KIRBY CORP

Ticker: KEX CUSIP: 497266106 Class: COM

Mountaineer Partners Management, LLC's Holding History (CIK: 0001730532)

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

Q4 2025

Shares 87,444 Value ($000) $9,635 Avg Close $101.65 Range $79.52 - $115.18

Q3 2025

Shares 65,431 Value ($000) $5,460 Avg Close $100.46 Range $81.90 - $122.50

Q2 2025

Shares 65,431 Value ($000) $7,421 Avg Close $104.91 Range $83.94 - $116.33

Q2 2022

Shares 178,703 Value ($000) $10,872 Avg Close $65.10 Range $56.62 - $73.79

Q1 2022

Shares 194,630 Value ($000) $14,051 Avg Close $66.66 Range $58.84 - $75.08

Q4 2021

Shares 200,133 Value ($000) $11,892 Avg Close $55.90 Range $47.58 - $60.67

Q3 2021

Shares 179,346 Value ($000) $8,601 Avg Close $55.45 Range $47.91 - $62.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	87,444	$9,635	$101.65	$79.52 - $115.18
Q3 2025	65,431	$5,460	$100.46	$81.90 - $122.50
Q2 2025	65,431	$7,421	$104.91	$83.94 - $116.33
Q2 2022	178,703	$10,872	$65.10	$56.62 - $73.79
Q1 2022	194,630	$14,051	$66.66	$58.84 - $75.08
Q4 2021	200,133	$11,892	$55.90	$47.58 - $60.67
Q3 2021	179,346	$8,601	$55.45	$47.91 - $62.15