ALAMEDA, Calif., Nov. 21, 2016 (GLOBE NEWSWIRE) -- Aqua Metals (NASDAQ:AQMS), which is commercializing a non-polluting electrochemical lead recycling technology called AquaRefining™, today announced that it has closed its previously-announced underwritten public offering of 2.3 million shares of its common stock at a price to the public of $10.00 per share, for gross proceeds of $23 million. The completed offering includes shares issued by the exercise in full of the underwriter's overallotment option. Aqua Metals intends to use the net proceeds from the offering to accelerate its AquaRefining™ product development and licensing efforts inclusive of pre-sales and post-sales support staff and infrastructure, enhance processes to further improve operating margins, regulatory activities, working capital and other general corporate purposes. National Securities Corporation, a wholly owned subsidiary of National Holdings, Inc. (NASDAQ:NHLD), is acting as the sole book-running manager of the offering. The Liquid Venture Partners group at National Securities is responsible for sourcing and executing the offering. The shares described above were offered by Aqua Metals pursuant to a registration statement previously filed with and subsequently declared effective by the Securities and Exchange Commission ("SEC"). A prospectus supplement dated November 16, 2016 relating to the offering was filed with the SEC and is available on the SEC's website at http://www.sec.gov. This press release shall not constitute an offer to sell or the solicitation of an offer to buy any of the securities described herein, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Copies of the prospectus supplement and accompanying base prospectus relating to this offering may be obtained from National Securities Corporation, Attn: Kim Addarich, Managing Director, 410 Park Avenue, 14th Floor, New York, NY 10022, email: firstname.lastname@example.org, telephone: (212)-417-8164.