Facebook had announced that the company has raised $1 billion after an agreement with Goldman Sachs valuing the social network in 50 billion dollars and set them among the most valuable companies in Silicon Valley.

In a statement, Facebook explained that California will add that amount to $500 million had been committed last December 2010 to invest their own investment bank and the Russian firm Digital Sky Technologies. This agreement will give benefit to both sides.

On Monday, Goldman Sachs reported that it had decided to exclude U.S. customers in its tender offer for shares of the Facebook network amounting to one thousand $500 million due to “intense media attention” has been the agreement.

The financial institution concluded that “this level of media attention may not be compatible with the proper execution of a U.S. private equity under U.S. law.”

Goldman Sachs received a barrage of requests to invest in Facebook, a company that is unlisted but seeks to raise funds to increase their financial capacity. In its statement, Facebook says that even before this round of funding and planned to exceed 500 shareholders at some point this year, something that needed to start doing business publish their accounts before April 30, 2012, as provided by legislation.