Japan’s Toshiba has selected four bidders including private equity firms Bain Capital, CVC Capital Partners and Brookfield Asset Management to proceed to a second bidding round, people briefed on the matter said.

Bain and Brookfield declined to comment. CVC, JIC and JIP could not be immediately reached for comment. Toshiba said it would not comment on details of the bidders.

KKR, Apollo Global Management, Blackstone, Baring Private Equity Asia, and MBK Partners had all expressed initial interest in Toshiba.

KKR decided not to lead a bid at this point, sources have told Reuters, as it was awaiting more clarity from the government and Toshiba’s management on whether a deal could realistically materialise.

Read more: Investing.com