ISHARES TR

Ticker: TLT CUSIP: 464287432 Class: 20 YR TR BD ETF

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

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

Q3 2019

Shares 15,236 Value ($000) $2,180 Avg Close — Range —

Q1 2019

Shares 5,769 Value ($000) $729 Avg Close — Range —

Q4 2018

Shares 4,699 Value ($000) $571 Avg Close — Range —

Q3 2018

Shares 2,719 Value ($000) $319 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	15,236	$2,180	—	—
Q1 2019	5,769	$729	—	—
Q4 2018	4,699	$571	—	—
Q3 2018	2,719	$319	—	—