FIRSTENERGY CORP

Ticker: FE CUSIP: 337932107 Class: COM

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

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

Q3 2013
Shares 12,000 Value ($000) $437 Avg Close $22.25 Range $20.82 - $23.41
Q2 2013
Shares 12,000 Value ($000) $448 Avg Close $24.57 Range $20.97 - $27.13