EMC Insurance Group Inc. today reported operating income of $12.7 million, or 99 cents per share, for the fourth quarter ended Dec. 31, 2012. That's up significantly from the $8.1 million, or 63 cents per share, in the for the fourth quarter of 2011.

For the year, the company's operating income totaled $32.8 million ($2.54 per share), compared with an operating loss of $8,8 million (68 cents per share) for 2011.

Bruce G. Kelley, EMC's president and CEO, said, "Rate levels continued to increase on all lines of business throughout the year, while overall policy retention levels remained consistent with past experience." That, combined with a relatively flat loss cost trend, improved profitability.