NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

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

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

Q1 2015
Shares 1,290 Value ($000) $616 Avg Close $367.39 Range $319.97 - $392.44
Q4 2014
Shares 1,290 Value ($000) $521 Avg Close $312.98 Range $277.26 - $338.91
Q3 2014
Shares 1,290 Value ($000) $492 Avg Close $320.90 Range $307.35 - $336.58
Q2 2014
Shares 1,290 Value ($000) $506 Avg Close $310.95 Range $287.91 - $326.05
Q1 2014
Shares 1,290 Value ($000) $504 Avg Close $285.19 Range $248.98 - $321.55
Q4 2013
Shares 1,290 Value ($000) $431 Avg Close $252.29 Range $224.72 - $274.67
Q3 2013
Shares 1,290 Value ($000) $371 Avg Close $221.88 Range $207.82 - $236.56
Q2 2013
Shares 1,290 Value ($000) $339 Avg Close $215.14 Range $203.34 - $223.89