Paul Carpino
Analyst · Citigroup
Thank you. Good afternoon, and thank you for joining us on Celestica's fourth quarter 2017 earnings conference call. On the call today are: Rob Mionis, President and Chief Executive Officer; and Mandeep Chawla, Chief Financial Officer. This conference call will last approximately 60 minutes. Rob and Mandeep will provide some comments on the quarter, and then we will open the call for questions. [Operator Instructions] Please visit www.celestica.com to view the supporting slides accompanying this webcast.
As a reminder, during this call, we will make forward-looking statements within the meanings of the U.S. Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws, including those related to: Our strategies and plans for future growth; priorities, trends in our industry and end markets; our anticipated financial and operational results and performance; non-IFRS operating margin goals and financial guidance. Such forward-looking statements are based on management's current expectations, forecasts and assumptions, which are subject to risks, uncertainties and other factors that could cause actual outcomes and results to differ materially from conclusions, forecasts or projections expressed in such statements. For identification and discussion of such factors and the material assumptions on which such forward-looking statements are based, as well as further information concerning financial guidance, please refer to the company's various public filings, including our most recent MD&A and annual report on Form 20-F, including the Risk Factors section therein, filed with and in reports on Forms 6-K furnished to the U.S. Securities and Exchange Commission and, as applicable, the Canadian Securities Administrators. Please also refer to our cautionary statements regarding forward-looking information in such filings and in today's press release. Our public filings can be accessed at sec.gov and sedar.com. We assume no obligation to update any forward-looking statements except as required by law.
During this call, we will also refer to certain non-IFRS financial measures, which include: Adjusted gross margin; adjusted SG&A; non-IFRS operating earnings; non-IFRS operating margin, which is non-IFRS operating earnings as a percentage of revenue; adjusted net earnings and adjusted EPS; free cash flow; adjusted effective tax rate; inventory turns; and cash cycle days. Other non-IFRS financial measures that we will refer to are: return on invested capital, or ROIC, which for all purposes of this call means adjusted ROIC; and adjusted tax rate which, for all purposes of this call, means adjusted effective tax rate. These non-IFRS measures do not have any standardized meaning under IFRS and may not be comparable with other non-U.S. GAAP or non-IFRS financial measures presented by other issuers.
We refer you to today's press release, which is available at celestica.com, under the Investor Relations tab, for more information about these and certain other non-IFRS measures, including a reconciliation of historical non-IFRS measures to the most directly comparable IFRS measures from our financial statements. Unless otherwise specified, all reference to dollars on this call are to U.S. dollars. I will now turn the call over to Rob.