Spire Corporation (“Spire”) (Nasdaq: SPIR), a global solar company providing capital equipment and turn-key manufacturing lines to produce photovoltaic (“PV”) modules and providing engineering, procurement and construction (“EPC”) integration services for solar systems and biomedical processing services, today announced that its common stock will begin trading on the OTCQB Marketplace under the ticker symbol “SPIR” commencing Friday, July 5, 2013. Investors will be able to view the Real Time Level II stock quotes for “SPIR” at http://www.otcmarkets.com/stock/spir/quote. The move to the OTCQB does not change Spire’s SEC reporting obligations under applicable securities laws. Accordingly, Spire will continue to file its Quarterly Reports on Form 10-Q, Annual Reports on Form 10-K and Current Reports on Form 8-K. About OTC Markets Group Inc. OTC Markets Group Inc. operates open, transparent and connected financial marketplaces for investors to easily trade almost 10,000 equity and debt securities through the broker of their choice. OTC Markets Group organizes these securities into tiered marketplaces to inform investors of opportunities and risks. OTC Markets Group’s data-driven platform enables efficient trading through any broker at the best possible prices and empowers a broad range of companies to improve the quality and availability of information for their investors. About Spire CorporationSpire Corporation is a global solar company providing capital equipment and turn-key production lines to manufacture PV modules. For further details on the Company and its products, please visit www.spirecorp.com. Certain matters described in this press release including those relating to Spire’s prospects for growth constitute forward-looking statements under the federal securities laws. The discussion of forward-looking information requires management of the Company to make certain estimates and assumptions regarding the Company’s strategic duration and the effect of such plans on the Company’s financial results. These forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those indicated in the forward-looking statements. Such risks and uncertainties include, but are not limited to, the risk of dependence on market growth, competition and dependence on government agencies and other third parties for funding contract research and services, as well as other factors described in the Company's Form 10-K and other periodic reports filed with the Securities and Exchange Commission. Forward-looking statements contained in the press release speak only as of the date of this release. Subsequent events or circumstances occurring after such date may render these statements incomplete or out of date. The Company undertakes no obligation and expressly disclaims any duty to update such statements.