AKAMAI TECHNOLOGIES INC

Ticker: AKAM CUSIP: 00971T101 Class: COM

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

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

Q1 2014

Shares 82,000 Value ($000) $4,773 Avg Close $55.22 Range $45.59 - $63.15

Q4 2013

Shares 82,000 Value ($000) $3,869 Avg Close $47.19 Range $43.74 - $53.61

Q3 2013

Shares 82,000 Value ($000) $4,239 Avg Close $47.16 Range $42.17 - $53.20

Q2 2013

Shares 82,000 Value ($000) $3,489 Avg Close $41.83 Range $32.63 - $48.47

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	82,000	$4,773	$55.22	$45.59 - $63.15
Q4 2013	82,000	$3,869	$47.19	$43.74 - $53.61
Q3 2013	82,000	$4,239	$47.16	$42.17 - $53.20
Q2 2013	82,000	$3,489	$41.83	$32.63 - $48.47