GAMCO INVESTORS INC

Ticker: GAMI CUSIP: 361438104 Class: COM

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

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

Q4 2018

Shares 2,295 Value ($000) $39 Avg Close $15.61 Range $12.41 - $18.39

Q3 2018

Shares 2,186 Value ($000) $51 Avg Close $19.69 Range $17.68 - $21.59

Q2 2018

Shares 1,990 Value ($000) $53 Avg Close $19.69 Range $18.26 - $21.24

Q1 2018

Shares 2,101 Value ($000) $52 Avg Close $21.06 Range $18.71 - $23.18

Q4 2017

Shares 1,985 Value ($000) $59 Avg Close $22.23 Range $21.14 - $23.54

Q3 2017

Shares 203 Value ($000) $6 Avg Close $22.58 Range $21.34 - $24.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	2,295	$39	$15.61	$12.41 - $18.39
Q3 2018	2,186	$51	$19.69	$17.68 - $21.59
Q2 2018	1,990	$53	$19.69	$18.26 - $21.24
Q1 2018	2,101	$52	$21.06	$18.71 - $23.18
Q4 2017	1,985	$59	$22.23	$21.14 - $23.54
Q3 2017	203	$6	$22.58	$21.34 - $24.79