HYPERION THERAPEUTICS INC

CUSIP: 44915N101 Class: COM

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q1 2015

Shares 43,100 Value ($000) $1,978 Avg Close — Range —

Q4 2014

Shares 35,900 Value ($000) $862 Avg Close — Range —

Q3 2014

Shares 12,500 Value ($000) $315 Avg Close — Range —

Q2 2014

Shares 12,500 Value ($000) $326 Avg Close — Range —

Q1 2014

Shares 12,600 Value ($000) $325 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	43,100	$1,978	—	—
Q4 2014	35,900	$862	—	—
Q3 2014	12,500	$315	—	—
Q2 2014	12,500	$326	—	—
Q1 2014	12,600	$325	—	—