O.T. Mining Corporation

Ticker: OTMN CUSIP: 671061109 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q4 2014
Shares 15,980 Value ($000) $1 Avg Close $0.12 Range $0.05 - $0.20
Q3 2014
Shares 30,000 Value ($000) $2 Avg Close $0.13 Range $0.07 - $0.20
Q2 2014
Shares 30,000 Value ($000) $4 Avg Close $0.13 Range $0.05 - $0.37
Q1 2014
Shares 30,000 Value ($000) $4 Avg Close $0.15 Range $0.05 - $0.22
Q4 2013
Shares 30,000 Value ($000) $7 Avg Close $0.23 Range $0.04 - $0.28
Q3 2013
Shares 30,000 Value ($000) $6 Avg Close $0.20 Range $0.11 - $0.29
Q2 2013
Shares 30,000 Value ($000) $8 Avg Close $0.19 Range $0.07 - $0.79