** Shares of frozen fries supplier Lamb Weston LW.N down ~13% at $51.43 premarket** Co maintains annual sales forecast again amid rising economic uncertainty
** Expects net sales to be in the range of $6.35 billion to $6.55 billion
** Co's fourth-quarter adjusted gross profit declined $15.6 million to $327.9 million owing to sequential decline in prices as well as higher costs from raw material and manufacturing
** Posts quarterly sales of $1.62 billion vs analysts' estimates of $1.59 billion, as per data compiled by LSEG** Up to last close, stock down nearly 11% YTD
(Reporting by Anuja Bharat Mistry in Bengaluru)
((AnujaBharat.Mistry@thomsonreuters.com))