TWIN DISC INC

Ticker: TWIN CUSIP: 901476101 Class: COM

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

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

Q1 2019

Shares 3,034 Value ($000) $51 Avg Close $16.49 Range $13.47 - $18.48

Q4 2017

Shares 1,260 Value ($000) $33 Avg Close $23.67 Range $17.98 - $28.38

Q1 2015

Shares 38 Value ($000) $1 Avg Close $17.11 Range $14.78 - $19.73

Q4 2014

Shares 2,429 Value ($000) $48 Avg Close $21.96 Range $17.04 - $25.59

Q2 2014

Shares 148 Value ($000) $5 Avg Close $28.23 Range $21.89 - $32.21

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	3,034	$51	$16.49	$13.47 - $18.48
Q4 2017	1,260	$33	$23.67	$17.98 - $28.38
Q1 2015	38	$1	$17.11	$14.78 - $19.73
Q4 2014	2,429	$48	$21.96	$17.04 - $25.59
Q2 2014	148	$5	$28.23	$21.89 - $32.21