MidSouth Bancorp Inc. reported fourth-quarter net earnings of $1.3 million, or 12 cents per share, compared to $900,000, or 9 cents per share, for fourth-quarter 2011.

The fourth quarter of 2012 included 6 cents per share of after-tax, merger-related expenses, compared to 8 cents per share for fourth-quarter 2011.

For the year, net income totaled $8.1 million compared to $2.7 million for 2011.

Merger-related expenses totaled $1.2 million for 2012 versus $2.4 million for 2011.

On Dec. 28, MidSouth completed the merger with PSB Financial Corp., the holding company of Many-based Peoples State Bank, which operates 14 branches in north Louisiana and one branch in Texarkana, Texas.