MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

MAI Capital Management's Holding History (CIK: 0001040197)

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

Q4 2025

Shares 1,450 Value ($000) $50 Avg Close $32.90 Range $26.92 - $37.45

Q3 2025

Shares 1,439 Value ($000) $43 Avg Close $29.58 Range $26.13 - $33.52

Q2 2025

Shares 1,430 Value ($000) $43 Avg Close $27.24 Range $22.16 - $30.21

Q1 2025

Shares 1,419 Value ($000) $40 Avg Close $25.31 Range $23.25 - $29.04

Q4 2024

Shares 1,409 Value ($000) $40 Avg Close $28.61 Range $25.65 - $32.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,450	$50	$32.90	$26.92 - $37.45
Q3 2025	1,439	$43	$29.58	$26.13 - $33.52
Q2 2025	1,430	$43	$27.24	$22.16 - $30.21
Q1 2025	1,419	$40	$25.31	$23.25 - $29.04
Q4 2024	1,409	$40	$28.61	$25.65 - $32.65