UPDATE 1-Noble Group says reaches binding deal on crucial debt restructuring

(Adds detail on deal, background)

SINGAPORE, March 14 (Reuters) - Commodities trader Noble Group said it has finalized a binding agreement with a group of senior creditors holding 46 percent of its debt, and was in talks with others, on a restructuring deal crucial to its survival.

Noble said in a statement on Wednesday that its Restructuring Support Agreement (RSA) had been signed by creditors known as the Ad Hoc Group. Noble is also seeking support from its senior creditor, Deutsche Bank, and trade finance provider, ING Bank.

The trader said Deutsche Bank had signed the RSA, and ING Bank was in the process of seeking credit approval to sign it. Together, both represent a further 4 percent of Noble's claims.

Noble said the Ad Hoc Group was also in contact with other senior creditors who were holding an additional 15 percent of claims and had indicated their broad support for the deal.

Embattled Noble has been negotiating a $3.4 billion debt-for-equity swap, after selling billions of dollars of assets, taking hefty writedowns and cutting hundreds of jobs over the past three years. (Reporting by Anshuman Daga; Editing by Tom Hogue)