MIDSOUTH BANCORP, INC. AND SUBSIDIARIES	EXHIBIT 11
COMPUTATION OF EARNINGS PER SHARE (Unaudited)

	First Quarter		First Quarter
	March 31,		March 31,
	2005		2004
BASIC
Earnings:
Income applicable to common stock	$	1,923,423	$	1,660,948
Shares:
Weighted average number of common shares outstanding		4,440,994		3,980,421
Earnings per common share:
Income applicable to common stock	$	0.43	$	0.42
DILUTED
Earnings:
Net income	$	1,923,423	$	1,660,948
Weighted average number of common shares outstanding		4,440,994		3,980,421
Assuming exercise of options, reduced by the number of shares which could have been purchased with the proceeds from exercise of such options at the average issue price		179,940		187,270
Weighted average number of common shares outstanding, as adjusted		4,620,934		4,167,691
Fully diluted earnings per common share	$	0.42	$	0.40