* Intends to raise at least 300 mln euros
* Tele Columbus is Germany's third largest cable operator
* Says will use proceeds for comprehensive debt refinancing (Adds financial details, background)
FRANKFURT, Sept 30 (Reuters) - German cable operator TeleColumbus said it planned to raise at least 300million euros ($381 million) in a listing on the Frankfurt stockexchange by the end of the year.
The company, which is owned by several hedge funds andcredit funds following a financial restructuring, said it wouldsell new and existing shares in the initial public offering andwas aiming for Frankfurt's Prime Standard market.
The company is riding the coattails of successful listingsin Germany, where e-commerce companies Zalando and RocketInternet will start trading on Oct. 1 and Oct. 2, respectively.
Tele Columbus is Germany's third-largest cable company afterKabel Deutschland and Liberty Global's UnitymediaKabel BW and operates in eastern Germany.
It had 1.7 million subscribers and posted 48.8 million eurosin earnings before interest, tax, depreciation and amortisation(EBITDA) on sales of 107 million euros over the first six monthsof this year.
Tele Colombus said on Tuesday it would use the IPO proceedsfor a comprehensive refinancing of its debt, giving it morescope to invest for future growth.
Last year, Kabel Deutschland, now part of Vodafone,walked away from buying Tele Columbus for about 618 millioneuros after Germany's competition watchdog blocked the deal.
Goldman Sachs International and J.P.Morgan are acting as joint global coordinators, with BofA Merrill Lynch and Berenberg as joint bookrunners.(1 US dollar = 0.7878 euro) (Reporting by Harro ten Wolde; editing by Thomas Atkins andGeorgina Prodhan)