ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

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

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

Q3 2018

Shares 59,700 Value ($000) $994 Avg Close — Range —

Q2 2018

Shares 69,800 Value ($000) $1,103 Avg Close — Range —

Q1 2018

Shares 123,200 Value ($000) $1,565 Avg Close — Range —

Q4 2017

Shares 149,900 Value ($000) $1,716 Avg Close — Range —

Q3 2017

Shares 165,300 Value ($000) $2,025 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	59,700	$994	—	—
Q2 2018	69,800	$1,103	—	—
Q1 2018	123,200	$1,565	—	—
Q4 2017	149,900	$1,716	—	—
Q3 2017	165,300	$2,025	—	—