On January 25, 2012, ResMed Inc. entered into a first amendment to the existing credit agreement between the company, as borrower, and lenders, Union Bank, N.A.; HSBC Bank USA, National Association; Commonwealth Bank of Australia and Wells Fargo Bank, N.A. The amendment increases, from $300 million to $400 million, the maximum principal amount that can be borrowed on a revolving basis under the credit agreement, subject to customary conditions.