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Oromin Explorations Ltd.: Golouma West and Golouma South Gold Deposits Continue to Expand Laterally and to Depth
Ticker Symbol: C:OLE U:OLEPF


VANCOUVER, BRITISH COLUMBIA -- (MARKET WIRE) -- 09/07/07

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Oromin Explorations Ltd. (TSX VENTURE: OLE)(OTCBB: OLEPF) -

HIGHLIGHTS

- Golouma West step-out drilling intersects some of the deepest and thickest mineralization to date:

- 29 metres of 5.26 g/t gold from 283 metres in RC-113EXT

- 13 metres of 3.24 g/t gold from 199 metres and 21 metres of 6.99 g/t gold from 214 metres in RC-141

- Golouma South step-out drilling intersects some of the deepest mineralization to date:

- 14 metres of 7.06 g/t gold from 157 metres in RC-127

- 10 metres of 2.33 g/t gold from 185 metres in RC-06EXT

- Initial trenching at Korolo returns 3.22 g/t gold over 13 metres, and follow-up trenching at Maleko encounters multiple zones including 5.80 g/t gold over 3 metres and 6.21 g/t gold over 5 metres.

Oromin Explorations Ltd. ("Oromin") is pleased to provide additional results from the westernmost step-out and in-fill drilling at the Golouma West, Golouma South and Masato Gold Deposits. Results from additional trenching at the Dendifa and Maleko Discoveries, and initial trench results from the Korolo Discovery are also presented.

Oromin's 2007 exploration program is focused on resource delineation of Sabodala's numerous gold zones and deposits with more than 75,000 metres in 450 holes planned. The results from its ongoing property-wide exploration program continue to support Oromin's model of multiple gold deposits being located within the Sabodala Property. Please refer to the attached map and Oromin's previous news releases for additional information.

GOLOUMA WEST GOLD DEPOSIT

The Golouma West Gold Deposit has been traced over 1,000 metres on surface and to 300 metres at depth and remains open in all directions. Oromin is drilling this deposit on 40-metre centres using both RC and diamond core rigs. The majority of recent drilling has focused on the westernmost portion of the deposit where the E-W trending Golouma West mineralization has merged with the NE-SW trending Golouma Northwest mineralization. Trenching and step-out drilling indicates that both the E-W trending Golouma West and NE-SW trending Golouma Northwest mineralization trends continue to the west and north beyond the areas for which results are available.

Newly drilled mineralized intersections are listed in the attached schedule; the most significant of which are:

- 29 metres of 5.26 g/t gold from 283 metres in RC-113EXTENSION(i)

- 8 metres of 5.65 g/t gold from 69 metres in RC-122

- 13 metres of 3.86 g/t gold from 104 metres in RC-125

- 13 metres of 3.24 g/t gold from 199 metres and 21 metres of 6.99 g/t gold from 214 metres in RC-141

- 12 metres of 2.98 g/t gold from 216 metres in RC-144(ii)

(i) Hole RC-113EXT represents the deepest mineralized intersection to date at Golouma West.

(ii) Hole RC-144 is located on the westernmost section drilled to date at Golouma West.

GOLOUMA SOUTH GOLD DEPOSIT

The Golouma South Gold Deposit has now been traced over 650 metres on surface and to 160 metres depth and remains open in all directions. A recent excavator trench, TRX-178, located 125 metres northeast of the northernmost drilling on the deposit, intersected 2.89 g/t gold over 6 metres which may represent a northward extension of the Golouma South mineralization. Additional trenching is presently underway at this location.

Drilling, at 40-metre centres, is continuing at the Golouma South Deposit using both RC and diamond core rigs. Newly drilled mineralized intersections are listed in the attached schedule, the most significant of which are:

- 6 metres of 4.82 g/t gold from 107 metres in RC-03EXT

- 10 metres of 2.33 g/t gold from 185 metres in RC-06EXT

- 14 metres of 7.06 g/t gold from 157 metres in RC-127

- 5 metres of 6.91 g/t gold from 74 metres in RC-130

- 4 metres of 9.55 g/t gold from 18 metres in RC-133

- 12 metres of 4.84 g/t gold from 9 metres in RC-134

- 5 metres of 5.00 g/t gold from 123 metres in RC-140

MASATO GOLD DEPOSIT

The Masato Gold Deposit (which includes Masato North) is coincident with a large and strong gold-in-soil geochemical anomaly 2.6 kilometres in length by up to 1.2 kilometres in width and is located 1.2 kilometres due east of the 1.9 million ounce Sabodala Gold deposit owned by Mineral Deposits Ltd. ("MDL") that is being readied for production (see MDL August 16, 2007 news release). This large geochemical anomaly is also coincident with 3 parallel I.P. chargeability anomalies of which only the westernmost has been drilled to date.

Preliminary widely-spaced drilling to date, which has only partially tested a 1.4-kilometre strike extent of Masato, has returned previously released drill results of 15.11 g/t gold over 12 metres from DH-39, 2.44 g/t gold over 22 metres in DH-95 and 2.90 g/t gold over 14 metres in DH-112.

Newly drilled mineralized intersections are listed in the attached schedule; the most significant of which are:

- 3 metres of 14.32 g/t gold from 131 metres in DH-125

- 2 metres of 14.26 g/t gold from 148 metres in DH-126

- 7 metres of 3.32 g/t gold from 58 metres in DH-128

REGIONAL EXPLORATION

In addition to the extensive reverse circulation and core drilling programs, regional exploration continues at various geochemical and structural target areas throughout the Sabodala Property. Recent highlights include:

- Initial trenching at the Korolo target returned 3.22 g/t gold over 13 metres and 5.17 g/t gold over 3 metres in Trh-66 as well as 2.59 g/t gold over 5 metres in TRX-210.

- Follow-up trenching at the Maleko target, where initial trenching returned 4.41 g/t gold over 3 metres and 1.16 g/t gold over 7 metres in TRX-158, has encountered additional multiple zones of 5.80 g/t gold over 3 metres and 6.21 g/t gold over 5 metres in TRX-209.

- Initial trenching at the Dendifa target returned 1.59 g/t gold over 5 metres in TRX-200.

These three discovery areas, as well as Kinemba West, Sekoto, Maki Medina and Niakafiri are now ready for drilling.

Fieldwork was carried out under the supervision of Gerald McArthur, P. Geo., a "qualified person" for the purposes of National Instrument 43-101, who has also verified the data disclosed in this news release. TSL Laboratories in Saskatoon, Saskatchewan carried out all assaying under industry-standard QA/QC procedures.

To find out more about Oromin Explorations Ltd. visit www.oromin.com.

On behalf of the Board of Directors of OROMIN EXPLORATIONS LTD.

Chet Idziszek, President