The valuation of mortgage-backed securities has delayed the release of United Western Bancorp Inc.'s third-quarter results.

The $2.2 billion-asset Denver company said in a filing Wednesday with the Securities and Exchange Commission that it would be late in reporting its Sept. 30 results because it is in talks with the Office of Thrift Supervision and the Federal Deposit Insurance Corp. about its methodology for determining other-than-temporary impairments in mortgage-backed securities.

United Western said it expects to report a quarterly loss of $33 million to $40 million.

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