Boeing Co. (BA) reported its first-quarter profit fell 13% to $965 million , or $1.28 a share, from $1.11 billion , or $1.44 a share, a year earlier. Adjusted earnings per share rose to $1.76 from $1.73 in the same quarter a year earlier. Revenue rose to $20.47 billion , from $18.89 billion a year earlier, the aircraft maker said Wednesday. Analysts had expected adjusted earnings of $1.57 a share on revenue of $20.24 billion , according to FactSet. The firm attributed its rise in revenue to higher commercial volume. The company said it sees full-year adjusted earnings per share in a range between $7.15 and $7.35 . Shares in Boeing were up 2.5% in premarket trading.