ZION OIL & GAS INC

Ticker: ZNOG CUSIP: 989696109 Class: com

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2019

Shares 81,575 Value ($000) $62 Avg Close $0.55 Range $0.39 - $1.20

Q4 2018

Shares 81,575 Value ($000) $34 Avg Close $0.86 Range $0.40 - $1.40

Q3 2018

Shares 81,575 Value ($000) $104 Avg Close $2.34 Range $0.85 - $4.26

Q2 2018

Shares 81,575 Value ($000) $331 Avg Close $3.92 Range $2.82 - $4.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	81,575	$62	$0.55	$0.39 - $1.20
Q4 2018	81,575	$34	$0.86	$0.40 - $1.40
Q3 2018	81,575	$104	$2.34	$0.85 - $4.26
Q2 2018	81,575	$331	$3.92	$2.82 - $4.90