Translation of "Preliminary prospectus" in German

The financial audit of ZincNyx has been completed and filing of the preliminary prospectus is expected shortly.

Vancouver, British Columbia, May 28, 2009 — Burcon NutraScience Corporation (TSXV – BU) (“Burcon” or the “Corporation”) announced today that it has filed a preliminary short form prospectus with the securities regulatory authorities in the Provinces of British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, New Brunswick and Nova Scotia in connection with a best efforts offering of common shares of the Corporation (the “Offering”).

A copy of the preliminary prospectus related to this offering, when available, may be obtained by visiting EDGAR on the SEC website at www.sec.gov .

A receipt for the preliminary prospectus was issued by the British Columbia Securities Commission on March 23, 2017 .

Copies of the preliminary prospectus and prospectus, when available, may be obtained by contacting Northland Capital Markets at 150 South Fifth Street, Suite 3300, Minneapolis, Minnesota 55402, Attention: Heidi Fletcher, by calling (612) 851-4918 or by email at [email protected] or by contacting Roth Capital Partners at 888 San Clemente Drive, Suite 400, Newport Beach, California 92660, Attention: Equity Capital Markets, by calling (800) 678-9147 or by email at [email protected].

The offering contemplated in the Amended and Restated Preliminary Short Form Prospectus of the Company dated December 10, 2009 will not be proceeding and such prospectus has been withdrawn.

Copies of the preliminary short form prospectus and documents incorporated therein can be obtained on request from the Secretary of Golden Dawn Minerals Inc. by sending a written request to 318 – 1199 West Pender St., Vancouver, B.C., V6E 2R1 (Telephone: (604) 221-8936), and are available electronically under Golden Dawn's issuer profile on SEDAR at www.sedar.com .

A list of the names of those directors and executive officers and a description of their interests in Diamond Eagle is contained in the preliminary proxy statement/prospectus regarding the business combination, which is included as part of the Registration Statement, and will also be included in the definitive proxy statement/prospectus for the proposed business combination when available.

A registration statement on Form S-1 (File No. 333-235602), including a preliminary prospectus, relating to the proposed offering has been filed with the U.S. Securities and Exchange Commission (the “SEC”), but has not yet become effective.

Please see " Use of Proceeds " in the amended and restated preliminary prospectus for further details of the use of net proceeds from the Offering.

The Corporation will use its reasonable best efforts to file a preliminary short form prospectus and obtain a receipt for a final short form prospectus by December 22, 2010 for the purpose of qualifying the Common Shares issuable upon exercise of the Special Warrants for distribution to the public with the applicable regulatory authorities in each of the provinces of Canada where Special Warrants are sold.

Further details concerning the Rights Offering and the procedures to be followed by holders of Common Shares are contained in the preliminary prospectus available on the Corporation's profile at www.sedar.com.

In addition, in connection with its review of the management information circular of the Company dated August 10, 2010 (the "Circular") in the context of its review of the preliminary short form prospectus of the Company dated April 13, 2011, the Autorité des marchés financiers (the "Autorité") has identified deficiencies in the disclosure of the Company's compensation therein.

The prospectus relating to the rights issue and the preliminary prospectus relating to the convertible bond offering were published on 18 May 2004.

The Company will use its reasonable best efforts to file a preliminary short form prospectus and obtain a receipt for a final short form prospectus by December 22, 2010 for the purpose of qualifying the Common Shares issuable upon exercise of the Special Warrants for distribution to the public with the applicable regulatory authorities in each of the provinces of Canada where Special Warrants are sold.

A copy of LexaGene's news release as well as their preliminary short-form prospectus which was filed on December 4 th, 2017 can be found on Sedar.

Many factors could cause actual results, performance or achievements to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements and information, including, among others, the ability of the Company to successfully close a financing pursuant to the base shelf prospectus or shelf registration statement and those risks identified in MAG's preliminary base shelf prospectus dated December 28, 2017 filed on SEDAR at www.sedar.com .

Endeavour will use its commercially reasonable efforts to prepare and file a preliminary prospectus and final prospectus in the Canadian offering jurisdictions as soon as possible after the closing of the private placement, and seek to obtain receipts within, respectively, 45 days and 60 days after closing.

The offering will be made in the United States through Canaccord, BMO Capital Markets and CFCC's U.S. affiliates, Canaccord Genuity Inc., BMO Capital Markets Corp. and Cantor Fitzgerald & Co., pursuant to a preliminary prospectus supplement and the accompanying prospectus under the Company's registration statement previously filed on Form S-3 (File No. 333-211910) with the Securities and Exchange Commission (the "SEC"), and declared effective by the SEC on June 29, 2016, and in Canada pursuant to a prospectus supplement to the Company's (final) short form base shelf prospectus dated March 14, 2017, filed with the securities regulators in each of the Provinces of Canada other than Quebec.