WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

TEACHERS INSURANCE & ANNUITY ASSOCIATION OF AMERICA's Holding History (CIK: 0000315038)

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

Q4 2017

Shares 7,160 Value ($000) $762 Avg Close $81.78 Range $72.56 - $95.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	7,160	$762	$81.78	$72.56 - $95.02