ENZON PHARMACEUTICALS INC

Ticker: ENZN CUSIP: 293904108 Class: CMN

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

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

Q1 2014

Shares 16,038 Value ($000) $17 Avg Close $0.08 Range $0.06 - $0.10

Q4 2013

Shares 16,366 Value ($000) $19 Avg Close $0.09 Range $0.08 - $0.10

Q3 2013

Shares 16,669 Value ($000) $28 Avg Close $0.10 Range $0.09 - $0.12

Q2 2013

Shares 17,736 Value ($000) $35 Avg Close $0.09 Range $0.08 - $0.11

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	16,038	$17	$0.08	$0.06 - $0.10
Q4 2013	16,366	$19	$0.09	$0.08 - $0.10
Q3 2013	16,669	$28	$0.10	$0.09 - $0.12
Q2 2013	17,736	$35	$0.09	$0.08 - $0.11