MERCANTILE BANK CORP

Ticker: MBWM CUSIP: 587376104 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2018

Shares 10,500 Value ($000) $350 Avg Close $26.41 Range $24.55 - $28.44

Q2 2018

Shares 10,500 Value ($000) $388 Avg Close $26.43 Range $24.25 - $28.08

Q1 2018

Shares 11,100 Value ($000) $369 Avg Close $25.60 Range $23.81 - $27.39

Q4 2017

Shares 11,143 Value ($000) $394 Avg Close $26.15 Range $24.52 - $27.67

Q3 2017

Shares 13,400 Value ($000) $468 Avg Close $22.92 Range $21.01 - $26.06

Q2 2017

Shares 15,300 Value ($000) $482 Avg Close $23.48 Range $21.84 - $25.88

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	10,500	$350	$26.41	$24.55 - $28.44
Q2 2018	10,500	$388	$26.43	$24.25 - $28.08
Q1 2018	11,100	$369	$25.60	$23.81 - $27.39
Q4 2017	11,143	$394	$26.15	$24.52 - $27.67
Q3 2017	13,400	$468	$22.92	$21.01 - $26.06
Q2 2017	15,300	$482	$23.48	$21.84 - $25.88