Zion Oil & Gas Now Accepts Direct Stock Purchase Plan Electronic Payments

Zion Oil & Gas Now Accepts Direct Stock Purchase Plan Electronic Payments

DALLAS and CAESAREA, Israel, Sept. 10, 2013 (GLOBE NEWSWIRE) -- Zion Oil &
Gas, Inc. ("Zion") (Nasdaq:ZN) announced today, in connection with their
Direct Stock Purchase Plan (the "DSPP" or "Plan") and Unit Offering, that they
now accept electronic payments through Telecheck Internet Check Acceptance
Service. Zion is the first company to offer electronic enrollment and
electronic payment for stock purchases directly online.

On August 26, 2013, Zion announced in a press release the extension of their
Unit Offering's expiration date to November 29, 2013, partly so that investors
can use this easy, one of a kind, simple way to invest.

Investors can now fill out the DSPP Enrollment Form and pay for their
investment electronically via Zion's website, www.zionoil.com/dspp. Investors
can fill out a DSPP enrollment form, sign the form electronically, and
continue to the payment screen where they can verify the enrollment form
information and enter their specific banking information, all in an embedded
and encrypted format. The submitted payment information is routed to our
merchant, First Data/CitiBank, for processing through Tempus, our payment
gateway provider. The gateway provider is an e-commerce service provider that
authorizes payments and encrypts sensitive information to ensure that
information is passed securely between the Zion website and First
Data/CitiBank.

TeleCheck Internet Check Acceptance Service and Tempus Technologies Payment
Portal API provide the check security safeguards that follow the PCI DSS
guidelines for secure payment processing.

Zion's common stock trades on the NASDAQ Global Market under the symbol "ZN"
and Zion's warrants are expected to trade under the reserved symbol "ZNWOW".

This announcement is neither an offer nor a solicitation of an offer. The
securities are offered by prospectus only, and only within the States and
other jurisdictions in which the securities may be sold, and this announcement
is neither an offer to sell nor a solicitation of any offer to buy in any
State or jurisdiction in which such offer, solicitation or sale would be
unlawful prior to the registration or qualification under the securities of
any such state or jurisdiction. The DSPP was filed by Prospectus Supplement
(File No. 333-174266).

Zion Oil & Gas, a Delaware corporation, explores for oil and gas onshore in
Israel and holds three petroleum exploration licenses, comprised of the
Asher-Menashe License (covering approximately 79,000 acres), the Joseph
License (covering approximately 83,000 acres), and the Jordan Valley License
(covering approximately 56,000 acres). Collectively, our three license areas
cover approximately 218,000 acres. The Company has filed application for the
Megiddo-Jezreel Valley License (covering approximately 98,000 acres), which
borders the Jordan Valley License area.

NOTICE

Zion Oil & Gas, Inc. filed a Prospectus Supplement on March 27, 2013 to its
Prospectus dated May 26, 2011 with the SEC for the Dividend Reinvestment and
Common Stock Purchase Plan to which this communication relates. On August 26,
2013, Zion filed Amendment No. 1 to the Prospectus Supplement, extending the
unit program for approximately 90 days. 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 without charge 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.
         Brittany Martin, 214-221-4610
         info@zionoil.com

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