MAG SILVER CORP

CUSIP: 55903Q104 Class: COMMON STOCK-FO

TRUST CO OF OKLAHOMA's Holding History (CIK: 0001083323)

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

Q1 2018
Shares 15,000 Value ($000) $146,250 Avg Close — Range —
Q4 2017
Shares 20,000 Value ($000) $247,200 Avg Close — Range —