Sue Ann Hamm stands in the courthouse hall before divorce proceedings with Harold Hamm, founder and CEO of Continental Resources, in Oklahoma City, Oklahoma September 22, 2014. Picture taken September 22, 2014.
Sue Ann Hamm stands in the courthouse hall before divorce proceedings with Harold Hamm, founder and CEO of Continental Resources, in Oklahoma City, Oklahoma September 22, 2014. Picture taken September 22, 2014. To match Exclusive CONTINENTAL-HAMM/HISTORY-ABRIDGED REUTERS/Steve Sisney (UNITED STATES - Tags: BUSINESS LAW ENERGY)
Sue Ann Hamm stands in the courthouse hall before divorce proceedings with Harold Hamm, founder and CEO of Continental Resources, in Oklahoma City, Oklahoma September 22, 2014. Picture taken September 22, 2014. To match Exclusive CONTINENTAL-HAMM/HISTORY-ABRIDGED REUTERS/Steve Sisney (UNITED STATES - Tags: BUSINESS LAW ENERGY)

Most estranged wives would probably accept a cheque for several millions from their rich husbands and agree to a divorce than stay in an unhappy marriage. But not Sue Ann Arnall, the ex-wife of Continental Resources Chief Executive Harold Hamm who rejected his $974.8 million cheque as divorce settlement - considered the biggest on record.

The reason behind her rejection is she "did not want to risk the dismissal of her appeal by acceptance of the benefits," according to Michael Burrage, counsel of her former husband, reports Business Insider.

While she has been awarded around $1 billion in cash and assets in the divorce judgment in November, Arnell believes the amount is not enough because Hamm would keep the bulk of the wealth estimated by her lawyers to have a value of up to $18 billion. The assets she was awarded include two homes and a ranch.

He had actually paid her over $20 million during the divorce proceedings. Hamm has appealed that the $1 billion award was too much that's why he lowered it by about $25 million. He explained that his wealth has significantly decreased due to the slump in oil prices. Hamm owns 68 percent of Continental Oil, pioneer of oil production in North Dakota.

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Their appeals are scheduled to be heard by the Oklahoma Supreme Court. The couple was married for 26 years.

To contact the writer, email: v.hernandez@ibtimes.com.au