Arena Resources, Inc. — Oil and Gas Development

Arena Resources Schedules Conference Call on its 2008 First Quarter Financial and Operating Results
Tulsa, Oklahoma — May 1, 2008 — Arena Resources, Inc. (NYSE-ARD)(“Arena”)(“Company”) ”) has scheduled a conference call on Thursday May 8, 2008 at 12:00 p.m. EDT to discuss the 2008 first quarter financial and operating results. Arena expects to issue a press release summarizing these results the same morning.

To participate, dial 877-407-9205 at least five minutes before the call is to begin. Please reference the Arena Resources conference call. International callers may also participate by dialing 201-689-8054. A telephone replay will also be available for one week beginning two hours after the completion of the live call, and can be accessed by dialing 877-660-6853, or 201-612-7415 for international callers and entering access number 286 and conference id 283725 when prompted. The results will also be available via live and a 3 month archived webcast at http://www.vcall.com/IC/CEPage.asp?ID=129079

About Arena Resources, Inc.
Arena Resources, Inc. is an oil and gas exploration, development and production company with current operations in Texas, Oklahoma, Kansas and New Mexico.

This release contains forward-looking statements within the meaning of the "safe-harbor" provisions of the Private Securities Litigation Reform Act of 1995 that involve a wide variety of risks and uncertainties, including, without limitations, statements with respect to the Company's strategy and prospects. Readers and investors are cautioned that the Company's actual results may differ materially from those described in the forward-looking statements due to a number of factors, including, but not limited to, the Company's ability to acquire productive oil and/or gas properties or to successfully drill and complete oil and/or gas wells on such properties, general economic conditions both domestically and abroad, and the conduct of business by the Company, and other factors that may be more fully described in additional documents set forth by the Company.

For further information contact:
Bill Parsons
Vice President Investor Relations
480-947-1589
bparsons@arenaresourcesinc.com