SIMULATIONS PLUS INC

Ticker: SLP CUSIP: 829214105 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2019

Shares 79,073 Value ($000) $2,299 Avg Close $33.02 Range $27.75 - $35.37

Q3 2019

Shares 62,391 Value ($000) $2,165 Avg Close $34.28 Range $27.00 - $40.84

Q2 2019

Shares 19,944 Value ($000) $570 Avg Close $23.54 Range $19.13 - $29.14

Q1 2019

Shares 10,385 Value ($000) $219 Avg Close $19.39 Range $17.65 - $20.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	79,073	$2,299	$33.02	$27.75 - $35.37
Q3 2019	62,391	$2,165	$34.28	$27.00 - $40.84
Q2 2019	19,944	$570	$23.54	$19.13 - $29.14
Q1 2019	10,385	$219	$19.39	$17.65 - $20.99