WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q1 2016
Shares 56 Value ($000) $3 Avg Close $39.11 Range $34.33 - $46.52
Q4 2015
Shares 56 Value ($000) $3 Avg Close $49.75 Range $44.01 - $54.52
Q3 2015
Shares 195 Value ($000) $10 Avg Close $49.96 Range $42.26 - $59.13
Q2 2015
Shares 195 Value ($000) $13 Avg Close $62.10 Range $58.06 - $67.58
Q1 2015
Shares 1,025 Value ($000) $74 Avg Close $54.56 Range $46.07 - $62.01
Q4 2014
Shares 19,329 Value ($000) $1,181 Avg Close $57.80 Range $45.45 - $73.16
Q3 2014
Shares 19,978 Value ($000) $1,625 Avg Close $76.69 Range $70.51 - $83.52
Q2 2014
Shares 23,398 Value ($000) $1,960 Avg Close $63.36 Range $52.18 - $72.01
Q1 2014
Shares 10,998 Value ($000) $728 Avg Close $53.68 Range $48.11 - $58.70
Q4 2013
Shares 2,210 Value ($000) $270 Avg Close $47.34 Range $43.59 - $51.55
Q2 2012
Shares 3,900 Value ($000) $204 Avg Close — Range —
Q2 2011
Shares 5,300 Value ($000) $275 Avg Close — Range —