	0.25
Return on Equity (ROE)	8.07%	8.07%	7.59%	8.64%	8.99%	9.01%
Return on Assets (ROA)	3.32%	3.32%	3.11%	3.07%	2.73%	2.65%
Return on Capital Employed (ROCE)	6.30%	6.30%	5.80%	6.10%	5.40%	4.10%
Earnings Yield	4.95%	5.70%	5.68%	6.54%	5.41%	4.96%
FCF Yield	-2.40%	-2.77%	-8.53%	7.72%	23.45%	-48.84%
Dividend Yield	3.23%	3.51%	4.01%	4.41%	3.66%	3.51%
Payout Ratio	60.82%	60.82%	67.07%	62.32%	60.41%	60.02%
Buyback Yield / Dilution	-6.10%	-6.10%	-2.10%	-2.80%	-1.24%	-0.57%
Total Shareholder Return	-2.87%	-2.59%	1.91%	1.61%	2.42%	2.94%

Source: S&P Global Market Intelligence. Utility template. Financial Sources.