CELANESE CORP DEL

Ticker: CE CUSIP: 150870103 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q2 2019

Shares 14,640 Value ($000) $1,578 Avg Close $91.40 Range $83.73 - $100.05

Q1 2019

Shares 14,708 Value ($000) $1,450 Avg Close $86.22 Range $76.25 - $92.11

Q4 2018

Shares 14,708 Value ($000) $1,323 Avg Close $85.53 Range $72.47 - $100.55

Q3 2018

Shares 14,708 Value ($000) $1,677 Avg Close $99.54 Range $93.49 - $103.69

Q2 2018

Shares 14,640 Value ($000) $1,626 Avg Close $95.32 Range $82.17 - $102.42

Q1 2018

Shares 14,640 Value ($000) $1,467 Avg Close $90.60 Range $82.60 - $97.70

Q4 2017

Shares 14,640 Value ($000) $1,568 Avg Close $90.95 Range $86.93 - $94.02

Q3 2017

Shares 14,640 Value ($000) $1,527 Avg Close $83.73 Range $77.78 - $89.38

Q2 2017

Shares 14,640 Value ($000) $1,390 Avg Close $75.56 Range $70.77 - $82.35

Q1 2017

Shares 14,640 Value ($000) $1,315 Avg Close $73.64 Range $65.95 - $78.61

Q4 2016

Shares 14,640 Value ($000) $1,153 Avg Close $63.15 Range $52.76 - $71.49

Q3 2016

Shares 14,640 Value ($000) $974 Avg Close $54.65 Range $50.72 - $59.26

Q2 2016

Shares 10,715 Value ($000) $701 Avg Close $57.77 Range $50.88 - $61.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	14,640	$1,578	$91.40	$83.73 - $100.05
Q1 2019	14,708	$1,450	$86.22	$76.25 - $92.11
Q4 2018	14,708	$1,323	$85.53	$72.47 - $100.55
Q3 2018	14,708	$1,677	$99.54	$93.49 - $103.69
Q2 2018	14,640	$1,626	$95.32	$82.17 - $102.42
Q1 2018	14,640	$1,467	$90.60	$82.60 - $97.70
Q4 2017	14,640	$1,568	$90.95	$86.93 - $94.02
Q3 2017	14,640	$1,527	$83.73	$77.78 - $89.38
Q2 2017	14,640	$1,390	$75.56	$70.77 - $82.35
Q1 2017	14,640	$1,315	$73.64	$65.95 - $78.61
Q4 2016	14,640	$1,153	$63.15	$52.76 - $71.49
Q3 2016	14,640	$974	$54.65	$50.72 - $59.26
Q2 2016	10,715	$701	$57.77	$50.88 - $61.75