Aviva sets guidance on euro, stg bond -lead

LONDON, May 13 (Reuters) - UK insurer Aviva (AV.L: Quote, Profile, Research) has set guidance on each of the euro and sterling subordinated bond tranches it plans to sell as early as Tuesday, an official at one of the banks managing the sale said.

Guidance on the 30-year euro bond, callable after 10 years, has been set at mid-swaps plus 240 basis points to 250 basis points, the official said. The 50-year sterling tranche, callable after 30 years, will be priced to yield 250 basis points to 260 basis points over gilts.

Citigroup, Deutsche Bank and Morgan Stanley are managing the sale of the two-part bond. The bonds are expected to be rated A3 by Moody's Investors Service and A- by Standard & Poor's. (Reporting by Maya Thatcher)