DIAMOND OFFSHORE DRILLING IN

CUSIP: 25271c102 Class: COM

New England Research & Management, Inc.'s Holding History (CIK: 0001596077)

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

Q4 2016
Shares 12,650 Value ($000) $224 Avg Close — Range —
Q3 2016
Shares 16,550 Value ($000) $291 Avg Close — Range —