XENOPORT INC

CUSIP: 98411C100 Class: CMN

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

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

Q2 2016
Shares 35,000 Value ($000) $246 Avg Close — Range —
Q1 2016
Shares 35,000 Value ($000) $158 Avg Close — Range —
Q4 2015
Shares 35,000 Value ($000) $192 Avg Close — Range —
Q3 2015
Shares 50,000 Value ($000) $174 Avg Close — Range —
Q2 2015
Shares 30,700 Value ($000) $188 Avg Close — Range —
Q1 2015
Shares 30,700 Value ($000) $219 Avg Close — Range —
Q4 2014
Shares 40,600 Value ($000) $356 Avg Close — Range —
Q3 2014
Shares 40,600 Value ($000) $218 Avg Close — Range —
Q2 2014
Shares 40,600 Value ($000) $196 Avg Close — Range —
Q1 2014
Shares 81,500 Value ($000) $421 Avg Close — Range —
Q4 2013
Shares 81,500 Value ($000) $469 Avg Close — Range —
Q3 2013
Shares 4,434,612 Value ($000) $25,189 Avg Close — Range —
Q2 2013
Shares 6,013,511 Value ($000) $29,767 Avg Close — Range —