PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Birchview Capital, LP's Holding History (CIK: 0001618205)

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

Q4 2015

Shares 14,900 Value ($000) $483 Avg Close $29.43 Range $22.67 - $35.76

Q3 2015

Shares 16,900 Value ($000) $451 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 16,900 Value ($000) $813 Avg Close $58.34 Range $46.17 - $78.72

Q1 2015

Shares 16,900 Value ($000) $1,028 Avg Close $61.01 Range $46.91 - $77.87

Q4 2014

Shares 19,900 Value ($000) $1,030 Avg Close $44.02 Range $33.02 - $57.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	14,900	$483	$29.43	$22.67 - $35.76
Q3 2015	16,900	$451	$42.77	$24.63 - $62.15
Q2 2015	16,900	$813	$58.34	$46.17 - $78.72
Q1 2015	16,900	$1,028	$61.01	$46.91 - $77.87
Q4 2014	19,900	$1,030	$44.02	$33.02 - $57.50