Apco Argentina Declares Quarterly Dividend

TULSA, Okla., Dec. 5 /PRNewswire-FirstCall/ — The board of directors of
Apco Argentina Inc. has approved a regular quarterly dividend of 8.75 cents
per share on the company’s ordinary shares.

The dividend is payable on Jan. 20, 2009, to shareholders of record at the
close of business on Jan. 8, 2009.

About Apco (Nasdaq: APAGF)

Apco is an oil and gas exploration and production company with interests
in seven oil and gas concessions and two exploration permits in Argentina.

     Contact:    Kelly Swan
                 Williams (media relations)
                 (918) 573-4944

                 Thomas Bueno
                 Apco Argentina (investor relations)
                 (918) 573-2164

Portions of this document may constitute “forward-looking statements” as
defined by federal law. Although the company believes any such statements are
based on reasonable assumptions, there is no assurance that actual outcomes
will not be materially different. Any such statements are made in reliance on
the “safe harbor” protections provided under the Private Securities Reform Act
of 1995. Additional information about issues that could lead to material
changes in performance is contained in the company’s annual and quarterly
reports filed with the Securities and Exchange Commission.

SOURCE Apco Argentina Inc.