SOURCE: PMA Financial Network, Inc.

PMA Financial Network, Inc.

PMA Financial Network, Inc.

March 24, 2011 07:00 ET

MNTrust-Investment Shares Rated 'AAAm' by Standard & Poor's

CHICAGO, IL--(Marketwire - March 24, 2011) - MNTrust -- a comprehensive investment and cash management program for Minnesota school districts -- along with PMA Financial Network, Inc. (Fund administrator), Prudent Man Advisors, Inc. (Fund investment advisor) and PMA Securities, Inc. (Fund distributor) announced that the MNTrust-Investment Shares has been assigned the 'AAAm' principal stability fund rating by Standard and Poor's (S&P). The rating is the highest possible among money-market mutual funds and is based on S&P's analysis of the investment shares.

According to S&P's Fund Ratings Publication,

The 'AAAm' rating reflects the fund's extremely strong capacity to maintain principal stability and to limit exposure to principal losses due to credit risk. This is achieved through conservative investment practices and strict internal controls.1

The full S&P publication can be found here - http://www.standardandpoors.com/ratings/news-and-commentary/funds-gips/en/us/?title=Government+Investment+Pools%3A+News+%26+Commentary

"Providing safety of principal, especially in difficult economic times, is vital to the success of Minnesota schools," said Mike English, President and Chief Executive Officer of Prudent Man Advisors, Inc. "As the adviser to MNTrust, we are pleased that this investment-grade rating reflects the strength of the pool."

About MNTrust
MNTrust, a joint powers agreement, is a comprehensive investment and cash management program for Minnesota school districts. For investing district funds, MNTrust offers participants a liquid money market portfolio called Investment Shares and a statute compliant Fixed Income Investment Program that allows school districts to purchase individual investments for their portfolio. The MNTrust portfolio easily accommodates same-day credit for direct deposit (ACH) of state aids and local taxes. Additional information is available at www.investmntrust.com.

About PMA Financial Network, Inc.
PMA Financial Network, Inc. is a leading provider of administration, financial advisory services and fixed rate investment program services to local government investment pools.

With billions of dollars invested annually, PMA provides over 1,350 clients with a diverse lineup of customized financial solutions through a team of experienced professionals and some of the most innovative technology available. PMA Financial Network, Inc. serves as an administrator for MNTrust. Prudent Man Advisors, Inc., serves as the Fund's investment advisor. Additional information is available at www.pmanetwork.com.

Disclosure
(1) Guyna Johnson, "Fund Ratings - MNTrust-Investment Shares Rates 'AAAm,'" Standard & Poor's, © February 1, 2011. Reproduced with permission of Standard & Poor's Financial Services LLC.

Securities, investment banking and institutional brokerage services are offered through PMA Securities, Inc. PMA Securities, Inc. is a broker-dealer and municipal advisor registered with the SEC and MSRB, and is a member of FINRA and SIPC. Prudent Man Advisors, Inc., an SEC registered investment adviser, provides investment advisory services to local government investment pools. All other products and services are provided by PMA Financial Network, Inc. PMA Financial Network, Inc., PMA Securities, Inc. and Prudent Man Advisors (collectively "PMA") are under common ownership.

Services offered through PMA Securities, Inc. are available in CA, CO, FL, GA, IL, IN, IA, KS, MI, MN, MO, NE, OH, OK, PA, SD, TX and WI. This release is not an advertisement of services available in any state other than those listed above, has been prepared for informational and educational purposes and does not constitute a solicitation to purchase or sell securities, which may be done only after client suitability is reviewed and determined. All investments mentioned herein contain varying levels of risk, and may not be suitable for every investor. This document is not intended, nor should it be construed, to provide legal, tax, accounting or financial advice. It is important to work with your Legal, Credit and Compliance divisions in order to ensure appropriate compliance with the firm's legal and regulatory bodies. It is not the author's intent to provide legal advice or credit analysis for your particular business model or situation. Individuals and organizations should consult their personal tax and/or legal advisors before making any tax or legal-related investment decisions.

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