OSLO, July 1 (Reuters) - The Nordic countries have signed long-term loan agreements with Icelandic central bank, Sedlabanki, with a total value of 1.775 billion euros ($2.50 billion), the Norwegian central bank said on Wednesday.

Norges Bank said its share of the loan amounted to 480 million euros.

'Today's signing of the agreements is a realisation of the Nordic countries' pledge to support Iceland,' Norges Bank said in a statement.

Norwegian authorities approved a long-term loan in November 2008 at the request of the Icelandic central bank, to support Iceland's economic stabilisation programme with the International Monetary Fund (IMF).

The loan from Norway has a maturity of 12 years with an interest-only period of five years, the bank said. It said disbursement of the loan will be in four equal tranches tied to the first four reviews of Iceland's IMF programme.

The same terms apply to all the Nordic loans, it said.

(Reporting by Oslo newsroom) ($1=.7107 Euro) Keywords: NORDIC ICELAND/

(aasachristine.stoltz@reuters.com; +47 22 93 69 02; Reuters messaging: rm://aasachristine.stoltz.reuters.com@reuters.net)

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