Nov. 2 (Bloomberg) -- UTS Energy Corp., the Calgary-based oil company that defeated Total SA’s hostile takeover attempt in April, climbed the most in nine months after agreeing to sell stakes in three oil-sands prospects to Exxon Mobil Corp.

UTS rose 6 cents, or 2.9 percent, to C$2.10 on the Toronto Stock Exchange, after earlier gaining 11 percent for the largest intraday increase since Total made its bid for the company on Jan. 27. UTS has been the second-best performing stock this year among Canadian oil and natural-gas producers.

Irving, Texas-based Exxon Mobil, the world’s biggest oil company, agreed to pay C$250 million ($232 million) for 50 percent stakes in leases east of Alberta’s Firebag River, UTS said today in a statement. The leases, which cover a combined area equal to half the size of Sacramento, California, are part- owned by Vancouver-based Teck Resources Ltd.

The deal represents about six hours of Exxon Mobil’s worldwide sales. UTS estimated after-tax proceeds from the sale of about C$200 million, which the company said the money will help finance its share of development costs in Suncor Energy Inc.’s C$25.3 billion Fort Hills tar-sands project and other prospects.

UTS rebuffed a C$830 million hostile takeover attempt by Total after a four-month contest that included a sweetened offer from the Paris-based oil company.

Today’s transaction with Exxon Mobil and the Irving, Texas- based company’s majority-owned Imperial Oil Ltd. ends UTS’s efforts to find alternative buyers for assets after Total made its initial bid in January, according to the statement.

Exxon Mobil rose 48 cents to $72.15 in composite trading on the New York Stock Exchange. Teck increased 19 cents to C$31.46 in Toronto.

The transaction is expected to close in the next month, according to the statement. RBC Capital Markets and TD Securities acted as financial advisers to UTS. The law firm Blake Cassels & Graydon LLP provided legal counsel.

To contact the reporter on this story: Joe Carroll in Chicago at jcarroll8@bloomberg.net

Last Updated: November 2, 2009 16:54 EST