BERKSHIRE HATHAWAY INC DEL

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

Graham Holdings Co Master Retirement Trust's Holding History (CIK: 0001912699)

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

Q2 2022

Shares 368,194 Value ($000) $100,524 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 368,194 Value ($000) $129,939 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 368,194 Value ($000) $110,090 Avg Close $286.41 Range $272.22 - $301.65

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	368,194	$100,524	$313.72	$263.68 - $354.58
Q1 2022	368,194	$129,939	$323.46	$294.81 - $362.10
Q4 2021	368,194	$110,090	$286.41	$272.22 - $301.65