News Release

October 25, 2006

For More Information Contact:
Kristi Peterson, Marketing Communications

MTS to Supply Advanced Drivetrain Dynamometers to American Axle & Manufacturing

Eden Prairie, Minn. – October 25, 2006 – MTS Systems Corporation (NASDAQ: MTSC) today announced that the company has been chosen to supply drivetrain dynamometers to American Axle & Manufacturing (NYSE: AXL).

The newly developed MTS Drivetrain Dynamometers measure the dynamic characteristics of drivetrain systems, and represent the state of the art in adaptable, compact, and quiet dynamometer-based testing.

“American Axle & Manufacturing (AAM) is an excellent partner as we transfer low-inertia dynamometer technology originally developed for F1 racing gearbox applications into highly reconfigurable systems for our automotive drivetrain customers,” said Joe Strelow, Drivetrain Test System Product Manager at MTS. “These new dynos were specifically designed to quietly deliver incredible horsepower in the compact package needed for many drivetrain applications.”

“We are extremely happy to be working with AAM to deliver this advanced dynamometer system,” said Ken Manke, MTS Group Product Manager, Ground Vehicles. “MTS is committed to being the leading manufacturer of mechanical testing solutions to enhance drivetrain product development worldwide. The system we will supply represents one of the most flexible and capable test cells of this type ever produced,” Manke said.

About MTS Systems Corporation:
MTS Systems Corporation is a leading global supplier of test systems and industrial position sensors. The company's testing hardware and software solutions help customers accelerate and improve their design, development, and manufacturing processes and are used for determining the mechanical behavior of materials, products and structures. MTS' high-performance position sensors provide controls for a variety of industrial and vehicular applications. MTS had 1,549 employees and revenue of $374 million for the fiscal year ending October 1, 2005.

Additional information on MTS can be found on the worldwide web at