CELANESE CORP DEL

Ticker: CE CUSIP: 150870103 Class: COM

ROSENBLUM SILVERMAN SUTTON S F INC /CA's Holding History (CIK: 0000918893)

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

Q1 2020

Shares 5,770 Value ($000) $423 Avg Close $88.59 Range $47.34 - $111.29

Q4 2019

Shares 5,828 Value ($000) $718 Avg Close $109.79 Range $102.35 - $115.13

Q3 2019

Shares 5,828 Value ($000) $713 Avg Close $99.99 Range $90.70 - $113.01

Q2 2019

Shares 17,642 Value ($000) $1,902 Avg Close $91.40 Range $83.73 - $100.05

Q1 2019

Shares 41,137 Value ($000) $4,057 Avg Close $86.22 Range $76.25 - $92.11

Q4 2018

Shares 55,626 Value ($000) $3,565 Avg Close $85.53 Range $72.47 - $100.55

Q3 2018

Shares 46,763 Value ($000) $5,331 Avg Close $99.54 Range $93.49 - $103.69

Q2 2018

Shares 46,305 Value ($000) $5,143 Avg Close $95.32 Range $82.17 - $102.42

Q1 2018

Shares 46,910 Value ($000) $4,701 Avg Close $90.60 Range $82.60 - $97.70

Q4 2017

Shares 48,010 Value ($000) $5,141 Avg Close $90.95 Range $86.93 - $94.02

Q3 2017

Shares 47,410 Value ($000) $4,943 Avg Close $83.73 Range $77.78 - $89.38

Q2 2017

Shares 46,955 Value ($000) $4,458 Avg Close $75.56 Range $70.77 - $82.35

Q1 2017

Shares 43,425 Value ($000) $3,902 Avg Close $73.64 Range $65.95 - $78.61

Q4 2016

Shares 9,570 Value ($000) $754 Avg Close $63.15 Range $52.76 - $71.49

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	5,770	$423	$88.59	$47.34 - $111.29
Q4 2019	5,828	$718	$109.79	$102.35 - $115.13
Q3 2019	5,828	$713	$99.99	$90.70 - $113.01
Q2 2019	17,642	$1,902	$91.40	$83.73 - $100.05
Q1 2019	41,137	$4,057	$86.22	$76.25 - $92.11
Q4 2018	55,626	$3,565	$85.53	$72.47 - $100.55
Q3 2018	46,763	$5,331	$99.54	$93.49 - $103.69
Q2 2018	46,305	$5,143	$95.32	$82.17 - $102.42
Q1 2018	46,910	$4,701	$90.60	$82.60 - $97.70
Q4 2017	48,010	$5,141	$90.95	$86.93 - $94.02
Q3 2017	47,410	$4,943	$83.73	$77.78 - $89.38
Q2 2017	46,955	$4,458	$75.56	$70.77 - $82.35
Q1 2017	43,425	$3,902	$73.64	$65.95 - $78.61
Q4 2016	9,570	$754	$63.15	$52.76 - $71.49