PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q3 2018

Shares 19,367 Value ($000) $910 Avg Close $41.38 Range $32.13 - $48.85

Q2 2018

Shares 19,367 Value ($000) $653 Avg Close $31.18 Range $24.60 - $52.95

Q1 2018

Shares 300,000 Value ($000) $8,118 Avg Close $25.34 Range $16.38 - $33.22

Q4 2014

Shares 671,736 Value ($000) $34,776 Avg Close $44.02 Range $33.02 - $57.50

Q3 2014

Shares 671,736 Value ($000) $29,563 Avg Close $31.28 Range $22.70 - $47.20

Q2 2014

Shares 671,736 Value ($000) $17,559 Avg Close $21.40 Range $14.51 - $28.75

Q1 2014

Shares 671,736 Value ($000) $17,558 Avg Close $26.87 Range $16.21 - $34.65

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	19,367	$910	$41.38	$32.13 - $48.85
Q2 2018	19,367	$653	$31.18	$24.60 - $52.95
Q1 2018	300,000	$8,118	$25.34	$16.38 - $33.22
Q4 2014	671,736	$34,776	$44.02	$33.02 - $57.50
Q3 2014	671,736	$29,563	$31.28	$22.70 - $47.20
Q2 2014	671,736	$17,559	$21.40	$14.51 - $28.75
Q1 2014	671,736	$17,558	$26.87	$16.21 - $34.65