HOUSTON, May 11, 2005 – Swift Energy Company (NYSE: SFY) today announced that Douglas J. Lanier and Bruce H. Vincent were elected to serve three-year terms on Swift Energy Company’s Board of Directors at its annual meeting of shareholders held Tuesday, May 10, 2005. Deanna L. Cannon was also re-elected to serve as director for a full three-year term after having been elected to serve out the remainder of a term at last year’s shareholder’s meeting. Additional items that were also approved by Swift Energy shareholders at the meeting include the Swift Energy Company 2005 Stock Compensation Plan and the ratification of Ernst & Young, LLP as Swift Energy’s independent auditors.

Douglas J. Lanier recently retired as Vice President of ChevronTexaco Exploration & Production Company, Gulf of Mexico Business Unit. Mr. Lanier began his career with Gulf Oil Company and served in various positions until 1985, when he was appointed Operations Manager of Cabinda Gulf Oil Company (“CABGOC”). In 1988, he became General Manager–Operations of CABGOC. In 1989, Mr. Lanier was appointed Assistant General Manager–Production for Chevron USA Central Region in Houston and served in subsequent positions until he joined Chevron Petroleum Technology Company as President in 1997. In October of 2000, he was appointed Vice President of the Gulf of Mexico Shelf of the Southern Business Unit. Mr. Lanier holds a B.S. degree in petroleum engineering. He is a member of the Society of Petroleum Engineers and is a Texas registered professional engineer. Mr. Lanier was inducted into the University of Tulsa College of Engineering Hall of Fame in 2003.

Bruce H. Vincent was appointed President of Swift Energy Company in November 2004. He has previously served as Secretary of Swift Energy from August 2000 until May 2005. He also previously served the Company as Executive Vice President—Corporate Development from August 2000 to November 2004 and as Senior Vice President—Funds Management upon joining the Company in 1990 until August 2000. Mr. Vincent holds a Bachelor’s degree in Business Administration and a Master’s degree in Finance.

Swift Energy Company, founded in 1979 and headquartered in Houston, engages in developing, exploring, acquiring and operating oil and gas properties, with a focus on onshore and inland waters oil and natural gas reserves in Louisiana and Texas and oil and natural gas reserves in New Zealand. Over the Company’s 25-year history, Swift Energy has consistently shown long-term growth in its proved oil and gas reserves, production and cash flow through a disciplined program of acquisitions and drilling, while maintaining a strong financial position.