In a separate statement, UBS said it intended to fulfill "all our commitments under the settlement agreements," including providing relevant account information to Swiss tax authorities.
Harran did not participate in the settlement.
UBS admitted no wrongdoing in the settlement.
The long-awaited letter "explains to Netanyahu the basis on which the peace process was built, and Israel's lack of commitment in terms of settlements," Nimr Hammad, an adviser to the Palestinian president, Mahmoud Abbas, told the Voice of Palestine radio on Wednesday.
Pollard's early release could be part of a deal that would include Israel's commitment to reduce settlement construction in the West Bank, as well as the release of hundreds of Palestinian prisoners.
There is a commitment to negotiate improvements in the dispute-settlement mechanism, the heart of the WTO's value as an international organization.
Since then Netanyahu has refused any public commitment to halting settlement building in the city.
Mr. Dayan and his wife, Eynat, moved to Maale Shomron in 1988, living for two years in a trailer, as required by the settlement to prove their commitment.
Instead, he shocked even the most hardened Middle East peace negotiators by swinging for the fence, demanding of Israel's prime minister, Benjamin Netanyahu, a firm commitment to rein in settlement construction in East Jerusalem.
In announcing the action on Tuesday, Mr. Almunia said Microsoft committed a serious breach of E.U. antitrust rules by not complying with commitments the company made in 2009 as part of the settlement.
