PTC (Nasdaq: PMTC), the Product Development Company?, announced recently that Lockheed Martin's Engineering Process Improvement Center (EPIC) has added Mathcad to its preferred supplier agreement with PTC as a tool for critical engineering calculations.? Mathcad provides industry leading capabilities to create, automate, document, and reuse engineering calculations in the product development process. PTC recently added Mathcad to its product offering when it acquired Mathsoft Engineering and Education, Inc. in April 2006.? Lockheed Martin is also a customer of PTC? Pro/ENGINEER for the development of detailed, intuitive and realistic digital product representations, PTC Windchill? for content and process management and PTC Arbortext? for dynamic publishing.

PTC's addition of Mathcad to its product portfolio now allows customers to easily implement integrated and efficient engineering calculation management.? This can result is saving valuable engineers' time and reducing errors.? "Lockheed Martin is consistently trying to improve design efficiency to bring higher quality products to market in shorter timeframes," said Steve Butt, director of Engineering Process Improvement Center at Lockheed Martin.

Mathcad's ease-of-use and ability to facilitate the creation and sharing of important product and system design parameters is a keystone to the design process.? The ability to share details early in the design process better informs decision makers and provides visibility and traceability during the entire development effort. Mathcad can help customers improve verification and validation of critical calculations, reuse calculation content, and most importantly document calculations, capturing valuable company intellectual property.? The combined strengths of Pro/ENGINEER and Mathcad deliver an integral solution that helps automate the process of leveraging critical engineering calculations to drive product design models.??

"We are extremely pleased to extend our existing relationship with Lockheed Martin to include Mathcad as a preferred tool for critical engineering calculations," said James Heppelmann, executive vice president software solutions and Chief Product Officer, PTC. "PTC continues to invest in innovative product development solutions that offer our customers competitive differentiation in their strategies."

About PTC Solutions for Aerospace and Defense
PTC (Nasdaq: PMTC) provides product lifecycle management solutions designed to meet the requirements of the global aerospace and defense industry. These solutions enable digital automation of product development and program management processes, as well as complete visibility and control over program information for secure, collaborative product development. PTC is an industry leader with 18 of the top 20 A&D companies as customers.

About PTC
PTC (Nasdaq: PMTC) provides leading Product Lifecycle Management (PLM) software solutions to more than 35,000 companies worldwide.? PTC customers include many of the world's most innovative manufacturing companies in the aerospace & defense, automotive, consumer, electronics & high technology, industrial equipment and medical products industries. PTC is included in the S&P 500 and Russell 2000 indices.