BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/A CUSIP: 084670108 Class: CL A

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2018
Shares 33 Value ($000) $9,870 Avg Close $308211.47 Range $285250.00 - $326350.00
Q4 2017
Shares 43 Value ($000) $12,797 Avg Close $284799.47 Range $270250.00 - $301000.00
Q3 2017
Shares 43 Value ($000) $11,814 Avg Close $265381.90 Range $252254.00 - $275945.00
Q2 2017
Shares 43 Value ($000) $10,952 Avg Close $249666.89 Range $242180.00 - $257945.00
Q1 2017
Shares 43 Value ($000) $10,744 Avg Close $250864.50 Range $237984.00 - $266445.00
Q4 2016
Shares 43 Value ($000) $10,497 Avg Close $230816.08 Range $213030.00 - $250786.00
Q3 2016
Shares 43 Value ($000) $9,297 Avg Close $219349.66 Range $211500.00 - $226490.00
Q2 2016
Shares 43 Value ($000) $9,330 Avg Close $214456.19 Range $205074.00 - $221985.00
Q1 2016
Shares 33 Value ($000) $7,044 Avg Close $199512.94 Range $186900.00 - $215130.00
Q4 2015
Shares 48 Value ($000) $9,494 Avg Close $201277.39 Range $192200.00 - $207780.00
Q3 2015
Shares 16 Value ($000) $3,124 Avg Close $206031.66 Range $190007.00 - $217100.00
Q2 2015
Shares 66 Value ($000) $13,520 Avg Close $214536.25 Range $204800.00 - $223011.00
Q4 2014
Shares 124 Value ($000) $28,024 Avg Close $216493.73 Range $198000.00 - $229374.00
Q3 2014
Shares 124 Value ($000) $25,656 Avg Close $199815.62 Range $185005.00 - $213612.00
Q2 2014
Shares 124 Value ($000) $23,548 Avg Close $189817.56 Range $181785.00 - $194670.00
Q1 2014
Shares 124 Value ($000) $23,231 Avg Close $175515.22 Range $163038.00 - $188852.00