Limited Power of Attorney


KNOW ALL BY THESE PRESENTS, that the undersigned is required,
or may be required in the future, to file reports of changes
in beneficial ownership of equity securities of MGIC Investment
Corporation (the "Company").

To facilitate the filing of these reports, the undersigned
hereby appoints each person who is the Chief Financial Officer,
the Associate General Counsel, any Assistant General Counsel
the Secretary, or any Assistant Secretary of the Company
as the undersigned's attorney-in-fact
and agent to: (i) apply on behalf of the undersigned for
access codes (if necessary) for the EDGAR System, and
(ii) sign on behalf of the undersigned any Form 3, Form 4,
or Form 5 to be filed by the undersigned with the SEC
or any securities exchange.

Each of the persons authorized to act as such attorney-in-fact
and agent above may do so separately without the concurrence of
the other persons.  The authority granted hereunder is granted
to the person occupying the position specified at the time such
authority is exercised.

Dated: July 16, 2018



Signature: (S) Paula C. Maggio

Please print name:  Paula C. Maggio