EchoStar Completes Exchange of 12 1/8eries B Preferred Stock and Announces Tender Offer to Purchase 12 1/8enior Exchange Notes Due 2004 Issued in Exchange Therefore LITTLETON, Colo.--(BUSINESS WIRE)--Jan. 4, 1999 --EchoStar Communications Corp. (NASDAQ: DISH, DISHP) announced today that it has