DYAX CORP

CUSIP: 26746E103 Class: CMN

Petrus Trust Company, LTA's Holding History (CIK: 0001473429)

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

Q1 2015
Shares 10,510 Value ($000) $176 Avg Close — Range —
Q4 2014
Shares 12,328 Value ($000) $173 Avg Close — Range —