PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

SABBY MANAGEMENT, LLC's Holding History (CIK: 0001535610)

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

Q1 2017

Shares 54,736 Value ($000) $539 Avg Close $12.10 Range $8.12 - $16.50

Q3 2015

Shares 23,387 Value ($000) $624 Avg Close $42.77 Range $24.63 - $62.15

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	54,736	$539	$12.10	$8.12 - $16.50
Q3 2015	23,387	$624	$42.77	$24.63 - $62.15