PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2022

Shares 12,764 Value ($000) $487 Avg Close $41.57 Range $33.25 - $55.25

Q4 2018

Shares 8 Value ($000) $0 Avg Close $35.96 Range $28.91 - $48.99

Q3 2018

Shares 117 Value ($000) $5 Avg Close $41.38 Range $32.13 - $48.85

Q4 2017

Shares 633,384 Value ($000) $10,565 Avg Close $16.93 Range $14.87 - $21.58

Q2 2017

Shares 566 Value ($000) $10 Avg Close $13.47 Range $9.41 - $18.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	12,764	$487	$41.57	$33.25 - $55.25
Q4 2018	8	$0	$35.96	$28.91 - $48.99
Q3 2018	117	$5	$41.38	$32.13 - $48.85
Q4 2017	633,384	$10,565	$16.93	$14.87 - $21.58
Q2 2017	566	$10	$13.47	$9.41 - $18.86