MOSCOW, June 14 (Reuters) - Russian gas giant Gazprom and oil major Shell will sign a deal on aplanned Baltic liquefied natural gas (LNG) project on thesidelines of a forum in St. Petersburg later this week, Kremlinaide Yuri Ushakov told reporters on Tuesday.
He said the deal will be signed in the presence of RussianPresident Vladimir Putin, who will meet Shell's Chief ExecutiveBen van Beurden at the forum.
Gazprom plans to build the plant, which may produce up to 20million tonnes of LNG per year, by December 2021.
Russian daily Kommersant has reported that Shell would liketo acquire 25-35 percent in the project. Ushakov did notelaborate on what the deal would involve. (Reporting by Denis Dyomkin; writing by Vladimir Soldatkin;Editing by Christian Lowe)