June 18 (Reuters) - Zabka Polska SA, Poland's largest convenience store

chain, is planning an initial public offering (IPO) that could value the company

at $7.5 billion to $8 billion, Bloomberg News reported on Tuesday, citing

sources familiar with the matter.

The IPO on the Warsaw market is expected as early as September and could

raise as much as $1.5 billion for private equity owner CVC Capital Partners

, the report said.

Goldman Sachs ( GS ) and JPMorgan ( JPM ) were reported to be leading

preparations for the share sale.

CVC Capital Partners and Zabka representatives did not respond immediately

to emailed requests for comment.