LONDON (Reuters) - British cigarette maker Imperial Tobacco (>> Imperial Tobacco Group PLC) has closed loans of about $13 billion (7.82 billion pounds) to back its acquisition of selected brands and assets from Reynolds American Inc (>> Reynolds American, Inc.), the lead banks said on Monday.

The jumbo financing covers the $7.1 billion acquisition and refinances Imperial's existing core bank borrowings, which provide working capital and funds for general corporate purposes.

Fourteen banks joined underwriters, mandated lead arrangers and bookrunners on the financing: BNP Paribas (>> BNP PARIBAS), Royal Bank of Scotland (>> Royal Bank of Scotland Group plc) and Banco Santander (>> Banco Santander, S.A.).

The deal closed oversubscribed and all the banks' commitments were scaled back.

Mandated lead arrangers joining the financing were BBVA (>> Banco Bilbao Vizcaya Argentaria S.A.), Bank of America Merrill Lynch (>> Bank of America Corp), Bank of China (>> Bank of China Limited), Barclays Bank (>> Barclays PLC), Commerzbank (>> Commerzbank AG), Credit Agricole CIB (>> CREDIT AGRICOLE), HSBC Bank (>> HSBC Holdings plc), Intesa Sanpaolo (>> Intesa Sanpaolo SpA), Mizuho Bank (>> Mizuho Financial Group, Inc.), Sumitomo Mitsui Banking Corp (>> Sumitomo Mitsui Financial Group, Inc.), Societe Generale (>> SOCIETE GENERALE), Bank of Tokyo-Mitsubishi UFJ and Unicredit Bank (>> UniCredit SpA). Wells Fargo (>> Wells Fargo & Co) was lead arranger.

The acquisition financing includes a $4.1 billion term loan with a one-year maturity and a one-year extension option; a $1.5 billion three-year term loan and a $1.5 billion five-year term loan.

The refinancing and working capital facilities include a 1 billion euro ($1.3 billion) revolving credit facility with a maturity of 18 months and three six-month extension options, and a 2.835 billion euro five-year revolving credit with two one-year extension options.

A 500 million pound five-year revolving credit with two one-year extension options is also included.

Imperial agreed to acquire a portfolio of U.S. cigarette brands, Winston, Maverick, Kool, Salem and U.S. and international e-cigarette brand blu from Reynolds, after Reynolds announced its merger with Lorillard.

Imperial will also take over Lorillard's national sales force, offices and production facilities.

BBB/Baa3 rated Imperial expects to maintain an investment grade credit rating on its debt after the acquisition.

Imperial has suspended a share buy-back programme of 500 million pounds a year to speed its debt repayment.

(Reporting by Alasdair Reilly; editing by David Clarke)

By Alasdair Reilly