Investor Relations

Corporate Profile

Since 1985, PTC has been 100% committed to supporting the product development needs of manufacturing companies worldwide. Now among the largest independent software companies in the world, PTC develops, markets and supports software solutions that help our customers improve the competitiveness of their products and product development processes. Our broad product lifecycle management solution set enables manufacturers to create digital products, collaborate on designs within the enterprise and throughout the extended supply chain, and control the digital product information throughout the product lifecycle. PTC has more than 5,000 employees and serves more than 50,000 customers. We are headquartered in Needham, Massachusetts and trade on the Nasdaq Stock Market under the symbol PMTC.

Shareholder Information Exchange NASDAQ Global Market (.O) Stock Quote (PMTC) 15.51 -0.28 (-1.77%) As of 11/24/2009 4:00 PM Minimum 20 minutes delayed Listed Security PMTC Common Stock Transfer Agent American Stock Transfer & Trust Company 59 Maiden Lane Plaza Level New York, NY 10038  Phone 800-937-5449 E-mail info@amstock.com Corporate Counsel Palmer & Dodge LLP 111 Huntington Ave. Boston, MA 02199  Independent Accountants PricewaterhouseCoopers LLP 125 High Street Boston, MA 02110  Investor Relations Contact Kristian P. Talvitie Vice President, Corporate Communications Phone 781-370-6151 Fax 781-370-5662 ktalvitie@ptc.com