This excerpt taken from the LUX 6-K filed Mar 17, 2009.
Non-U.S. GAAP Measure: Free cash flow
(1) EBITDA is not a U.S. GAAP measure; please see table on page 17 for a reconciliation from operating income
(2) Equal interest income minus interest expenses
(3) Equal extraordinary income minus extraordinary expenses
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.