TRINSEO SA

CUSIP: l9340p101 Class: COM

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

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

Q2 2021
Shares 18,000 Value ($000) $1,077 Avg Close — Range —
Q1 2021
Shares 18,000 Value ($000) $1,146 Avg Close — Range —
Q4 2020
Shares 18,000 Value ($000) $922 Avg Close — Range —