PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q3 2015

Shares 200 Value ($000) $5 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 200 Value ($000) $9 Avg Close $58.34 Range $46.17 - $78.72

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	200	$5	$42.77	$24.63 - $62.15
Q2 2015	200	$9	$58.34	$46.17 - $78.72