Brazil mall company Aliansce plans $643.7 mln IPO

* Aliansce, shareholders may sell $643.7 mln of stock

* Funds to be used in takeovers, new mall developments

* BTG Pactual to manage Aliansce's IPO

SAO PAULO, Jan 14 (Reuters) - Brazilian shopping mall operator Aliansce Shopping Centers filed on Thursday to sell as much as 1.14 billion reais ($643.7 million) in an initial public offering, the company's second attempt to go public in about two years.

The company plans to sell 50 million shares in a primary offering at a price range of 10 reais to 13 reais, while two of its main shareholders will offer another 15 million shares in a secondary sale.

The offering might rise by 22.75 million shares if underwriters exercise their option to sell additional shares to meet demand. Aliansce expects its stock, listed under the "ALSC3" symbol, to begin trading on Jan. 29 at the Sao Paulo stock exchange.

Like rivals BRMalls (BRML3.SA), Iguatemi (IGTA3.SA) and other mall developers, Aliansce has benefited from a rebound in Brazil's economy, falling unemployment and record-low borrowing costs that have stoked consumer demand. The company is also taking advantage of a surge in local stocks and rising investors' demand for emerging market securities to sell shares.

Aliansce tried to go public in 2007, but Brazil's securities regulator suspended the IPO request because a company executive had provided information to the media that had not been included in the prospectus. It filed again at the end of September 2009 for the IPO and had since been waiting for final regulatory approval.

Aliansce hired BTG Pactual as lead underwriter of the offering, with ItauBBA, JPMorgan and Bradesco BBI also helping to manage the stock sale.

Aliansce plans to use 50 percent of proceeds from the primary offering to buy stakes in shopping malls, while 20 percent will be set aside to fund expansion in some of the 13 malls in its portfolio.

The remaining 30 percent of funds will be used to develop new shopping centers, including three projects that Aliansce has already started to look into.

The company is controlled by Brazilian businessman Armando Rique, U.S. mall owner General Growth Properties Inc GGWPQ.PK, which is in bankruptcy protection, and private equity fund Gavea, the hedge fund founded by former Brazilian central bank President Arminio Fraga.

Rique plans to sell part of his stake in Aliansce in the offering, cutting his holdings to 12.7 percent from 26.5 percent. GBPFIP, a fund managed by Gavea, may cut its stake in Aliansce to 1 percent from 22.54 percent, if all shares in the secondary offering are sold. ($1=1.771 reais) (Reporting by Elzio Barreto; editing by Stuart Grudgings and Dave Zimmerman)