** Shares of uniform retailer UniFirst UNF.N jump about 15% at $195.50 in early trading
** Cintas CTAS.O proposes to acquire UNF in a deal valued at $5.2 billion
** Says UNF shareholders to get $275 per share in an all-cash deal, representing 53% premium over the stock's closing price on December 12 when the offer was made
** Offer is CTAS's latest attempt to clinch a deal after two failed attempts in the past, as it seeks to expand scale and improve service efficiency
** "Cintas has undertaken substantial work on the regulatory front and remains confident that there is a clear path to obtaining the regulatory approvals," company says
** As of last close, UNF stock down marginally, while CTAS up ~3% YTD
(Reporting by Koyena Das from Bengaluru)
((Koyena.das@thomsonreuters.com))