BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

IRIDIAN ASSET MANAGEMENT LLC/CT's Holding History (CIK: 0001033427)

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

Q1 2021

Shares 10,189 Value ($000) $2,603 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 10,189 Value ($000) $2,363 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 10,189 Value ($000) $2,170 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 10,189 Value ($000) $1,819 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 9,640 Value ($000) $1,762 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 8,309 Value ($000) $1,882 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 7,609 Value ($000) $1,583 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 5,009 Value ($000) $1,068 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 5,009 Value ($000) $1,006 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 4,658 Value ($000) $951 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 4,000 Value ($000) $856 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 4,000 Value ($000) $747 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 4,000 Value ($000) $798 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 4,000 Value ($000) $793 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 4,000 Value ($000) $733 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 4,000 Value ($000) $677 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 4,000 Value ($000) $667 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 4,000 Value ($000) $652 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 4,000 Value ($000) $578 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 4,000 Value ($000) $579 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 4,000 Value ($000) $568 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 4,000 Value ($000) $528 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 4,000 Value ($000) $522 Avg Close $137.00 Range $125.50 - $144.69

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	10,189	$2,603	$242.84	$226.10 - $267.50
Q4 2020	10,189	$2,363	$220.20	$197.81 - $234.99
Q3 2020	10,189	$2,170	$204.56	$177.34 - $223.24
Q2 2020	10,189	$1,819	$182.62	$167.04 - $203.33
Q1 2020	9,640	$1,762	$212.55	$159.50 - $231.61
Q4 2019	8,309	$1,882	$217.17	$201.33 - $228.23
Q3 2019	7,609	$1,583	$206.04	$195.40 - $216.58
Q2 2019	5,009	$1,068	$206.92	$196.89 - $219.16
Q1 2019	5,009	$1,006	$201.85	$191.04 - $209.40
Q4 2018	4,658	$951	$208.87	$186.10 - $224.07
Q3 2018	4,000	$856	$205.18	$185.72 - $223.00
Q2 2018	4,000	$747	$194.92	$184.75 - $202.77
Q1 2018	4,000	$798	$205.34	$189.30 - $217.62
Q4 2017	4,000	$793	$189.88	$180.44 - $200.50
Q3 2017	4,000	$733	$176.72	$168.00 - $184.00
Q2 2017	4,000	$677	$166.33	$160.93 - $171.95
Q1 2017	4,000	$667	$167.31	$158.61 - $177.86
Q4 2016	4,000	$652	$153.96	$141.92 - $167.25
Q3 2016	4,000	$578	$146.25	$140.95 - $151.05
Q2 2016	4,000	$579	$142.96	$136.65 - $148.03
Q1 2016	4,000	$568	$132.58	$123.55 - $143.40
Q4 2015	4,000	$528	$134.20	$127.46 - $138.62
Q3 2015	4,000	$522	$137.00	$125.50 - $144.69