UPDATE 1-Travelport Worldwide files for IPO of up to $100 mln

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June 4 (Reuters) - Airline ticketing company Travelport Worldwide Ltd, owned by private equity firm Blackstone Group LP , filed with U.S. regulators on Wednesday to raise up to $100 million in an initial public offering of common stock.

The Atlanta, Georgia-based company listed Morgan Stanley and UBS Securities as lead underwriters for the offering. (http://r.reuters.com/ted89v)

The filing did not reveal how many shares the company planned to sell or the exchange it planned to list on.

Travelport Worldwide, which has about a 37 percent stake in global online travel company Orbitz Worldwide Inc, intends to list its common stock under the symbol "TVPT".

The company called off its $1.78 billion London listing in 2010, citing poor market conditions. (http://link.reuters.com/fud89v)

Blackstone and Technology Crossover Ventures (TCV) bought Travelport for $4.3 billion from conglomerate Cendant in 2006.

Shares of Saber Corp, the airline ticketing technology provider that also owns online travel agency Travelocity, rose as much as 7 percent in their market debut in April.

The amount of money a company says it plans to raise in its first IPO filings is used to calculate registration fees. The final size of the IPO could be different.

(Reporting By Neha Dimri in Bangalore; Editing by Ted Kerr and Simon Jennings)