MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q2 2015
Shares 1,950 Value ($000) $106 Avg Close — Range —
Q1 2015
Shares 1,950 Value ($000) $96 Avg Close — Range —
Q4 2014
Shares 1,950 Value ($000) $93 Avg Close — Range —