ARUBA NETWORKS INC

CUSIP: 043176106 Class: CMN

DISCIPLINED GROWTH INVESTORS INC /MN's Holding History (CIK: 0001050442)

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

Q1 2015
Shares 2,266,200 Value ($000) $55,499 Avg Close — Range —
Q4 2014
Shares 2,307,025 Value ($000) $41,942 Avg Close — Range —
Q3 2014
Shares 827,450 Value ($000) $17,856 Avg Close — Range —
Q2 2014
Shares 833,950 Value ($000) $14,611 Avg Close — Range —
Q1 2014
Shares 950,250 Value ($000) $17,817 Avg Close — Range —
Q4 2013
Shares 1,005,450 Value ($000) $17,998 Avg Close — Range —
Q3 2013
Shares 1,017,500 Value ($000) $16,931 Avg Close — Range —
Q2 2013
Shares 1,003,800 Value ($000) $15,418 Avg Close — Range —