REFILE-BRIEF-Sears,Sears roebuck acceptance and kmart entered third amended credit agreement

July 21 (Reuters) - Sears Holdings Corp : * Says co Sears roebuck acceptance and kmart entered into a third amended and restated credit agreement * Says the credit agreement amends and restates the company's existing asset-based credit facility * Credit agreement provides a $3.275 billion asset-based revolving credit facility, including a $1.0 billion letter of credit sub-facility * Maturity date for $1.971 billion of the revolving credit facility has been extended to July 20, 2020 * Credit