SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

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

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

Q4 2017
Shares 6,426 Value ($000) $567 Avg Close $89.86 Range $80.17 - $96.93
Q1 2017
Shares 18 Value ($000) $1 Avg Close $69.95 Range $63.15 - $75.60
Q3 2016
Shares 684 Value ($000) $40 Avg Close $54.01 Range $45.94 - $59.35
Q2 2016
Shares 1,212 Value ($000) $59 Avg Close $47.19 Range $42.63 - $51.00
Q1 2016
Shares 1,027 Value ($000) $46 Avg Close $43.02 Range $36.56 - $48.00
Q4 2015
Shares 1,678 Value ($000) $81 Avg Close $49.45 Range $40.03 - $54.72
Q3 2015
Shares 184 Value ($000) $8 Avg Close $45.65 Range $39.33 - $55.08
Q2 2015
Shares 2,698 Value ($000) $146 Avg Close $53.48 Range $49.62 - $58.54
Q1 2015
Shares 916 Value ($000) $47 Avg Close $48.54 Range $42.61 - $52.83
Q4 2014
Shares 4,018 Value ($000) $191 Avg Close $44.13 Range $36.29 - $48.50
Q2 2014
Shares 8,750 Value ($000) $431 Avg Close $47.57 Range $42.41 - $53.78
Q1 2014
Shares 2,003 Value ($000) $105 Avg Close $48.31 Range $41.19 - $54.00
Q4 2013
Shares 4,272 Value ($000) $185 Avg Close $40.96 Range $37.57 - $44.19
Q3 2013
Shares 405 Value ($000) $17 Avg Close $41.35 Range $38.16 - $46.21
Q2 2013
Shares 273 Value ($000) $11 Avg Close $41.29 Range $38.04 - $44.00