ROFIN SINAR TECHNOLOGIES INC

CUSIP: 775043102 Class: COMMON STOCK

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

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

Q3 2016
Shares 205,565 Value ($000) $6,615 Avg Close — Range —
Q2 2016
Shares 199,375 Value ($000) $6,368 Avg Close — Range —
Q1 2016
Shares 195,920 Value ($000) $6,313 Avg Close — Range —
Q4 2015
Shares 187,353 Value ($000) $5,017 Avg Close — Range —
Q3 2015
Shares 178,017 Value ($000) $4,616 Avg Close — Range —
Q2 2015
Shares 171,550 Value ($000) $4,735 Avg Close — Range —
Q1 2015
Shares 174,070 Value ($000) $4,218 Avg Close — Range —
Q4 2014
Shares 169,908 Value ($000) $4,888 Avg Close — Range —
Q3 2014
Shares 168,521 Value ($000) $3,886 Avg Close — Range —
Q2 2014
Shares 170,669 Value ($000) $4,103 Avg Close — Range —
Q1 2014
Shares 179,376 Value ($000) $4,298 Avg Close — Range —
Q4 2013
Shares 172,974 Value ($000) $4,673 Avg Close — Range —
Q3 2013
Shares 163,215 Value ($000) $3,951 Avg Close — Range —
Q2 2013
Shares 157,707 Value ($000) $3,933 Avg Close — Range —