MATRIX SVC CO

Ticker: MTRX CUSIP: 576853105 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017

Shares 3,990 Value ($000) $71 Avg Close $15.72 Range $12.76 - $18.50

Q4 2014

Shares 339 Value ($000) $8 Avg Close $22.49 Range $19.05 - $25.91

Q3 2014

Shares 280 Value ($000) $7 Avg Close $27.77 Range $21.33 - $33.25

Q2 2014

Shares 1,662 Value ($000) $54 Avg Close $33.01 Range $28.11 - $38.71

Q1 2014

Shares 1,038 Value ($000) $35 Avg Close $29.94 Range $23.61 - $34.92

Q4 2013

Shares 284 Value ($000) $7 Avg Close $21.34 Range $18.46 - $24.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	3,990	$71	$15.72	$12.76 - $18.50
Q4 2014	339	$8	$22.49	$19.05 - $25.91
Q3 2014	280	$7	$27.77	$21.33 - $33.25
Q2 2014	1,662	$54	$33.01	$28.11 - $38.71
Q1 2014	1,038	$35	$29.94	$23.61 - $34.92
Q4 2013	284	$7	$21.34	$18.46 - $24.74