ZYNEX INC

Ticker: ZYXIQ CUSIP: 98986M103 Class: Common Stock

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2020

Shares 7,255 Value ($000) $98 Avg Close $13.01 Range $11.39 - $18.27

Q3 2020

Shares 7,292 Value ($000) $127 Avg Close $16.88 Range $11.98 - $27.03

Q2 2020

Shares 5,732 Value ($000) $143 Avg Close $16.74 Range $8.87 - $24.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	7,255	$98	$13.01	$11.39 - $18.27
Q3 2020	7,292	$127	$16.88	$11.98 - $27.03
Q2 2020	5,732	$143	$16.74	$8.87 - $24.55