MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

KEYBANK NATIONAL ASSOCIATION/OH's Holding History (CIK: 0001089877)

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

Q2 2016

Shares 6,484 Value ($000) $205 Avg Close $12.04 Range $11.75 - $12.54

Q1 2016

Shares 6,484 Value ($000) $204 Avg Close $12.32 Range $11.84 - $12.85

Q4 2015

Shares 6,484 Value ($000) $210 Avg Close $12.01 Range $10.15 - $12.99

Q2 2015

Shares 6,484 Value ($000) $204 Avg Close $11.86 Range $11.52 - $12.50

Q1 2015

Shares 6,484 Value ($000) $205 Avg Close $12.07 Range $11.48 - $12.59

Q4 2014

Shares 6,484 Value ($000) $224 Avg Close $12.01 Range $11.91 - $12.80

Q3 2014

Shares 6,484 Value ($000) $219 Avg Close $10.96 Range $10.16 - $12.87

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	6,484	$205	$12.04	$11.75 - $12.54
Q1 2016	6,484	$204	$12.32	$11.84 - $12.85
Q4 2015	6,484	$210	$12.01	$10.15 - $12.99
Q2 2015	6,484	$204	$11.86	$11.52 - $12.50
Q1 2015	6,484	$205	$12.07	$11.48 - $12.59
Q4 2014	6,484	$224	$12.01	$11.91 - $12.80
Q3 2014	6,484	$219	$10.96	$10.16 - $12.87