no, it just spring ball, which sponsored by Stroimontage
Main Investors of Project is NIKoil (they plan to spend $300mln byself and using 70000 sq m of offices in future complex), Stroimontage (it is a construction company, they invest it his through Mirax City company) and Samsung (but I don't know in what status)
Mirax City have two versions of complex. Both provides high tower as 345,1 meters with three version of floors count - 75, 87 and 92. But one project providecontruction of small low tower 35 or 44 storeys (around 170 meters). Second project provide more taller second tower around 245 meters.
First project provides construction cost in $315mln, second in $500mln.
What project will be totaly approved we will see in april, when they complete preparation for foundation works and begin it.
As I know they more think about 44 and 92 floors project.
Here is first project, which provides 35 and 75 floors.