Eagle Materials ( EXP), a cement and recycled paperboard producer, said its first-quarter earnings rose 69.3%, driven by strong performance from gypsum wallboard segment. The Dallas-based company earned $59.09 million, or $1.16 a share, in the quarter, compared with $34.91million, or 64 cents a share, a year ago. First-quarter earnings were in line with the company's latest guidance of $1.10 a share to $1.20 a share. Analysts surveyed by Thomson First Call were expecting earnings of $1.16 a share in the most recent quarter. First-quarter revenue rose 26.9% from a year-ago period to $259.97 million as against analysts' expectation of $276.70 million. The company expects to earn $1.30 a share to $1.40 a share in the second quarter and $4.40 a share to $4.70 a share for the full year. Analysts expect earnings of $1.32 a share in the second quarter and $4.68 a share for the full year. By segment, first-quarter revenue from gypsum wallboard segment jumped 40.9% from a year-ago period to $147.69 million. Revenue from cement segment rose 19.1% to $68.3 million and from paperboard segment it went up 2.1% to $19.49 million. Revenue from concrete and aggregates increased 5.6% to $23.67 million. Operating profit in the first quarter increased 75.4% to $95.8 million and operating margin rose 1,018 basis points to 36.8%. Operating profit from gypsum wallboard segment jumped 130% to $63.98 million.