ENZON PHARMACEUTICALS INC

Ticker: ENZN CUSIP: 293904108 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2014

Shares 67,671 Value ($000) $70 Avg Close $0.08 Range $0.06 - $0.10

Q4 2013

Shares 67,671 Value ($000) $78 Avg Close $0.09 Range $0.08 - $0.10

Q3 2013

Shares 67,671 Value ($000) $114 Avg Close $0.10 Range $0.09 - $0.12

Q2 2013

Shares 65,465 Value ($000) $131 Avg Close $0.09 Range $0.08 - $0.11

Q1 2013

Shares 67,323 Value ($000) $256 Avg Close $0.13 Range $0.11 - $0.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	67,671	$70	$0.08	$0.06 - $0.10
Q4 2013	67,671	$78	$0.09	$0.08 - $0.10
Q3 2013	67,671	$114	$0.10	$0.09 - $0.12
Q2 2013	65,465	$131	$0.09	$0.08 - $0.11
Q1 2013	67,323	$256	$0.13	$0.11 - $0.14