<SEC-DOCUMENT>0001206774-18-000273-index.html : 20180124
<SEC-HEADER>0001206774-18-000273.hdr.sgml : 20180124
<ACCEPTANCE-DATETIME>20180124170317
ACCESSION NUMBER:		0001206774-18-000273
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20180124
DATE AS OF CHANGE:		20180124
EFFECTIVENESS DATE:		20180124

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PTC INC.
		CENTRAL INDEX KEY:			0000857005
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				042866152
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18059
		FILM NUMBER:		18545923

	BUSINESS ADDRESS:	
		STREET 1:		140 KENDRICK STREET
		CITY:			NEEDHAM
		STATE:			MA
		ZIP:			02494
		BUSINESS PHONE:		7813705000

	MAIL ADDRESS:	
		STREET 1:		140 KENDRICK STREET
		CITY:			NEEDHAM
		STATE:			MA
		ZIP:			02494

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PARAMETRIC TECHNOLOGY CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>ptc3324771-defa14a.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS
<TEXT>
Document 1 - file: ptc3324771-defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>ptc3324771-defa14ax1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: ptc3324771-defa14ax1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>ptc3324771-defa14ax1x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: ptc3324771-defa14ax1x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ptc3324771-defa14ax2x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ptc3324771-defa14ax2x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ptc3324771-defa14ax3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: ptc3324771-defa14ax3x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ptc3324771-defa14ax4x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: ptc3324771-defa14ax4x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>