MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

Siena Capital Partners GP, LLC's Holding History (CIK: 0001694886)

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

Q3 2021

Shares 80,110 Value ($000) $1,909 Avg Close $20.62 Range $19.79 - $21.46

Q2 2021

Shares 130,110 Value ($000) $3,071 Avg Close $19.71 Range $17.63 - $22.47

Q1 2021

Shares 130,110 Value ($000) $2,727 Avg Close $19.06 Range $15.95 - $22.71

Q4 2020

Shares 130,110 Value ($000) $2,927 Avg Close $17.94 Range $15.95 - $20.42

Q3 2020

Shares 130,110 Value ($000) $2,511 Avg Close $15.58 Range $14.45 - $18.27

Q2 2020

Shares 130,110 Value ($000) $2,700 Avg Close $15.54 Range $12.67 - $19.38

Q1 2020

Shares 156,348 Value ($000) $2,472 Avg Close $18.83 Range $10.03 - $23.03

Q4 2019

Shares 206,348 Value ($000) $5,384 Avg Close $20.32 Range $18.69 - $23.92

Q3 2019

Shares 103,174 Value ($000) $4,828 Avg Close $18.55 Range $16.36 - $20.84

Q2 2019

Shares 103,174 Value ($000) $4,230 Avg Close $16.39 Range $15.81 - $17.68

Q1 2019

Shares 103,174 Value ($000) $4,252 Avg Close $17.33 Range $16.11 - $18.21

Q4 2018

Shares 99,174 Value ($000) $4,208 Avg Close $18.11 Range $15.59 - $19.49

Q3 2018

Shares 85,748 Value ($000) $4,039 Avg Close $19.82 Range $18.55 - $20.95

Q2 2018

Shares 84,956 Value ($000) $4,307 Avg Close $20.70 Range $19.11 - $21.85

Q1 2018

Shares 84,956 Value ($000) $4,171 Avg Close $19.42 Range $18.41 - $20.32

Q4 2017

Shares 75,000 Value ($000) $3,615 Avg Close $18.31 Range $16.88 - $19.97

Q3 2017

Shares 75,000 Value ($000) $3,458 Avg Close $17.96 Range $16.44 - $19.82

Q2 2017

Shares 75,000 Value ($000) $3,780 Avg Close $19.06 Range $16.94 - $21.22

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	80,110	$1,909	$20.62	$19.79 - $21.46
Q2 2021	130,110	$3,071	$19.71	$17.63 - $22.47
Q1 2021	130,110	$2,727	$19.06	$15.95 - $22.71
Q4 2020	130,110	$2,927	$17.94	$15.95 - $20.42
Q3 2020	130,110	$2,511	$15.58	$14.45 - $18.27
Q2 2020	130,110	$2,700	$15.54	$12.67 - $19.38
Q1 2020	156,348	$2,472	$18.83	$10.03 - $23.03
Q4 2019	206,348	$5,384	$20.32	$18.69 - $23.92
Q3 2019	103,174	$4,828	$18.55	$16.36 - $20.84
Q2 2019	103,174	$4,230	$16.39	$15.81 - $17.68
Q1 2019	103,174	$4,252	$17.33	$16.11 - $18.21
Q4 2018	99,174	$4,208	$18.11	$15.59 - $19.49
Q3 2018	85,748	$4,039	$19.82	$18.55 - $20.95
Q2 2018	84,956	$4,307	$20.70	$19.11 - $21.85
Q1 2018	84,956	$4,171	$19.42	$18.41 - $20.32
Q4 2017	75,000	$3,615	$18.31	$16.88 - $19.97
Q3 2017	75,000	$3,458	$17.96	$16.44 - $19.82
Q2 2017	75,000	$3,780	$19.06	$16.94 - $21.22