Exhibit 99.2

FOR IMMEDIATE RELEASE May 30, 2012

Micromem Technologies Inc. Raises Additional Funds with the Exercise of Warrants

Toronto, New York, May 30, 2012: Micromem Technologies Inc. (the “Company”) (CNSX: MRM, OTCBB: MMTIF) announces the Company has raised additional funds through the exercise of 4,270,000 Common Share Purchase Warrants (“Warrants”). The Company raised a total of US $164,250 with strike prices ranging from US $0.14 -US $0.15 and CDN $375,000 with strike prices ranging from CDN $0.12 -CDN $0.20. These Warrants were originally issued in connection with financings completed in 2011. The proceeds will be used for general working capital purposes.

In addition the Company has moved its corporate headquarters to 121 Richmond Street West, Suite 304, Toronto, Ontario, M5H 2K1.

About Micromem and MASTInc

MASTInc is a wholly owned U.S.-based subsidiary of Micromem Technologies Inc., a publicly traded (OTC BB: MMTIF, CNSX: MRM) company. MASTInc responsibly analyzes the specific industry sectors to create intelligent game-changing applications that address unmet market needs. By leveraging its expertise and experience with sophisticated magnetic sensor applications, MASTInc successfully powers the development and implementation of innovative solutions for healthcare/biomedical, natural resource exploration, government, information technology, manufacturing, and other industries. Visit www.micromeminc.com www.mastinc.com.

Safe Harbor Statement

This press release contains forward-looking statements. Such forward-looking statements are subject to a number of risks, assumptions and uncertainties that could cause the Company’s actual results to differ materially from those projected in such forward-looking statements. In particular, factors that could cause actual results to differ materially from those in forward looking statements include: our inability to obtain additional financing on acceptable terms; risk that our products and services will not gain widespread market acceptance; continued consumer adoption of digital technology; inability to compete with others who provide comparable products; the failure of our technology; the infringement of our technology with proprietary rights of third parties; inability to respond to consumer and technological demands; inability to replace significant customers; seasonal nature of our business; and other risks detailed in our filings with the Securities and Exchange Commission. Forward-looking statements speak only as of the date made and are not guarantees of future performance. We undertake no obligation to publicly update or revise any forward-looking statements. When used in this document, the words “believe,” “expect,” “anticipate,” “estimate,” “project,” “plan,” “should,” “intend,” “may,” “will,” “would,” “potential,” and similar expressions may be used to identify forward-looking statements.

The CNSX or any other securities regulatory authority has not reviewed and does not accept responsibility for the adequacy or accuracy of this press release that has been prepared by management.

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Listing: NASD OTC-Bulletin Board - Symbol: MMTIF
CNSX - Symbol: MRM

Shares issued: 124,811,665
SEC File No: 0-26005
Investor Contact: Jason Baun, Chief Information Officer; Tel. 416-364-2023