SIMULATIONS PLUS INC

Ticker: SLP CUSIP: 829214105 Class: Common Stock

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

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

Q4 2020

Shares 5,649 Value ($000) $406 Avg Close $64.97 Range $50.22 - $76.28

Q3 2020

Shares 5,677 Value ($000) $428 Avg Close $62.82 Range $55.06 - $74.66

Q2 2020

Shares 4,603 Value ($000) $275 Avg Close $43.04 Range $31.44 - $60.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	5,649	$406	$64.97	$50.22 - $76.28
Q3 2020	5,677	$428	$62.82	$55.06 - $74.66
Q2 2020	4,603	$275	$43.04	$31.44 - $60.04