BRIEF-AIG wants "double-digit" rate increases after U.S. catastrophes-call

Nov 3 (Reuters) - American International Group Inc

* Aims to achieve "double-digit rate increases on a risk-adjusted basis" - call

* Has "successfully begun to raise rates" after U.S. Hurricanes Harvey, Irma and Maria - CEO

* Will "reconstitute" Lexington insurance unit as "standalone operation and true surplus lines writer" - CEO

* Has created the AIG Risk Management unit (AIGRM) - CEO

* AIG CEO says company has more distinct business segments with "clear accountability"

* Early estimate of fourth quarter California wildfire losses is about $500 million pretax, largely in personal lines business - call

* Expects group and individual retirement net spreads to decline by 1 to 3 basis points per quarter - call

* Wants to "dampen" some earnings volatility through reinsurance - CEO

* May buy back shares again but will not reveal when or how - CEO

* Expenses are higher than peers and what market will bear, must be addressed - CEO Source text for Eikon: Further company coverage: (Reporting by Suzanne Barlyn)