Chief Financial Officer Eric Walter said consolidated adjusted EBITDA margin before allocations of non-controlling interests (NCI) was 4% , down from 11.4% in the year-ago quarter, but improved from “break even” in the fourth quarter. First-quarter SG&A expense was $24.6 million , or 18.1% of sales, compared with 17.8% of sales a year earlier and 20.7% in the fourth quarter. Walter said the sequential decline in SG&A as a percentage of sales “principally relates to the discrete AR charges at Dyna in the fou ...