ON SEMICONDUCTOR CORP

CUSIP: 682189AH8 Class: CNV

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

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

Q4 2013
Shares 10,922,000 Value ($000) $12,007 Avg Close — Range —
Q3 2013
Shares 11,568,000 Value ($000) $12,501 Avg Close — Range —
Q2 2013
Shares 12,013,000 Value ($000) $13,807 Avg Close — Range —