LONDON (Dow Jones)--Standard Chartered PLC (STAN.LN) is planning a benchmark sized, euro-denominated 2015-dated bond, a bank working on the deal said Tuesday. JP Morgan Chase & Co, Societe Generale SA, Standard Chartered, and UBS AG are joint-lead bookrunners on the senior, unsecured deal. Standard Chartered is rated A3 by Moody's Investors Service, A by Standard & Poor's Corp. and A+ by Fitch Ratings. By Ainsley Thomson, Dow Jones Newswires; 44 20 7842 9318; [email protected] (END) Dow Jones Newswires June 22, 2010 05:51 ET (09:51 GMT)