BRIEF-Ultra Electronics confirms discussions to buy Sparton Corp
* Confirm in advanced discussions to buy whole of issued share capital of New York Stock Exchange listed Sparton Corporation
Feb 21 Westlake Chemical Partners Lp
* Westlake Chemical Partners LP announces fourth quarter and full year 2016 earnings
* Q4 earnings per share $0.39
* Qtrly total net sales $293.94 million versus $248.51 million Source text for Eikon: Further company coverage:
LONDON, June 26 L1 Retail has agreed to buy Holland & Barrett from The Nature's Bounty Co. and The Carlyle Group for 1.77 billion pounds ($2.26 billion), the companies said in a statement.