DYAX CORP

CUSIP: 26746E103 Class: CMN

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q3 2013
Shares 15,000 Value ($000) $103 Avg Close — Range —
Q2 2013
Shares 15,000 Value ($000) $52 Avg Close — Range —