April 20, 2010 – Denver, CO - Geovic Mining Corp. (“Geovic” or the “Company”, TSX:GMC, OTC.BB:GVCM), is pleased to
announce details of its Annual Stockholders’ meeting, to be held in Portland, Oregon, as well as a follow-up investor presentation
in Grand Junction, Colorado.

The Annual Stockholders’ Meeting will be held on Friday, June 11th at 10:00 a.m. at the Sheraton Airport Hotel, in Portland,
Oregon. The address for the hotel is 8235 Northeast Airport Way, Portland, Oregon, 97220. Attendance by both stockholders
and potential investors is welcomed.

Additionally, a follow-up investor presentation will be held on Wednesday, June 16th in Grand Junction, Colorado from 12:00 pm
to 2:00 pm at the Doubletree Hotel, 743 Horizon Drive, for persons unable to attend the Annual Meeting. Members of Geovic’s
senior management team will also be present at this meeting, and lunch will be served.

The record date for purposes of participation in the Annual Meeting is April 23, 2010. The Company intends to mail its “Notice
of Internet Availability of Proxy Materials” to all record and beneficial stockholders on or about May 3, 2010. Using a control
number that will be furnished to each stockholder on the Notice, each stockholder will be enabled to access the Company’s
Notice of Annual Meeting, Proxy Statement, and online Proxy voting at [record holders]
or [beneficial owners of shares held of record by an institution]. Proxy voting can then
be completed using the internet, telephone, or by requesting written materials, following the instructions given at those websites.

To RSVP for the Grand Junction investor presentation, interested persons should contact Charlene Shell at 970-256-9681 or via
email at

About Geovic

Geovic is a U.S.-based corporation whose principal asset is 60% ownership of a significant cobalt-nickel-manganese deposit in
the Republic of Cameroon, Africa. Additional Company initiatives and Project information may be found on the websites,, and For more information, please go to or contact:

Andrew C. Hoffman, CFA                 San Diego Torrey Hills Capital           Vanguard Shareholder Solutions
V.P., Investor Relations               Direct    (858) 456-7300                 Direct    (604) 608-0824
Geovic Mining Corp.                        Toll-Free (866) 801-0779
Direct     (720) 350-4130                                             
Toll-Free (888) 350-4130

On behalf of the Board
John E. Sherborne, CEO and Director

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