VERTEX PHARMACEUTICALS INC

Ticker: VRTX CUSIP: 92532F100 Class: EQTY

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q1 2015

Shares 5,494 Value ($000) $689 Avg Close $119.81 Range $103.75 - $136.33

Q4 2014

Shares 5,613 Value ($000) $667 Avg Close $112.63 Range $96.43 - $124.35

Q3 2014

Shares 5,663 Value ($000) $636 Avg Close $95.21 Range $84.41 - $116.88

Q2 2014

Shares 13,672 Value ($000) $1,294 Avg Close $70.12 Range $59.79 - $98.80

Q4 2013

Shares 22,326 Value ($000) $1,659 Avg Close $69.64 Range $58.06 - $78.38

Q3 2013

Shares 35,310 Value ($000) $2,677 Avg Close $79.58 Range $73.43 - $89.96

Q2 2013

Shares 35,687 Value ($000) $2,857 Avg Close $73.64 Range $51.28 - $87.47

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	5,494	$689	$119.81	$103.75 - $136.33
Q4 2014	5,613	$667	$112.63	$96.43 - $124.35
Q3 2014	5,663	$636	$95.21	$84.41 - $116.88
Q2 2014	13,672	$1,294	$70.12	$59.79 - $98.80
Q4 2013	22,326	$1,659	$69.64	$58.06 - $78.38
Q3 2013	35,310	$2,677	$79.58	$73.43 - $89.96
Q2 2013	35,687	$2,857	$73.64	$51.28 - $87.47