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SM Energy Appoints David W. Copeland Executive Vice President and John Monark Senior Vice President

  SM Energy Appoints David W. Copeland Executive Vice President and John
  Monark Senior Vice President

Business Wire

DENVER -- April 4, 2013

SM Energy Company (NYSE: SM) announces that its Board of Directors has
appointed David W. Copeland, who has been with the Company since January 2011,
as its Executive Vice President and John Monark, who has been with the Company
since May 2008, as its Senior Vice President – Human Resources. Mr. Copeland
will continue to serve as the Company’s General Counsel and Corporate
Secretary.

Tony Best, CEO of SM Energy, said, “David and John have both made many
important contributions to our success at SM Energy as members of our senior
executive team, and each of their promotions are well deserved. I look forward
to our continued working relationships as we proceed with our plans for growth
and future success.”

ABOUT THE COMPANY

SM Energy Company is an independent energy company engaged in the acquisition,
exploration, development, and production of crude oil, natural gas, and
natural gas liquids in onshore North America. SMEnergy routinely posts
important information about the Company on its website. For more information
about SM Energy, please visit its website at www.sm-energy.com.

Contact:

SM Energy Company
James R. Edwards, 303-837-2444