HYPERION THERAPEUTICS INC

CUSIP: 44915N101 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2014
Shares 84,500 Value ($000) $2,028 Avg Close — Range —
Q3 2014
Shares 84,500 Value ($000) $2,131 Avg Close — Range —
Q2 2014
Shares 84,500 Value ($000) $2,205 Avg Close — Range —
Q1 2014
Shares 84,500 Value ($000) $2,180 Avg Close — Range —
Q4 2013
Shares 84,500 Value ($000) $1,709 Avg Close — Range —
Q3 2013
Shares 84,500 Value ($000) $2,208 Avg Close — Range —