ALLISON TRANSMISSION HLDGS I

Ticker: ALSN CUSIP: 01973R101 Class: Common Stock

Callahan Advisors, LLC's Holding History (CIK: 0001395055)

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

Q3 2019

Shares 24,662 Value ($000) $1,160 Avg Close $40.82 Range $37.48 - $43.14

Q2 2019

Shares 20,736 Value ($000) $961 Avg Close $40.66 Range $37.09 - $45.21

Q1 2019

Shares 20,886 Value ($000) $938 Avg Close $42.45 Range $38.45 - $47.05

Q4 2018

Shares 15,585 Value ($000) $684 Avg Close $41.35 Range $36.04 - $47.87

Q3 2018

Shares 17,885 Value ($000) $930 Avg Close $41.70 Range $35.01 - $47.85

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	24,662	$1,160	$40.82	$37.48 - $43.14
Q2 2019	20,736	$961	$40.66	$37.09 - $45.21
Q1 2019	20,886	$938	$42.45	$38.45 - $47.05
Q4 2018	15,585	$684	$41.35	$36.04 - $47.87
Q3 2018	17,885	$930	$41.70	$35.01 - $47.85