HNI Corp. today announced sales for the second quarter ended July 4 of $568.2 million, an increase of 12 percent from the year-ago period. Net income was $23.9 million, or 52 cents per diluted share. Non-GAAP net income per diluted share improved 35.9 percent from the prior year quarter to 53 cents, which excludes restructuring, impairment, transition costs and gain on sale of assets. “We are pleased with our results for the second quarter.  We delivered strong sales growth and significant earnings improvement, said Stan Askren, HNI Corp. chairman, president and CEO.