PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q4 2016

Shares 22,518 Value ($000) $246 Avg Close $10.49 Range $4.03 - $14.57

Q3 2016

Shares 23,911 Value ($000) $335 Avg Close $8.13 Range $5.64 - $14.35

Q2 2016

Shares 22,488 Value ($000) $158 Avg Close $7.33 Range $5.78 - $10.15

Q3 2015

Shares 25,088 Value ($000) $670 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 20,056 Value ($000) $965 Avg Close $58.34 Range $46.17 - $78.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	22,518	$246	$10.49	$4.03 - $14.57
Q3 2016	23,911	$335	$8.13	$5.64 - $14.35
Q2 2016	22,488	$158	$7.33	$5.78 - $10.15
Q3 2015	25,088	$670	$42.77	$24.63 - $62.15
Q2 2015	20,056	$965	$58.34	$46.17 - $78.72