EXPRESS SCRIPTS INC

CUSIP: 302182100 Class: COM

Main Street Research LLC's Holding History (CIK: 0001513211)

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

Q4 2013
Shares 4,680 Value ($000) $329 Avg Close — Range —
Q3 2013
Shares 4,680 Value ($000) $289 Avg Close — Range —