ARCHROCK INC

Ticker: AROC CUSIP: 03957W106 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2017

Shares 38,410 Value ($000) $404 Avg Close $6.83 Range $5.85 - $8.14

Q3 2017

Shares 106,161 Value ($000) $1,333 Avg Close $6.77 Range $5.19 - $8.04

Q2 2017

Shares 106,161 Value ($000) $1,211 Avg Close $7.06 Range $5.94 - $8.35

Q1 2017

Shares 103,356 Value ($000) $1,282 Avg Close $8.56 Range $7.07 - $10.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	38,410	$404	$6.83	$5.85 - $8.14
Q3 2017	106,161	$1,333	$6.77	$5.19 - $8.04
Q2 2017	106,161	$1,211	$7.06	$5.94 - $8.35
Q1 2017	103,356	$1,282	$8.56	$7.07 - $10.04