KIEV, Sept. 23 – A1 Investment Company (Russia, part of Alfa Group) announced it is buying a 24.43% stake in Regal Petroleum plc, a British oil and gas company with assets in Ukraine.

"A1 announces the signing of a deal on the acquisition of 24.43% in Regal Petroleum, as well as a possible increase in the stake in the future. The seller of securities in the British oil and gas company with assets in Ukraine was CIS Natural Resources Fund (managed by Curzon Alternative Investments), [and] the buyer was a structure of A1 - Crosson Ltd. The sum of the transaction has not been disclosed," reads a statement.