WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q4 2019

Shares 6,465 Value ($000) $454 Avg Close $60.78 Range $52.18 - $68.35

Q3 2019

Shares 7,747 Value ($000) $508 Avg Close $57.99 Range $50.43 - $64.27

Q2 2019

Shares 14,906 Value ($000) $1,035 Avg Close $59.69 Range $51.40 - $69.93

Q1 2019

Shares 22,085 Value ($000) $1,499 Avg Close $64.77 Range $57.75 - $72.34

Q4 2018

Shares 57,319 Value ($000) $3,793 Avg Close $64.35 Range $53.36 - $76.44

Q3 2018

Shares 49,517 Value ($000) $4,115 Avg Close $86.83 Range $72.82 - $100.10

Q2 2017

Shares 55,827 Value ($000) $3,696 Avg Close $55.73 Range $52.23 - $59.49

Q1 2017

Shares 61,264 Value ($000) $4,046 Avg Close $55.38 Range $49.25 - $59.68

Q4 2016

Shares 179,597 Value ($000) $10,056 Avg Close $47.64 Range $42.61 - $53.78

Q3 2016

Shares 90,906 Value ($000) $4,863 Avg Close $41.92 Range $34.93 - $47.03

Q2 2016

Shares 196,141 Value ($000) $8,418 Avg Close $39.55 Range $34.26 - $45.64

Q1 2016

Shares 225,929 Value ($000) $10,460 Avg Close $39.11 Range $34.33 - $46.52

Q4 2015

Shares 287,549 Value ($000) $15,620 Avg Close $49.75 Range $44.01 - $54.52

Q3 2015

Shares 247,481 Value ($000) $12,842 Avg Close $49.96 Range $42.26 - $59.13

Q2 2015

Shares 200,324 Value ($000) $13,740 Avg Close $62.10 Range $58.06 - $67.58

Q1 2015

Shares 146,374 Value ($000) $10,530 Avg Close $54.56 Range $46.07 - $62.01

Q4 2014

Shares 207,170 Value ($000) $12,656 Avg Close $57.80 Range $45.45 - $73.16

Q3 2014

Shares 185,384 Value ($000) $16,052 Avg Close $76.69 Range $70.51 - $83.52

Q2 2014

Shares 112,286 Value ($000) $9,405 Avg Close $63.36 Range $52.18 - $72.01

Q1 2014

Shares 100,728 Value ($000) $6,667 Avg Close $53.68 Range $48.11 - $58.70

Q4 2013

Shares 46,175 Value ($000) $5,637 Avg Close $47.34 Range $43.59 - $51.55

Q3 2013

Shares 43,400 Value ($000) $4,542 Avg Close $42.90 Range $40.28 - $45.40

Q2 2013

Shares 30,200 Value ($000) $2,912 Avg Close $37.72 Range $32.17 - $41.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	6,465	$454	$60.78	$52.18 - $68.35
Q3 2019	7,747	$508	$57.99	$50.43 - $64.27
Q2 2019	14,906	$1,035	$59.69	$51.40 - $69.93
Q1 2019	22,085	$1,499	$64.77	$57.75 - $72.34
Q4 2018	57,319	$3,793	$64.35	$53.36 - $76.44
Q3 2018	49,517	$4,115	$86.83	$72.82 - $100.10
Q2 2017	55,827	$3,696	$55.73	$52.23 - $59.49
Q1 2017	61,264	$4,046	$55.38	$49.25 - $59.68
Q4 2016	179,597	$10,056	$47.64	$42.61 - $53.78
Q3 2016	90,906	$4,863	$41.92	$34.93 - $47.03
Q2 2016	196,141	$8,418	$39.55	$34.26 - $45.64
Q1 2016	225,929	$10,460	$39.11	$34.33 - $46.52
Q4 2015	287,549	$15,620	$49.75	$44.01 - $54.52
Q3 2015	247,481	$12,842	$49.96	$42.26 - $59.13
Q2 2015	200,324	$13,740	$62.10	$58.06 - $67.58
Q1 2015	146,374	$10,530	$54.56	$46.07 - $62.01
Q4 2014	207,170	$12,656	$57.80	$45.45 - $73.16
Q3 2014	185,384	$16,052	$76.69	$70.51 - $83.52
Q2 2014	112,286	$9,405	$63.36	$52.18 - $72.01
Q1 2014	100,728	$6,667	$53.68	$48.11 - $58.70
Q4 2013	46,175	$5,637	$47.34	$43.59 - $51.55
Q3 2013	43,400	$4,542	$42.90	$40.28 - $45.40
Q2 2013	30,200	$2,912	$37.72	$32.17 - $41.82