BIRCHTECH CORP

CUSIP: 59833H101 Class: COMM

Associated Banc-Corp's Holding History (CIK: 0000007789)

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

Q3 2017
Shares 15,000 Value ($000) $5 Avg Close — Range —
Q2 2017
Shares 15,000 Value ($000) $6 Avg Close — Range —
Q1 2017
Shares 15,000 Value ($000) $17 Avg Close — Range —
Q4 2016
Shares 15,000 Value ($000) $20 Avg Close — Range —