EMERGENCY MEDICAL SERVICES -A

CUSIP: 29100P102 Class: COMMON STOCK

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q4 2010
Shares 24,227 Value ($000) $1,565 Avg Close — Range —
Q3 2010
Shares 29,010 Value ($000) $1,544 Avg Close — Range —
Q2 2010
Shares 29,956 Value ($000) $1,468 Avg Close — Range —
Q1 2010
Shares 24,181 Value ($000) $1,367 Avg Close — Range —
Q4 2009
Shares 24,181 Value ($000) $1,309 Avg Close — Range —
Q3 2009
Shares 23,793 Value ($000) $1,106 Avg Close — Range —
Q2 2009
Shares 23,493 Value ($000) $865 Avg Close — Range —
Q1 2009
Shares 22,434 Value ($000) $704 Avg Close — Range —
Q4 2008
Shares 30,889 Value ($000) $1,130 Avg Close — Range —
Q3 2008
Shares 44,682 Value ($000) $1,335 Avg Close — Range —
Q2 2008
Shares 46,322 Value ($000) $1,048 Avg Close — Range —
Q1 2008
Shares 79,730 Value ($000) $1,968 Avg Close — Range —
Q4 2007
Shares 76,770 Value ($000) $1,610 Avg Close — Range —
Q3 2007
Shares 77,880 Value ($000) $2,355 Avg Close — Range —
Q2 2007
Shares 55,790 Value ($000) $2,183 Avg Close — Range —
Q1 2007
Shares 73,070 Value ($000) $2,152 Avg Close — Range —
Q4 2006
Shares 76,770 Value ($000) $1,610 Avg Close — Range —