RIO TINTO PLC

Ticker: RIO CUSIP: 767204100 Class: COM

GRIFFIN ASSET MANAGEMENT, INC.'s Holding History (CIK: 0000883803)

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

Q4 2019
Shares 3,685 Value ($000) $219 Avg Close — Range —
Q2 2019
Shares 3,685 Value ($000) $230 Avg Close — Range —
Q1 2019
Shares 3,685 Value ($000) $217 Avg Close — Range —
Q4 2018
Shares 5,385 Value ($000) $261 Avg Close — Range —
Q3 2018
Shares 5,385 Value ($000) $275 Avg Close — Range —
Q2 2018
Shares 6,561 Value ($000) $364 Avg Close — Range —
Q1 2018
Shares 8,706 Value ($000) $449 Avg Close — Range —
Q4 2017
Shares 8,706 Value ($000) $461 Avg Close — Range —
Q3 2017
Shares 8,706 Value ($000) $411 Avg Close — Range —