PTC THERAPEUTICS, INC. — Director's Dealing 2013

Jun 19, 2013

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: PTC THERAPEUTICS, INC. (PTCT)
CIK: 0001070081
Period of Report: 2013-06-19

Reporting Person: CREDIT SUISSE AG/ (10% Owner)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Series Four Senior Preferred Stock	$		Common Stock (276853)		Indirect
Series Five Junior Preferred Stock	$		Common Stock (1980029)		Indirect

Footnotes

F1: See Footnote 1 in Exhibit 99.1.

F2: See Footnote 1 in Exhibit 99.1.

F3: See Footnote 1 in Exhibit 99.1.

F4: See Footnote 1 in Exhibit 99.1.

F5: See Footnote 1 in Exhibit 99.1.