ATMI (Nasdaq: ATMI) reported earnings on April 24. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q1), ATMI met expectations on revenues and missed estimates on earnings per share.

Compared to the prior-year quarter, revenue grew. GAAP earnings per share grew significantly.

Gross margins dropped, operating margins expanded, net margins grew.

Revenue details
 ATMI tallied revenue of $99.4 million. The four analysts polled by S&P Capital IQ expected to see sales of $99.5 million on the same basis. GAAP reported sales were 7.4% higher than the prior-year quarter's $92.6 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $0.26. The four earnings estimates compiled by S&P Capital IQ averaged $0.30 per share. GAAP EPS of $0.26 for Q1 were 117% higher than the prior-year quarter's $0.12 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 47.0%, 120 basis points worse than the prior-year quarter. Operating margin was 10.4%, 330 basis points better than the prior-year quarter. Net margin was 8.5%, 430 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $107.2 million. On the bottom line, the average EPS estimate is $0.37.

Next year's average estimate for revenue is $432.8 million. The average EPS estimate is $1.50.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 77 members out of 85 rating the stock outperform, and eight members rating it underperform. Among 25 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 22 give ATMI a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on ATMI is hold, with an average price target of $22.75.

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