ZIONS BANCORPORATION N A

Ticker: ZION CUSIP: 989701107 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2018

Shares 39,875 Value ($000) $2,101 Avg Close $55.19 Range $50.84 - $59.19

Q1 2018

Shares 135,410 Value ($000) $7,140 Avg Close $53.82 Range $49.76 - $57.29

Q4 2017

Shares 114,460 Value ($000) $5,818 Avg Close $47.89 Range $43.50 - $52.20

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	39,875	$2,101	$55.19	$50.84 - $59.19
Q1 2018	135,410	$7,140	$53.82	$49.76 - $57.29
Q4 2017	114,460	$5,818	$47.89	$43.50 - $52.20