Item 103 of SEC Regulation S-K requires disclosure of certain environmental matters when a governmental authority is a party to the proceedings and such proceedings involve potential monetary sanctions that the Company reasonably believes will exceed a specified threshold. Pursuant to SEC amendments to this Item, the Company will be using a threshold of $1 million for such proceedings. For further details, refer to Note 5, Commitments and Contingencies, of this quarterly report on Form 10-Q. Also refer to Part I, Item 3, Legal Proceedings in CSX's most recent annual report on Form 10-K.