GIGAMON INC

CUSIP: 37518B102 Class: COM

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q2 2015
Shares 14,927 Value ($000) $492 Avg Close — Range —
Q1 2015
Shares 16,712 Value ($000) $355 Avg Close — Range —
Q2 2014
Shares 522,897 Value ($000) $10,008 Avg Close — Range —