TARA GOLD RESOURCES CORP. (PINKSHEETS: TRGD); PITCHSTONE EXPLORATION LTD. (PINKSHEETS: SXRZF); AMERIRESOURCE TECHNOLOGIES, INC. (OTCBB: AMRE); COLLEXIS HOLDINGS, INC. (OTCBB: CLXS)

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  TARA GOLD RESOURCES CORP. (PINKSHEETS: TRGD)
 
  Tara Gold Resources Corp.   closed at $.85 Wednesday, trading 55,588 shares.
 
  Company News- July 5,   2007: Lluvia de Oro Begins Production Operations
 
  Tara Gold Resources   Corp. announced that Columbia Metals Corp. Ltd., the operator of Lluvia de Oro   gold mine, has approved the start up of commercial operations. This   recommendation is consistent with the pre-feasibility report received in April   of this year.
 
  Columbia will seek to restart commercial production at the   Lluvia mine by implementing the first phase recommended in the pre-feasibility   study, namely crushing and releaching gold-bearing material on the existing   leach pad. This material consists mainly of oversized and incompletely leached   run-of-mine (ROM) boulders, which were placed on the pad during mining   operations in the 1990s. This is the first step towards a return to full-scale   production on the property.
 
  The Lluvia de Oro gold mine was in   production from March 1996 to June 1998. Leaching continued until the first   quarter of 1999. The plant and mine have been idle since the end of 1998, but   records indicate that an estimated total of 72,528 ounces of contained gold was   mined from the pit while total reported gold recovery was approximately 42,420   ounces. Of an estimated total 2,921,025 tonnes of ore that were placed on the   pad, only 570,900 tonnes were crushed, while the remaining 2,350,125 tonnes of   material were sent directly to the pad as run-of-mine material.
 
  About   Tara Gold Resources Corp. (PINKSHEETS: TRGD)
 
  Tara Gold Resources Corp.   is a growth-oriented precious metals exploration and development company with   existing production plants. It is management's objective to become a significant   gold and precious metals producer by re-initiating and increasing production   levels at La Currita, Lluvia de Oro and Picacho, and developing the San Miguel,   La Millionaria, Pilar De Mocoribo and Las Minitas projects in Mexico. We   continue to acquire other advanced-stage projects and/or producing mines in one   of the most prolific precious metal districts in the world. For more   information, please visit the Company's web site at:   http://www.TaraGoldResources.com.
 
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  PITCHSTONE   EXPLORATION LTD. (PINKSHEETS: SXRZF)
 
  Pitchstone Exploration Ltd. closed   at $12.10 Wednesday, trading 1,159,745 shares.
 
  Company News- July 5,   2007: Pitchstone Exploration Ltd.: Radioactivity Intersected at Candle
 
  Pitchstone Exploration Ltd. ("Pitchstone") announced that a zone of   radioactivity has been intersected in a drill hole on the Candle property in the   eastern Athabasca Basin. Candle is a joint venture between Pitchstone (operator;   37.5%), Uranium One Inc. (TSX:SXR) (37.5%) and JCU (Canada) Exploration Company,   Limited (25%).
 
  Diamond drill hole CD-14, collared at -81 degrees,   intersected the unconformity between Athabasca Group sandstone and basement   rocks at a down hole length of approximately 623 m. A 4.0 m zone of weak to   moderate radioactivity in altered pelitic gneiss, from 646.0 to 650.0 m,   averaged 1,200 counts per second (cps); background is less than 100 cps.   Radioactivity has been measured in CD-14 with a hand-held S.R.A.T. SPP2   scintillometer with readings taken every 10 cm through the radioactive interval.   Insufficient information is available to determine a true thickness.
 
  Samples are being shipped to SRC Geoanalytical Laboratories in Saskatoon   to confirm that radiation is due to uranium and to determine the uranium   content. Results will be reported as soon as they are received.
 
  Steve   Blower, P.Geo., Vice President of Exploration for Pitchstone, is the Qualified   Person for the purposes of NI 43-101 with respect to the technical information   in this news release.
 
  About Pitchstone Exploration Ltd. (PINKSHEETS:   SXRZF)
 
  Pitchstone is actively exploring for uranium in four proven   districts. The property portfolio features eight projects in the eastern   Athabasca Basin, Saskatchewan, five of which are joint ventured with Uranium One   Inc., with the other three being 100% owned. In addition, there are five joint   venture projects with Triex in the Hornby Bay Basin, Nunavut and NWT, an   exploration partnership with Cameco and Motapa Diamonds in the Franceville   Basin, Gabon, and an option on three projects in Namibia. Pitchstone has a   unique group of geologists with extensive uranium exploration and production   experience.
 
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  AMERIRESOURCE TECHNOLOGIES, INC. (OTCBB: AMRE)
 
  AmeriResource   Technologies, Inc. closed at $.0019 Wednesday, trading 14,718,947 shares.
 
  Company News- July 3, 2007: AmeriResource Subsidiary RoboServer Systems   Enters Into Manufacturing Agreement With Team Research, Inc. and Team Sable
 
  AmeriResource Technologies, Inc. announced that its subsidiary,   RoboServer Systems Corp., (PINKSHEETS: RBSY) developer of the revolutionary   Self-Serve System that enables quick-service restaurant customers to process   their own orders on a touch-screen kiosk, has entered into a manufacturing   agreement with Team Research, Inc. of San Jose, CA, and Team Sable of Shinchu,   Taiwan. Team Research is their North American counterpart for Taiwan-based,   Netronics Corporation.
 
