TOWERS WATSON & CO

CUSIP: 891894107 Class: CL A

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2015
Shares 315,687 Value ($000) $40,553 Avg Close — Range —
Q3 2015
Shares 214,005 Value ($000) $25,120 Avg Close — Range —
Q2 2015
Shares 212,588 Value ($000) $26,744 Avg Close — Range —
Q1 2015
Shares 203,354 Value ($000) $26,880 Avg Close — Range —
Q4 2014
Shares 187,970 Value ($000) $21,273 Avg Close — Range —
Q3 2014
Shares 190,267 Value ($000) $18,932 Avg Close — Range —
Q2 2014
Shares 171,506 Value ($000) $17,875 Avg Close — Range —
Q1 2014
Shares 259,304 Value ($000) $29,574 Avg Close — Range —
Q4 2013
Shares 252,029 Value ($000) $32,161 Avg Close — Range —
Q3 2013
Shares 303,527 Value ($000) $32,465 Avg Close — Range —
Q2 2013
Shares 155,877 Value ($000) $12,772 Avg Close — Range —