ALPHATEC HOLDINGS INC

CUSIP: 02081G102 Class: CMN

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

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

Q1 2014
Shares 22,115 Value ($000) $33 Avg Close — Range —
Q4 2013
Shares 22,568 Value ($000) $45 Avg Close — Range —
Q3 2013
Shares 22,985 Value ($000) $45 Avg Close — Range —
Q2 2013
Shares 24,456 Value ($000) $50 Avg Close — Range —