ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

Zimmer Partners, LP's Holding History (CIK: 0001565854)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 50 Value ($000) $4 Avg Close $80.38 Range $76.52 - $83.96

Q1 2024

Shares 262,500 Value ($000) $16,939 Avg Close $61.35 Range $57.74 - $65.75

Q4 2022

Shares 51,500 Value ($000) $3,900 Avg Close $77.17 Range $68.86 - $89.01

Q3 2022

Shares 215,000 Value ($000) $15,134 Avg Close $80.56 Range $70.22 - $85.81

Q2 2022

Shares 220,000 Value ($000) $17,862 Avg Close $85.62 Range $76.73 - $92.26

Q1 2022

Shares 194,000 Value ($000) $17,119 Avg Close $80.54 Range $73.37 - $89.63

Q4 2021

Shares 187,500 Value ($000) $14,548 Avg Close $69.61 Range $63.23 - $78.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	50	$4	$80.38	$76.52 - $83.96
Q1 2024	262,500	$16,939	$61.35	$57.74 - $65.75
Q4 2022	51,500	$3,900	$77.17	$68.86 - $89.01
Q3 2022	215,000	$15,134	$80.56	$70.22 - $85.81
Q2 2022	220,000	$17,862	$85.62	$76.73 - $92.26
Q1 2022	194,000	$17,119	$80.54	$73.37 - $89.63
Q4 2021	187,500	$14,548	$69.61	$63.23 - $78.01