DOLBY LABORATORIES INC

Ticker: DLB CUSIP: 25659T107 Class: Common Stock

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

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

Q3 2016

Shares 4,552 Value ($000) $247 Avg Close $44.12 Range $39.59 - $48.22

Q1 2016

Shares 658 Value ($000) $29 Avg Close $32.54 Range $26.57 - $38.48

Q4 2015

Shares 818 Value ($000) $28 Avg Close $29.99 Range $27.42 - $31.59

Q4 2014

Shares 201 Value ($000) $9 Avg Close $36.69 Range $32.58 - $39.93

Q3 2014

Shares 1,458 Value ($000) $61 Avg Close $38.23 Range $35.13 - $40.80

Q2 2014

Shares 1,828 Value ($000) $79 Avg Close $36.03 Range $33.45 - $38.82

Q3 2013

Shares 359 Value ($000) $12 Avg Close $28.66 Range $26.74 - $30.36

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	4,552	$247	$44.12	$39.59 - $48.22
Q1 2016	658	$29	$32.54	$26.57 - $38.48
Q4 2015	818	$28	$29.99	$27.42 - $31.59
Q4 2014	201	$9	$36.69	$32.58 - $39.93
Q3 2014	1,458	$61	$38.23	$35.13 - $40.80
Q2 2014	1,828	$79	$36.03	$33.45 - $38.82
Q3 2013	359	$12	$28.66	$26.74 - $30.36