SBA COMMUNICATIONS CORP

CUSIP: 78388J106 Class: COMMON STOCK

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2013
Shares 107,405 Value ($000) $8,642 Avg Close — Range —
Q2 2013
Shares 356,160 Value ($000) $26,398 Avg Close — Range —