WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Legacy Private Trust Co.'s Holding History (CIK: 0001352547)

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

Q4 2014

Shares 3,810 Value ($000) $233 Avg Close $57.80 Range $45.45 - $73.16

Q3 2014

Shares 12,920 Value ($000) $1,119 Avg Close $76.69 Range $70.51 - $83.52

Q2 2014

Shares 18,230 Value ($000) $1,527 Avg Close $63.36 Range $52.18 - $72.01

Q1 2014

Shares 11,594 Value ($000) $767 Avg Close $53.68 Range $48.11 - $58.70

Q4 2013

Shares 8,012 Value ($000) $978 Avg Close $47.34 Range $43.59 - $51.55

Q3 2013

Shares 7,892 Value ($000) $826 Avg Close $42.90 Range $40.28 - $45.40

Q2 2013

Shares 3,895 Value ($000) $376 Avg Close $37.72 Range $32.17 - $41.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	3,810	$233	$57.80	$45.45 - $73.16
Q3 2014	12,920	$1,119	$76.69	$70.51 - $83.52
Q2 2014	18,230	$1,527	$63.36	$52.18 - $72.01
Q1 2014	11,594	$767	$53.68	$48.11 - $58.70
Q4 2013	8,012	$978	$47.34	$43.59 - $51.55
Q3 2013	7,892	$826	$42.90	$40.28 - $45.40
Q2 2013	3,895	$376	$37.72	$32.17 - $41.82