TESCO CORP

CUSIP: 88157K101 Class: COMMON STOCK-FO

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

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

Q4 2013
Shares 16,820 Value ($000) $333 Avg Close — Range —
Q3 2013
Shares 28,810 Value ($000) $477 Avg Close — Range —
Q2 2013
Shares 28,810 Value ($000) $382 Avg Close — Range —