STRATEGIC ED INC

Ticker: STRA CUSIP: 86272C103 Class: Common Stock

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q2 2021

Shares 6,200 Value ($000) $472 Avg Close $69.29 Range $60.47 - $81.62

Q1 2021

Shares 8,900 Value ($000) $818 Avg Close $77.29 Range $65.99 - $83.15

Q4 2020

Shares 8,900 Value ($000) $848 Avg Close $79.48 Range $69.88 - $86.50

Q3 2020

Shares 8,900 Value ($000) $814 Avg Close $103.25 Range $74.73 - $147.42

Q2 2020

Shares 8,100 Value ($000) $1,245 Avg Close $132.09 Range $93.06 - $159.59

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	6,200	$472	$69.29	$60.47 - $81.62
Q1 2021	8,900	$818	$77.29	$65.99 - $83.15
Q4 2020	8,900	$848	$79.48	$69.88 - $86.50
Q3 2020	8,900	$814	$103.25	$74.73 - $147.42
Q2 2020	8,100	$1,245	$132.09	$93.06 - $159.59