ALLISON TRANSMISSION HLDGS I

Ticker: ALSN CUSIP: 01973R101 Class: Common Stock

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q3 2017

Shares 105,335 Value ($000) $3,953 Avg Close $31.90 Range $28.91 - $35.19

Q1 2016

Shares 115,552 Value ($000) $3,118 Avg Close $20.64 Range $17.43 - $23.15

Q4 2015

Shares 86,354 Value ($000) $2,236 Avg Close $23.12 Range $20.82 - $24.75

Q1 2015

Shares 145,000 Value ($000) $4,631 Avg Close $26.70 Range $25.33 - $28.28

Q4 2014

Shares 157,408 Value ($000) $5,336 Avg Close $26.41 Range $21.63 - $28.77

Q3 2014

Shares 163,805 Value ($000) $4,667 Avg Close $25.08 Range $23.45 - $26.54

Q2 2014

Shares 34,484 Value ($000) $1,072 Avg Close $24.84 Range $23.44 - $25.82

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	105,335	$3,953	$31.90	$28.91 - $35.19
Q1 2016	115,552	$3,118	$20.64	$17.43 - $23.15
Q4 2015	86,354	$2,236	$23.12	$20.82 - $24.75
Q1 2015	145,000	$4,631	$26.70	$25.33 - $28.28
Q4 2014	157,408	$5,336	$26.41	$21.63 - $28.77
Q3 2014	163,805	$4,667	$25.08	$23.45 - $26.54
Q2 2014	34,484	$1,072	$24.84	$23.44 - $25.82