InvestorIdeas.com Online Investor Mining Conference to Provide Insight Into Trends in Gold, Silver, Copper, Diamond, Metals & Other Mining Opportunities

POINT ROBERTS, WA and DELTA, BC--(CCNMatthews - March 28, 2007) - www.InvestorIdeas.com, and mining portals www.Gold-MiningStocks.com, www.MiningSectorStocks.com, add Christopher James Gold Corp. (TSX-V: CJG), Diamonds North Resources (TSX-V: DDN), Oriental Minerals Inc. (TSX-V: OTL), and Macarthur Minerals Ltd (TSX-V: MMS) to the growing list of public companies presenting in the upcoming April 18th online investor mining conference. The conference list of presenters currently features six well-known and respected industry speakers and 17 public companies covering a diverse spectrum of the mining industry. The conference theme "Mining and Resources: Perspectives on gold, silver, copper, diamond, uranium, metals and other key mining segments" will be discussed by well-known industry experts, as well as several presenting public companies. The format will feature audio and Power Point of Flash presentations, averaging 15-20 minutes in length for each speaker. The online audio conference will be made live April 18th and archived for a minimum of three months thereafter. "Our one-day online investor conference provides investors with in-depth free research in a user friendly audio format that can be accessed online at the user's convenience once the conference is live. This makes it a valuable long term information tool for both investors and participants," states Ann-Marie Fleming, Business Development. Recent Additions Include: Christopher James Gold Corp. (TSX-V: CJG), a Canadian mineral exploration company that holds interests in a large portfolio of gold projects in British Columbia, Nevada, and Mexico. Most notably, it has the exclusive option to acquire 100% of Guardsmen Resources Inc., a private company that owns a number of highly prospective properties in the Toodoggone mining district in north-central British Columbia, including the high-grade Ranch gold project. www.christopherjamesgold.com Diamonds North Resources (TSX-V: DDN) is on the verge of discovering Canada's next diamond mine. Over the past four years the Company has evaluated over 300 million acres of property in Canada's North and selected three projects, Amaruk, Hepburn and Banks Island, each with the potential to host a $10 billion diamond mine similar to Ekati or Diavik, Canada's largest and most profitable diamond mines. www.diamondsnorth.com Oriental Minerals Inc. (TSX-V: OTL), a Canadian-based exploration company exploring for World-Class mineral deposits in South Korea. The Company's current projects include tungsten-molybdenum, base metal and gold-silver properties with significant known mineralization and excellent regional potential. www.orientalminerals.com Macarthur Minerals Ltd, (TSX-V: MMS), a Canadian listed company currently focused on the exploration and development of its Lake Giles project located in Western Australia. The area is prospective for significant magnetite iron ore deposits, gold and nickel sulphide mineralization. www.macarthurminerals.com Mining Interactive Corp. offers an exceptionally broad range of integrated investor, media, financial and corporate-communication services. The Company is dedicated to "name-branding" its five Member-Companies and providing them with comprehensive and effective investor-relations programs, based on their specific needs. www.mininginteractive.com Additional Presenting Companies: Keynote: Kinross Gold Corporation; Longview Capital Partners; Rimfire Minerals Corporation; Sabina Silver Corporation; Target Exploration & Mining; Buffalo Gold Ltd.; Geodex Minerals Ltd.; Bayswater Uranium Corp; Unor Inc.; Niogold Mining Corp; Ascendant Copper; Lateegra Gold Corp Investors following resource stocks can learn more about the upcoming Mining and Resource Conference at: http://www.investorideas.com/forums/Portals/resources.aspx and can register for free online at: http://www.investorideas.com/forums/Register.aspx Industry speakers currently include: Peter Grandich, Founder, Grandich Publications, LLC www.grandich.com ; Jon Nadler, Investment Products Analyst, Kitco Inc. www.kitco.com ; Eric Coffin, HRA (Hard Rock Analyst) Advisories www.hraadvisory.com ; Adrian Day, President, Adrian Day Asset Management www.adriandayassetmanagement.com ; John Kaiser, Kaiser Bottom-Fish Online www.kaiserbottomfish.com ; and Lawrence Roulston with Resource Opportunities www.resourceopportunities.com. Conference Sponsor: Resource World Magazine -- Resource World Magazine reports on the business of Mining, Oil & Gas and Alternative Energy. www.resourceworld.com Media Sponsors: U3O8.biz -- U3O8.biz is a leading provider of business news, financial information and analytical tools on the uranium market www.u3o8.biz and Small-Cap Conference Series www.smallcapconference.ca/ About our Mining Portals: www.Gold-MiningStocks.com (GMS) and www.MiningSectorStocks.com (MSS), portals within the InvestorIdeas.com(R) content umbrella, do not make recommendations, but feature industry and stock news, exclusive articles and financial columnists, audio interviews and Podcasts, investor conferences, Blogs, and a directory of stocks in the sector. Industry participants are invited to submit news, articles and research: http://www.gold-miningstocks.com/NewsUploader/Submission.aspx Disclaimer: Our sites do not make recommendations, but offer information portals to research news, articles, stock lists and recent research. Nothing on our sites should be construed as an offer or solicitation to buy or sell products or securities. We attempt to research thoroughly, but we offer no guarantees as to the accuracy of information presented. All Information relating to featured companies is sourced from public documents and/ or the company and is not the opinion of our web sites. Investorideas.com is compensated by featured companies, news submissions and online advertising. www.InvestorIdeas.com/About/Disclaimer.asp

Contact Information: For Additional Information on Participating in this Upcoming Conference Please Contact: or Dawn Van Zant 800-665-0411 dvanzant@investorideas.com or Ann Marie Fleming 866-725-2554 afleming@investorideas.com or Website: www.InvestorIdeas.com