MATTERSIGHT CORP

CUSIP: 577097108 Class: COM

B. Riley Financial, Inc.'s Holding History (CIK: 0001464790)

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

Q1 2018
Shares 50,000 Value ($000) $105 Avg Close — Range —
Q4 2017
Shares 75,000 Value ($000) $191 Avg Close — Range —
Q3 2017
Shares 49,203 Value ($000) $138 Avg Close — Range —