MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

CLOUGH CAPITAL PARTNERS L P's Holding History (CIK: 0001276144)

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

Q3 2018

Shares 82,000 Value ($000) $10,293 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 89,200 Value ($000) $11,923 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 89,500 Value ($000) $10,361 Avg Close $111.03 Range $96.61 - $119.53

Q4 2016

Shares 187,600 Value ($000) $15,370 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 117,500 Value ($000) $9,459 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 158,200 Value ($000) $10,808 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 191,100 Value ($000) $12,162 Avg Close $54.76 Range $50.58 - $59.11

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	82,000	$10,293	$131.20	$117.51 - $143.26
Q2 2018	89,200	$11,923	$119.62	$102.58 - $133.88
Q1 2018	89,500	$10,361	$111.03	$96.61 - $119.53
Q4 2016	187,600	$15,370	$74.44	$69.57 - $81.67
Q3 2016	117,500	$9,459	$68.33	$60.21 - $75.04
Q2 2016	158,200	$10,808	$60.38	$55.33 - $65.50
Q1 2016	191,100	$12,162	$54.76	$50.58 - $59.11