ALPHA & OMEGA SEMICONDUCTOR

Ticker: AOSL CUSIP: G6331P104 Class: Common Stock

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

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

Q4 2017

Shares 2,814 Value ($000) $46 Avg Close $17.50 Range $16.30 - $18.72

Q1 2016

Shares 30,725 Value ($000) $364 Avg Close $10.55 Range $8.02 - $12.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	2,814	$46	$17.50	$16.30 - $18.72
Q1 2016	30,725	$364	$10.55	$8.02 - $12.38