RenaissanceRe Holdings Ltd. today reported net income available to RenaissanceRe common shareholders of $26.8 million or $0.60 per diluted common share in the second quarter of 2013, compared to $142.3 million or $2.75 per diluted common share in the second quarter of 2012.A press release stated that operating income available to RenaissanceRe common shareholders was $96.4 million, or $2.17 per diluted common share for the second quarter of 2013, compared to $111.5 million or $2.14, respectively, in the second quarter of 2012.The Company also reported an annualised return on average common equity of 3.4 percent and an annualised operating return on average common equity of 12.2 percent in the second quarter of 2013, compared to 17.5 percent and 13.7 percent, respectively, in the second quarter of 2012.Book value per common share increased $0.31, or 0.4 percent, in the second quarter of 2013 to $71.38, compared to a 3.8 percent increase in the second quarter of 2012. Tangible book value per common share plus accumulated dividends increased $0.59, or 0.8 percent, in the second quarter of 2013, compared to a 4.3 percent increase in the second quarter of 2012.Kevin J. O'Donnell, CEO, commented: "In the second quarter of 2013, we generated an annualised operating ROE of 12.2 percent and increased our tangible book value per share plus dividends by 0.8 percent, despite several notable catastrophe losses and a challenging investment environment."Mr. O'Donnell continued: "Although the expected decline in property catastrophe market pricing overall at June 1 accelerated, our team executed well in a rapidly changing market and I am pleased with our results from the recent renewal.“We focused on our strategy of meeting clients' needs and matching desirable risks with efficient capital, which enabled us to build an attractive portfolio of risks. We recently launched a new platform in the US to support the growth of our specialty reinsurance business. By expanding our footprint in the US, Asia and Lloyd's, we believe we will be able to leverage our core specialty and property catastrophe businesses over time, bringing new options for our clients in an evolving market."