The interest rate at which U.S. banks will lend to their main corporate customers.

U.S. Prime Rate means the rate of interest announced by the Agent from time to time as its prime rate. Such rate is set by the Agent based on various factors, including its costs and desired return, general economic conditions, and other factors, and is used as a reference point for pricing some loans, which may be priced at, above, or below such rate. Any change in such rate announced by the Agent shall take effect at the opening of business on the day specified in the public announcement of such change.