Production Update

LENI GAS & OIL Plc

("LGO" or "The Company")

28 May, 2010

Production Update

Leni Gas & Oil plc (LSE AIM: LGO) is pleased to report that the operator of Eugene Island, Leed Petroleum Plc has announced today that the Eugene Island 183 A-7 well has been successfully recompleted to a shallower horizon and is currently producing at a gross rate of 802 boepd (33% gas).

LGO has a direct 7.25% interest in Eugene Island 183 A-7.

David Lenigas, The Company's Chairman stated:

"The recompletion of the A-7 well at Eugene Island is the start of an exciting programme designed to boost production over the Summer."

Competent Person's Statement:

The technical information contained in this announcement has been reviewed and approved by Fraser S Pritchard, Executive Director for Leni Gas & Oil Plc (member of the SPE) who has 20 years relevant experience in the oil industry.

Enquiries:

Leni Gas & Oil plc

David Lenigas, Executive Chairman

Tel +44 (0) 20 7016 5103

Beaumont Cornish Limited

Roland Cornish / Rosalind Hill Abrahams

Tel +44 (0) 20 7628 3396

Mirabaud Securities Limited

Rory Scott

Tel +44 (0) 20 7878 3360

Pelham PR

Mark Antelme / Henry Lerwill

Tel + 44 (0)20 7861 3232

NOTES TO EDITORS

Leni Gas & Oil Plc is an international oil and gas exploration, development and production company headquartered in London, trading on the London Stock Exchange's AIM index. The Company has assets in the US Gulf of Mexico and Lower 48, Spain, Trinidad and Malta. LGO's strategy is delivering growth through the acquisition of proven reserves and the enhancement of producing assets in low risk countries.

GLOSSARY

boe: barrels of oil equivalent calculated on the basis of six thousand cubic feet of gas equals one barrel of oil

boepd = boe per day