UPDATE: Boardwalk Pipeline Posts In-Line Q1 Earnings

Boardwalk Pipeline Partners LP

reported a 12% rise in its first-quarter earnings. Boardwalk Pipeline's quarterly profit climbed to $92.6 million, or 43 cents a unit, versus $83 million, or 42 cents a unit, in the year –ago period. Its revenue rose 0.6% to $312.9 million. Analysts were expecting earnings of 43 cents per unit on revenue of $319 million. Its operating margin climbed to 42.7% from 42%. Boardwalk Pipeline shares closed at $27.49 on Friday.