PROLOGIS

CUSIP: 743410102 Class: COM

TEACHERS INSURANCE & ANNUITY ASSOCIATION OF AMERICA's Holding History (CIK: 0000315038)

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

Q1 2008
Shares 427,900 Value ($000) $25,186 Avg Close — Range —
Q4 2007
Shares 427,900 Value ($000) $27,120 Avg Close — Range —
Q3 2007
Shares 427,900 Value ($000) $28,391 Avg Close — Range —
Q2 2007
Shares 459,800 Value ($000) $26,163 Avg Close — Range —
Q1 2007
Shares 447,200 Value ($000) $29,037 Avg Close — Range —
Q4 2006
Shares 462,500 Value ($000) $28,106 Avg Close — Range —
Q3 2006
Shares 463,600 Value ($000) $26,453 Avg Close — Range —
Q2 2006
Shares 453,600 Value ($000) $23,642 Avg Close — Range —
Q1 2006
Shares 400,000 Value ($000) $21,400 Avg Close — Range —
Q4 2005
Shares 400,000 Value ($000) $18,688 Avg Close — Range —
Q3 2005
Shares 471,169 Value ($000) $20,877 Avg Close — Range —
Q2 2005
Shares 327,400 Value ($000) $13,175 Avg Close — Range —
Q1 2005
Shares 363,400 Value ($000) $13,482 Avg Close — Range —
Q4 2004
Shares 200,000 Value ($000) $8,666 Avg Close — Range —
Q3 2004
Shares 200,000 Value ($000) $7,048 Avg Close — Range —
Q2 2004
Shares 200,000 Value ($000) $6,584 Avg Close — Range —
Q1 2004
Shares 330,000 Value ($000) $11,837 Avg Close — Range —
Q4 2003
Shares 330,000 Value ($000) $10,590 Avg Close — Range —
Q3 2003
Shares 430,000 Value ($000) $13,008 Avg Close — Range —
Q2 2003
Shares 180,000 Value ($000) $4,914 Avg Close — Range —
Q1 2003
Shares 180,000 Value ($000) $4,558 Avg Close — Range —
Q4 2002
Shares 180,000 Value ($000) $4,527 Avg Close — Range —
Q3 2002
Shares 219,695 Value ($000) $5,473 Avg Close — Range —
Q2 2002
Shares 196,100 Value ($000) $5,099 Avg Close — Range —
Q1 2002
Shares 241,600 Value ($000) $5,641 Avg Close — Range —