DALLAS and CAESAREA, Israel, May 18, 2010 (GLOBE NEWSWIRE) -- Zion Oil & Gas, Inc. (Nasdaq:ZN) reported today that the Israeli Petroleum Commissioner has awarded the company a one-year extension on each of its petroleum exploration licenses, the Joseph License and the Asher-Menashe License.

Zion's "Asher-Menashe License" covers an area of approximately 78,824 acres located on the Israeli coastal plain and the Mt. Carmel range between Caesarea in the south and Haifa in the north. The Asher-Menashe License had an initial three-year term, from June 10, 2007 to June 9, 2010. On May 17, 2010, Zion received notification from the Israeli Petroleum Commissioner extending the term of the Asher-Menashe License until June 9, 2011.

Zion's "Joseph License" covers approximately 83,272 acres on the Israeli coastal plain south of the Asher-Menashe License between Caesarea in the north and Netanya in the south. The Joseph License had an initial three-year term, from October 11, 2007 to October 10, 2010. On April 22, 2010, Zion received notification from the Israeli Petroleum Commissioner extending the term of the Joseph License until October 10, 2011.

Richard Rinberg, Zion's Chief Executive Officer, commented that, "In 2010, we plan to drill a new well, the Ma'anit-Joseph #3 well, on our Joseph License and also acquire new field seismic on both our Asher-Menashe License and our Issachar-Zebulun Permit. We remain excited about the possibility of recovering hydrocarbons on our license and permit areas, onshore Israel, especially due to the U.S. Geological Survey report, published in April 2010, containing their assessment that there may be 1.7 billion barrels of recoverable undiscovered oil and 122 trillion cubic feet of recoverable gas in the Levant Basin, as all of Zion's exploration rights fall within the area of the Levant Basin."

Zion's common stock trades on the NASDAQ Global Market under the symbol "ZN" and Zion's warrants trade under the symbol "ZNWAW".

Zion Oil & Gas, a Delaware corporation, explores for oil and gas in Israel in areas located on-shore between Haifa and Tel Aviv. It currently holds two petroleum exploration licenses, the Joseph and the Asher-Menashe Licenses, between Netanya, in the south, and Haifa, in the north, covering a total of approximately 162,000 acres and the Issachar-Zebulun Permit Area, adjacent to and to the east of Zion's Asher-Menashe license area, covering approximately 165,000 acres. Zion's total petroleum exploration rights area is approximately 327,000 acres.

The Zion Oil & Gas, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=6850

FORWARD LOOKING STATEMENTS: Statements in this communication that are not historical fact, including statements regarding Zion's planned operations, geophysical and geological data and interpretation, anticipated attributes of geological strata being drilled, drilling efforts and locations, the presence or recoverability of hydrocarbons, sufficiency of cash reserves, ability to raise additional capital, the successful establishment of the drilling subsidiary and the negotiation and execution of definitive agreements with AME with respect thereto, timing and potential results thereof and plans contingent thereon are forward-looking statements as defined in the "Safe Harbor" provisions of the Private Securities Litigation Reform Act of 1995. These forward looking statements are based on assumptions that are subject to significant known and unknown risks, uncertainties and other unpredictable factors, many of which are described in Zion's periodic reports filed with the SEC and are beyond Zion's control. These risks could cause Zion's actual performance to differ materially from the results predicted by these forward-looking statements. Zion can give no assurance that the expectations reflected in these statements will prove to be correct and assumes no responsibility to update these statements.

NOTICE

Zion Oil & Gas, Inc. has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about Zion Oil & Gas and its offering. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, Zion Oil & Gas will send you the prospectus if you request it by calling toll free 1-888-TX1-ZION (1-888-891-9466).

Zion's homepage may be found at: www.zionoil.com

CONTACT: Zion Oil & Gas, Inc.         Mike Williams         214-221-4610         dallas@zionoil.com

Zion Oil & Gas Logo

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