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 of Timothy A. Chrapko, Shelby E. Heinrich, Heidi A.
Heyrman, Paula C. Maggio, Brian M. Remington, Leslie A. Schunk, and
Martha F. Tsuchihashi 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 and file any Form 3, Form 4, or Form 5 for the
undersigned with the Securities and Exchange Commission 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:   October 27, 2021
Signature:   /s/  Michael J. Lehman
Please print or type name:       Michael J. Lehman

ACKNOWLEDGMENT
STATE OF WISCONSIN  )
COUNTY OF MILWAUKEE  )

Before me, a Notary Public in and for the State of Wisconsin, on this
day personally appeared Michael J. Lehman, known to me to be the
person whose name is subscribed to the foregoing Limited Power of
Attorney, and acknowledged to me that he/she executed the same for
the purposes and consideration therein expressed.

Given under my hand and official seal this 27th day of October 2021.

(SEAL)
By:     /s/  Patricia A. Fitchett
Notary Public, State of Wisconsin
Print Name:   Patricia A. Fitchett
My commission expires:  October 3, 2025