MARTIN MARIETTA MATLS INC

Ticker: MLM CUSIP: 573284106 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2014

Shares 246,203 Value ($000) $27,161 Avg Close $108.18 Range $94.54 - $120.41

Q3 2014

Shares 353,348 Value ($000) $45,561 Avg Close $117.60 Range $112.68 - $122.71

Q2 2014

Shares 366,683 Value ($000) $48,420 Avg Close $114.23 Range $104.92 - $124.28

Q1 2014

Shares 434,275 Value ($000) $55,739 Avg Close $104.25 Range $89.30 - $117.14

Q4 2013

Shares 309,300 Value ($000) $30,911 Avg Close $88.81 Range $84.77 - $96.02

Q3 2013

Shares 316,510 Value ($000) $31,072 Avg Close $89.34 Range $84.99 - $96.07

Q2 2013

Shares 281,945 Value ($000) $27,749 Avg Close $93.00 Range $83.24 - $101.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	246,203	$27,161	$108.18	$94.54 - $120.41
Q3 2014	353,348	$45,561	$117.60	$112.68 - $122.71
Q2 2014	366,683	$48,420	$114.23	$104.92 - $124.28
Q1 2014	434,275	$55,739	$104.25	$89.30 - $117.14
Q4 2013	309,300	$30,911	$88.81	$84.77 - $96.02
Q3 2013	316,510	$31,072	$89.34	$84.99 - $96.07
Q2 2013	281,945	$27,749	$93.00	$83.24 - $101.69