Mark Jagiela Named Teradyne President

  Mark Jagiela Named Teradyne President

Business Wire

NORTH READING, Mass. -- November 26, 2012

Teradyne, Inc. (NYSE: TER) today announced that Mark E. Jagiela has been
appointed President of Teradyne, effective January 1, 2013. Mike Bradley will
continue as the Company's Chief Executive Officer.

Mr. Jagiela, 52, joined Teradyne in 1982 as a design engineer in the Company’s
semiconductor test unit and served in a variety of roles at Teradyne over his
30 year career including general manager of Teradyne’s Japan Division as well
as engineering, marketing and general management roles in the Semiconductor
Test Division. Since 2003, he has served as the President of the Semiconductor
Test Division, the company’s largest operating unit with sales of over $1
billion in each of the last three years. Mr. Jagiela holds a BSEE from the
University of Michigan.

Chief Executive Officer Mike Bradley noted, “Over the last 10 years Mark has
led the transformation of our Semi Test business guiding us to
industry-leading results over that time. He brings a unique combination of
technological and commercial insights and a deep understanding of our
customers' test challenges. I look forward to working with Mark in his new
role as Teradyne's President."

About Teradyne

Teradyne (NYSE:TER) is a leading supplier of Automatic Test Equipment used to
test semiconductors, wireless products, data storage and complex electronic
systems which serve consumer, communications, industrial and government
customers. In 2011, Teradyne had sales of $1.4 billion and currently employs
approximately 3,600 people worldwide. For more information, visit
www.teradyne.com. Teradyne(R) is a registered trademark of Teradyne, Inc. in
the U.S. and other countries.

Contact:

Teradyne, Inc.
Andy Blanchard, 978-370-2425
VP of Corporate Relations
andy.blanchard@teradyne.com