RIO TINTO PLC

Ticker: RIO CUSIP: 767204100 Class: COM

DELPHI MANAGEMENT INC /MA/'s Holding History (CIK: 0000767684)

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

Q1 2018
Shares 4,360 Value ($000) $225 Avg Close — Range —
Q4 2017
Shares 5,400 Value ($000) $286 Avg Close — Range —