NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2015

Shares 27,585 Value ($000) $4,578 Avg Close $141.60 Range $128.46 - $149.14

Q1 2015

Shares 52,917 Value ($000) $8,518 Avg Close $133.81 Range $118.31 - $143.99

Q3 2014

Shares 40,866 Value ($000) $5,385 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 36,850 Value ($000) $4,408 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 31,981 Value ($000) $3,946 Avg Close $97.12 Range $89.29 - $103.07

Q3 2013

Shares 7,190 Value ($000) $685 Avg Close $74.87 Range $66.06 - $80.62

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	27,585	$4,578	$141.60	$128.46 - $149.14
Q1 2015	52,917	$8,518	$133.81	$118.31 - $143.99
Q3 2014	40,866	$5,385	$104.60	$97.77 - $111.63
Q2 2014	36,850	$4,408	$99.58	$95.46 - $103.59
Q1 2014	31,981	$3,946	$97.12	$89.29 - $103.07
Q3 2013	7,190	$685	$74.87	$66.06 - $80.62