GERON CORP

Ticker: GERN CUSIP: 374163103 Class: COM

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

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

Q2 2016

Shares 14,200 Value ($000) $38 Avg Close $2.91 Range $2.42 - $3.35

Q4 2015

Shares 50,100 Value ($000) $242 Avg Close $4.02 Range $2.60 - $5.30

Q3 2015

Shares 66,200 Value ($000) $183 Avg Close $3.62 Range $2.60 - $4.67

Q2 2015

Shares 66,200 Value ($000) $283 Avg Close $3.96 Range $3.52 - $4.47

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	14,200	$38	$2.91	$2.42 - $3.35
Q4 2015	50,100	$242	$4.02	$2.60 - $5.30
Q3 2015	66,200	$183	$3.62	$2.60 - $4.67
Q2 2015	66,200	$283	$3.96	$3.52 - $4.47