ALPHA & OMEGA SEMICONDUCTOR

Ticker: AOSL CUSIP: G6331P104 Class: Common Stock

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2019

Shares 48,960 Value ($000) $564 Avg Close $11.06 Range $9.94 - $12.42

Q4 2018

Shares 48,960 Value ($000) $499 Avg Close $10.30 Range $9.01 - $11.96

Q2 2018

Shares 28,070 Value ($000) $400 Avg Close $15.40 Range $12.92 - $16.30

Q1 2018

Shares 28,070 Value ($000) $434 Avg Close $16.17 Range $13.53 - $17.82

Q4 2017

Shares 28,070 Value ($000) $459 Avg Close $17.50 Range $16.30 - $18.72

Q3 2017

Shares 28,070 Value ($000) $463 Avg Close $16.38 Range $14.81 - $18.71

Q2 2017

Shares 28,070 Value ($000) $468 Avg Close $17.75 Range $15.76 - $20.48

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	48,960	$564	$11.06	$9.94 - $12.42
Q4 2018	48,960	$499	$10.30	$9.01 - $11.96
Q2 2018	28,070	$400	$15.40	$12.92 - $16.30
Q1 2018	28,070	$434	$16.17	$13.53 - $17.82
Q4 2017	28,070	$459	$17.50	$16.30 - $18.72
Q3 2017	28,070	$463	$16.38	$14.81 - $18.71
Q2 2017	28,070	$468	$17.75	$15.76 - $20.48