  Delmar Janovec, RoboServer CEO, commented, "Under   the terms of the agreement, Team Sable will provide the custom design and   exclusive marketing rights to the RBSY newly announced "Assisted Server," the   newest and most cost-effective Self-Service POS solution in the industry. Team   Research will supply RoboServer with manufacturing, assembly, and test services   from its facilities in Taiwan; the products will then be shipped to the Team   Research facility in San Jose, CA for final testing and configure-to-order   services.
 
  RoboServer decided to go with Team Sable and Team Research for   two reasons: First, Team Research, through its parent company, Netronics, has   extensive experience in the manufacturing of Point of Sale and Touch screen   product platforms. Netronics has several first-class manufacturing facilities   around the world and will provide RoboServer assurances of having a source once   the move to Self-Service in restaurants takes hold. Secondly, Team Research and   Team Sable will provide units at very competitive pricing. This will allow   RoboServer to be able to reduce the pricing to its customers by approximately   30%. RoboServer customers will have more tangible features which will help   restaurants migrate their customers to Self-Service. This will result in the   restaurant being able to reduce labor costs, and provide new innovative   solutions for their customers.
 
  "We listened to our customer base and   realized that just providing a standing self-service unit in the corner would   not be the answer to all QSR ordering systems. In discussions with the managers,   and owners they informed RoboServer the restaurant needs a way to migrate the   customer to Self-Service gradually, by introducing a unit capable of facing the   customer and the counter helper and have it doing exactly the same thing at the   same time on both sides. This allows the customer to order for themselves, ask   for assistance or let the restaurant employee take the order," Janovec   concluded.
 
  About RoboServer Systems
 
  RoboServer Systems   (PINKSHEETS: RBSY) has developed Point of Sale and Self-Serve software   technology for the restaurant industry for more than three years. The Company's   key growth product suite is the RoboServer Self-Serve System and the LineBuster   CT-MY1 duel countertop model -- a software and hardware terminal that allows   quick-service restaurant customers to order and purchase their own food and   beverages, reducing the costly expense of employee services and reducing   customer order time. Similar technology has been proven and deployed in large   grocery and hardware chains throughout the United States because Self-Serve   technology reduces costs for businesses, and reduces ordering time for   customers. Self-Serve technology is an industry-changing technology that will   become significantly more prevalent in fast-food over the next few years.   Self-serve technology is a strong growth industry that can demonstrate an easily   quantifiable return on investment to client restaurants, even in soft economies.   More company information is available at http://www.RoboServerCorp.com.
 
  About AmeriResource Technologies, Inc. (OTCBB: AMRE)
 
  AmeriResource Technologies, Inc. is a diversified holding company with   headquarters in Las Vegas, Nevada. It operates RoboServer Systems Corp.,   (PINKSHEETS: RBSY), BizAuctions, Inc., (PINKSHEETS: BZCN), Net2Auction, Inc.,   (PINKSHEETS: NAUC), and AuctionWagon, Inc., as operating subsidiaries. For more   information on the Company and its operating subsidiaries, please see the   Company's website at http://www.ameriresourcetechnologies.com.
 
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  COLLEXIS   HOLDINGS, INC. (OTCBB: CLXS)
 
  Collexis Holdings, Inc. closed at $7.50   Wednesday, trading 13,532 shares.
 
  Company News- July 3, 2007: Collexis   Holdings, Inc. Announces OTC Listing - Stock to be Traded Under CLXS Symbol
 
  Leading developer of search and knowledge discovery software, Collexis   Holdings, Inc. announced that Collexis's shares of common stock are eligible for   trading on the OTC Bulletin Board. Its ticker symbol is CLXS.
 
  Bill   Kirkland, CEO Collexis Holdings Inc., said, 'As we continue to expand our global   operations, this listing signals the beginning of a new era of growth for   Collexis, coupled with new opportunities for investors to grow with us. We   believe this offering will enhance our visibility and provide greater access to   institutional and retail investors while we focus on profitably growing our   business.'
 
  Co-founder and Collexis B.V. CEO., Peter Van Praag, stated,   'It is truly exciting for me to see the company I founded seven years ago now   has a worldwide presence and has become a publicly traded company. As the US   operation is in full swing, we are looking forward to the future growth of   Collexis.'
 
  About Collexis Holdings, Inc. (OTCBB: CLXS)
 
  Collexis   Holdings, Inc., a global knowledge discovery company since 1999, is   headquartered in Columbia, South Carolina (USA) with two subsidiaries; Collexis   Inc. in Columbia, South Carolina, USA and Collexis, B.V. in Geldermalsen, The   Netherlands. Collexis patented technology builds conceptual profiles of text,   called Fingerprints, from documents, websites, e-mails and other digitized   content to create applications. The results are often described as 'finding   needles in many haystacks'. Through this novel approach, Collexis can build   unique applications to search, index, and aggregate information as well as   prioritize, trend and predict data based on sources in multiple fields, without   the limitations of language or dialect. The company's mission is to develop   software supporting knowledge retrieval and discovery across multiple   industries. For more information visit www.collexis.com.

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