LEXICON PHARMACEUTICALS INC

CUSIP: 528872104 Class: CMN

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2015
Shares 85,800 Value ($000) $81 Avg Close — Range —
Q4 2014
Shares 6,073,590 Value ($000) $5,526 Avg Close — Range —
Q3 2014
Shares 6,146,590 Value ($000) $8,667 Avg Close — Range —
Q2 2014
Shares 6,124,090 Value ($000) $9,860 Avg Close — Range —
Q1 2014
Shares 6,454,690 Value ($000) $11,167 Avg Close — Range —
Q4 2013
Shares 6,482,290 Value ($000) $11,668 Avg Close — Range —
Q3 2013
Shares 13,832,046 Value ($000) $32,782 Avg Close — Range —
Q2 2013
Shares 14,420,326 Value ($000) $31,292 Avg Close — Range —