MASTECH DIGITAL INC

Ticker: MHH CUSIP: 57633B100 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2021

Shares 5,880 Value ($000) $104 Avg Close $17.08 Range $15.33 - $19.50

Q4 2020

Shares 5,880 Value ($000) $93 Avg Close $18.06 Range $15.38 - $22.98

Q3 2020

Shares 5,880 Value ($000) $106 Avg Close $20.88 Range $17.00 - $26.08

Q2 2020

Shares 5,880 Value ($000) $152 Avg Close $17.73 Range $7.85 - $29.98

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	5,880	$104	$17.08	$15.33 - $19.50
Q4 2020	5,880	$93	$18.06	$15.38 - $22.98
Q3 2020	5,880	$106	$20.88	$17.00 - $26.08
Q2 2020	5,880	$152	$17.73	$7.85 - $29.98