Maiden Holdings Ltd posted a net loss of $24.4 million for the second quarter, having turned a profit of $18.6 million a year previous.On June 24, 2011, Maiden completed a $107.5 million offering of 8.25 percent senior notes which mature on June 15, 2041. On July 15, 2011, Maiden redeemed a like amount of junior subordinated debt related to its 2009 TRUPS offering.As a result of these transactions, in the second quarter 2011 Maiden incurred certain non-recurring charges, including an early redemption charge of $15.1 million or 21 cents per share, as well as a non-cash charge of $20.3 million or $0.28 per share related to accelerated amortization of discount and issuance costs of junior subordinated debt redeemed on July 15, 2011.Net written premium totalled $437 million compared with $313.1 million in the second quarter of 2010. Net earned premium of $367.8 million increased 29.6 percent from $283.8 million for the same period last year.Net investment income of $19.8 million grew five percent from $18.9 million in the second quarter of 2010.Loss and loss adjustment expenses of $250.6 million rose $75.2 million from $175.4 million in the second quarter of 2010. The results reflected a loss ratio of 67.7 percent compared with 61.8 percent for the same period a year ago.At June 30, 2011, shareholders' equity of $759.3 million grew 1.2 percent from year-end 2010 and book value per share increased 1.2 percent to $10.52 from $10.40 at year-end 2010.