NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

East Coast Asset Management, LLC.'s Holding History (CIK: 0001579254)

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

Q2 2013
Shares 640 Value ($000) $53 Avg Close $62.64 Range $55.45 - $68.16
Q1 2013
Shares 640 Value ($000) $45 Avg Close $53.29 Range $51.18 - $56.31
Q4 2012
Shares 640 Value ($000) $43 Avg Close — Range —