GUIDANCE SOFTWARE INC

CUSIP: 401692108 Class: CMN

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

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

Q2 2017
Shares 4,795,515 Value ($000) $31,698 Avg Close — Range —
Q1 2017
Shares 4,779,594 Value ($000) $28,200 Avg Close — Range —
Q4 2016
Shares 4,661,615 Value ($000) $33,004 Avg Close — Range —
Q3 2016
Shares 4,582,115 Value ($000) $27,309 Avg Close — Range —
Q2 2016
Shares 4,582,115 Value ($000) $28,363 Avg Close — Range —
Q1 2016
Shares 4,585,315 Value ($000) $19,717 Avg Close — Range —
Q4 2015
Shares 4,585,315 Value ($000) $27,604 Avg Close — Range —
Q3 2015
Shares 4,451,707 Value ($000) $26,799 Avg Close — Range —
Q2 2015
Shares 4,451,707 Value ($000) $37,706 Avg Close — Range —
Q1 2015
Shares 4,451,707 Value ($000) $24,084 Avg Close — Range —
Q4 2014
Shares 3,946,244 Value ($000) $28,610 Avg Close — Range —
Q3 2014
Shares 3,430,300 Value ($000) $23,086 Avg Close — Range —
Q2 2014
Shares 3,396,400 Value ($000) $30,975 Avg Close — Range —
Q1 2014
Shares 3,244,000 Value ($000) $35,879 Avg Close — Range —
Q4 2013
Shares 2,884,502 Value ($000) $29,133 Avg Close — Range —
Q3 2013
Shares 2,871,000 Value ($000) $26,040 Avg Close — Range —
Q2 2013
Shares 2,790,000 Value ($000) $24,385 Avg Close — Range —