TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

IRIDIAN ASSET MANAGEMENT LLC/CT's Holding History (CIK: 0001033427)

Note: Option positions (PUT/CALL) are excluded.

Q2 2014

Shares 10,521 Value ($000) $206 Avg Close $17.16 Range $15.60 - $19.07

Q1 2014

Shares 14,691 Value ($000) $292 Avg Close $17.80 Range $15.98 - $18.91

Q4 2013

Shares 21,491 Value ($000) $379 Avg Close $15.55 Range $14.50 - $16.48

Q3 2013

Shares 21,491 Value ($000) $355 Avg Close $15.28 Range $14.01 - $17.24

Q2 2013

Shares 21,491 Value ($000) $378 Avg Close $15.29 Range $12.93 - $17.09

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	10,521	$206	$17.16	$15.60 - $19.07
Q1 2014	14,691	$292	$17.80	$15.98 - $18.91
Q4 2013	21,491	$379	$15.55	$14.50 - $16.48
Q3 2013	21,491	$355	$15.28	$14.01 - $17.24
Q2 2013	21,491	$378	$15.29	$12.93 - $17.09