3rd May, 2012 – U.S. Oil & Gas Plc – Operations update

U.S. Oil & Gas Plc.

(“U.S. Oil” or the “Company”)

Operations Update

Major Oil International LLC, a wholly owned subsidiary of U.S. Oil & Gas plc (GXG: USOP), has completed the mobilization of
equipment in preparation for drilling its first exploration well, Eblana #1 in Hot Creek Valley, Nevada.

The first day of drilling is planned for Saturday 5th May.


For further information contact:

U.S. Oil & Gas plc

Brian McDonnell, Chief Executive Officer +353 (0) 872383419

Lionsgate Communications – Financial Public Relations

Jonathan Charles +44 (0)77791892509

[email protected]

Notes to Editors

U.S. Oil & Gas plc is a GXG quoted (Ticker: USOP) oil and gas exploration company with a strategy to identify and acquire
oil and gas assets in the early phase of the upstream life-cycle and mature them. The Company’s main asset is in
Nye County, Nevada where it holds the entire share capital of US-based company Major Oil International LLC (“Major Oil”).
Major Oil has acquired rights to exploration and development acreage in Hot
Creek Valley, Nye County, adjacent to the oil and gas rich Railroad Valley area of Nevada, both of which are part of the
Sevier Thrust of central Nevada and western Utah, USA.

U.S. Oil has completed extensive surveys of its Hot Creek lease area, generating 18 datasets using the following survey
methods: Gravity and Magnetic Resonance, Geochemical, 2-D Seismic, Landsat remote sensing, Geophysical studies,
Conodont Alteration Index (CAI), Pyrolysis (TOC), Vitronite Reflectance-Visual Kerogen (TAI), 2-D Passive Seismic (IPDS)
and 3-D Passive Seismic.

For further information please refer to our website at: www.usoil.us

U.S. Oil & Gas PLC