ALTERA CORP

CUSIP: 021441100 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q3 2015
Shares 11,839,250 Value ($000) $592,910 Avg Close — Range —
Q2 2015
Shares 13,499,807 Value ($000) $691,190 Avg Close — Range —
Q1 2015
Shares 13,444,028 Value ($000) $576,883 Avg Close — Range —
Q4 2014
Shares 12,060,589 Value ($000) $445,518 Avg Close — Range —
Q3 2014
Shares 11,878,421 Value ($000) $425,010 Avg Close — Range —
Q2 2014
Shares 10,754,589 Value ($000) $373,830 Avg Close — Range —
Q1 2014
Shares 9,988,532 Value ($000) $361,984 Avg Close — Range —
Q4 2013
Shares 9,862,532 Value ($000) $320,641 Avg Close — Range —
Q3 2013
Shares 9,641,100 Value ($000) $358,263 Avg Close — Range —
Q2 2013
Shares 9,746,500 Value ($000) $321,537 Avg Close — Range —