The Rockefeller Group, which owns the office complex, is paying for the parties, but would not say how much they cost.
"We are participating in the future of the Rockefeller Group."
But the Rockefeller Group bought it in 1985 for $400 million.
"Rockefeller Group is in charge, and it is not appropriate for us to comment now," he said.
Rockefeller Group owns the two bankrupt partnerships that own the center.
The Japanese property company has now acquired 80 percent of the Rockefeller Group.
In 1994, the Rockefeller Group turned it into a parking lot.
Rockefeller Group is considering recapitalization plans, including a restructuring, to raise between $750 million and $1 billion.
The developer for that 800,000-square-foot project is the Rockefeller Group.
But that did not mean the end of the Rockefeller Group - it just moved a little to the west.