National Instruments Corporation announced unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2011. For the quarter, the company reported total net sales were $278,051,000 against $249,963,000 for the same period a year earlier. Operating income was $32,502,000 against $46,619,000 for the same period a year earlier. Income before income taxes was $31,522,000 against $46,872,000 for the same period a year earlier. Net income was $24,327,000 or $0.20 diluted earnings per share against $38,028,000 or $0.32 diluted earnings per share for the same period a year earlier. Non-GAAP operating income was $44,304,000 against $52,231,000 for the same period a year earlier. Non-GAAP income before income taxes was $43,514,000 against $52,484,000 for the same period a year earlier. Non-GAAP net income was $32,474,000 or $0.27 Non-GAAP diluted earnings per share against $41,793,000 or $0.35 per share for the same period a year earlier. EBITDA was $45,394,000 against $56,184,000 for the same period a year earlier. EBITDA diluted EPS was $0.37 against $0.47 a year ago. Non-GAAP revenue was $279,963,000 against $249,963,000 for the same period a year earlier. For the year, the company reported total net sales were $1,024,173,000 against $873,220,000 for the same period a year earlier. Operating income was $112,712,000 against $128,313,000 for the same period a year earlier. Income before income taxes was $111,134,000 against $128,112,000 for the same period a year earlier. Net income was $94,072,000 or $0.78 diluted earnings per share against $109,116,000 or $0.92 diluted earnings per share for the same period a year earlier. Net cash provided by operating activities was $169,899,000 against $145,058,000 for the same period a year earlier. Capital expenditures were $54,830,000 against $28,397,000 for the same period a year earlier. Non-GAAP revenue was $1,042,010,000 against $873,220,000 for the same period a year earlier. Non-GAAP operating income was $163,987,000 against $150,995,000 for the same period a year earlier. Non-GAAP income before income taxes was $163,364,000 against $150,794,000 for the same period a year earlier. Non-GAAP net income was $130,209,000 or $1.07 diluted earnings per share against $124,625,000 or $1.05 per share for the same period a year earlier. EBITDA was $159,712,000 against $164,593,000 for the same period a year earlier. EBITDA diluted EPS was $1.32 against $1.39 a year ago. The company provided earnings guidance for the first quarter ending March 31, 2012. The company expects first quarter year-over-year revenue growth, with non-GAAP revenue expected to be between $250 million and $270 million. The company expects fully diluted GAAP EPS between $0.09 and $0.17, with non-GAAP fully diluted EPS expected to be between $0.16 and $0.24. In the first quarter 2012, the company anticipates that the GAAP to non-GAAP EPS adjustment will be approximately $0.07 per share.