During its fiscal fourth quarter of 2019, WestRock reported sales of 4,651.6 million, up $415 million from 4Q 2018, primarily due to the acquisition of KapStone Paper and Packaging Corporation. Corrugated Packaging Segment EBITDA margin was 23.1% and North American Adjusted Segment EBITDA margin was 23.2%
Consumer Packaging segment EBITDA margin and adjusted segment EBITDA margin were 16.1%, an increase of 50 basis points and 100 basis points, respectively, compared to the prior year quarter, and net cash provided by operating activities was $911 million and adjusted operating cash flow of $942 million. Total debt declined by $475 million sequentially.
For full year 2019, the company had sales of $18,289 million, up from $16,285.1 million in 2018. Earned $3.33 per diluted share and $3.98 of adjusted earnings per diluted share compared to $7.34 and $4.09, respectively, in the prior year. WestRock generated net cash provided by operating activities of $2.31 billion and adjusted free cash flow of $1.04 billion, and reduced total debt by $757 million since Dec. 31, 2018.
Total debt was $10.06 billion at Sept. 30, 2019, or $9.83 billion excluding $228 million of unamortized fair market value step-up of debt acquired in mergers and acquisitions. Total debt in the fourth quarter of fiscal 2019 declined by $475 million sequentially.
“The WestRock team executed well and delivered strong financial results for both the fourth quarter and the fiscal year,” said CEO Steve Voorhees. “As we move forward into fiscal year 2020, we remain focused on organic growth, including partnering with our customers to develop fiber-based packaging solutions that help them meet their sustainability goals. With uncertain macro-economic conditions, we are acting to deliver on our productivity and cash flow generation goals.”