INTEGRATED SILICON SOLUTION

CUSIP: 45812P107 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2015
Shares 990,640 Value ($000) $17,723 Avg Close — Range —
Q4 2014
Shares 1,452,970 Value ($000) $24,076 Avg Close — Range —
Q3 2014
Shares 1,256,170 Value ($000) $17,260 Avg Close — Range —
Q2 2014
Shares 1,522,573 Value ($000) $22,488 Avg Close — Range —
Q1 2014
Shares 2,175,562 Value ($000) $33,830 Avg Close — Range —
Q4 2013
Shares 707,500 Value ($000) $8,554 Avg Close — Range —