Welcome! Thank you for your question.
Unfortunately they are lost to you. If you are divorced from the deceased then the only way you would be entitled to his survivor benefits is if your divorce decree or agreement stated that you where to receive a portion of the account.
With that said, his children, or his named successor executor can be appointed to take over the role of executor. The appointed executor of his estate
would have authority to force Exxon to provide information on the account. Really the only person that has authority to force the release of information is the court appointed executor.
I cannot provide you with legal advise. I have provided you with information about the law related to your question. My answer, and any information that you find online, should not take the place of having a consultation with a lawyer in your area to advise you regarding your specific issues.
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