WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Mount Lucas Management LP's Holding History (CIK: 0001185072)

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

Q1 2023

Shares 4,123 Value ($000) $478 Avg Close $109.37 Range $92.83 - $119.59

Q4 2022

Shares 4,354 Value ($000) $446 Avg Close $95.20 Range $80.55 - $107.11

Q3 2022

Shares 4,514 Value ($000) $392 Avg Close $90.33 Range $76.70 - $104.08

Q2 2022

Shares 4,594 Value ($000) $450 Avg Close $115.03 Range $86.41 - $132.48

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	4,123	$478	$109.37	$92.83 - $119.59
Q4 2022	4,354	$446	$95.20	$80.55 - $107.11
Q3 2022	4,514	$392	$90.33	$76.70 - $104.08
Q2 2022	4,594	$450	$115.03	$86.41 - $132.48