Exalter Group has extended the collection of Pre-IPO applications until March 27. Company expects to raise ₽660 mln for 20% of the authorized capital. Investors will also receive a put option, which provides an opportunity to buy back shares at a yield of 50% of the key rate of the Bank of Russia. Raised funds will be used to launch and train Visible AD's proprietary platform, which will enable the company to scale its business in the online advertising market.