FRONTIER COMMUNICATIONS CORP

CUSIP: 35906A207 Class: PFD CONV SER-A

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q4 2017
Shares 169,594 Value ($000) $1,835 Avg Close — Range —
Q3 2017
Shares 709,695 Value ($000) $13,655 Avg Close — Range —
Q2 2017
Shares 761,321 Value ($000) $22,413 Avg Close — Range —
Q1 2017
Shares 831,955 Value ($000) $40,982 Avg Close — Range —
Q4 2016
Shares 1,367,988 Value ($000) $97,236 Avg Close — Range —
Q3 2016
Shares 1,365,585 Value ($000) $114,586 Avg Close — Range —
Q2 2016
Shares 1,325,947 Value ($000) $125,727 Avg Close — Range —
Q1 2016
Shares 1,266,664 Value ($000) $132,240 Avg Close — Range —
Q4 2015
Shares 1,235,831 Value ($000) $113,178 Avg Close — Range —
Q3 2015
Shares 1,166,555 Value ($000) $108,665 Avg Close — Range —
Q2 2015
Shares 1,068,562 Value ($000) $106,749,344 Avg Close — Range —