POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with
the NAC Re Corp. 1997 Incentive and Capital Accumulation Plan and, specifically,
but without limiting the generality of the foregoing, to sign the name of the
undersigned in his capacity as director of NAC Re Corp. to a Registration
Statement on Form S-8 to be filed with the Securities and Exchange Commission
with respect thereto, to any and all amendments, including post-effective
amendments, to said Registration Statement and to any and all instruments and
documents filed as a part of or in connection with said Registration Statement,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or
any of them, may do or cause to be done by virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ RONALD L. BORNHUETTER
                                                ---------------------------------------------
                                                Ronald L. Bornhuetter
                                                CHAIRMAN OF THE BOARD AND
                                                CHIEF EXECUTIVE OFFICER

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ NICHOLAS M. BROWN, JR.
                                                ---------------------------------------------
                                                Nicholas M. Brown, Jr.
                                                PRESIDENT AND
                                                CHIEF OPERATING OFFICER

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ ROBERT A. BELFER
                                                ---------------------------------------------
                                                Robert A. Belfer

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ JOHN P. BIRKELUND
                                                ---------------------------------------------
                                                John P. Birkelund

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ C. W. CARSON, JR.
                                                ---------------------------------------------
                                                C. W. Carson, Jr.

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with
the NAC Re Corp. 1997 Incentive and Capital Accumulation Plan and, specifically,
but without limiting the generality of the foregoing, to sign the name of the
undersigned in his capacity as director of NAC Re Corp. to a Registration
Statement on Form S-8 to be filed with the Securities and Exchange Commission
with respect thereto, to any and all amendments, including post-effective
amendments, to said Registration Statement and to any and all instruments and
documents filed as a part of or in connection with said Registration Statement,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or
any of them, may do or cause to be done by virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ DAN CIAMPA
                                                ---------------------------------------------
                                                Dan Ciampa

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ TODD G. COLE
                                                ---------------------------------------------
                                                Todd G. Cole

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ MICHAEL G. FITT
                                                ---------------------------------------------
                                                Michael G. Fitt

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ DANIEL J. MCNAMARA
                                                ---------------------------------------------
                                                Daniel J. McNamara

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ STEPHEN ROBERT
                                                ---------------------------------------------
                                                Stephen Robert

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ WENDY STROTHMAN
                                                ---------------------------------------------
                                                Wendy Strothman

 
Dated: June 11, 1997

                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Martha G. Bannerman, Celia R. Brown and Jerome T. Fadden and each and
any one of them, his true and lawful attorney-in-fact and agent, for him and in
his name, place and stead, to do any and acts and things and to execute any and
all instruments which said attorney-in-fact and agent may deem necessary or
advisable to comply with the Securities Act of 1933, as amended, and any rules,
regulations and requirements of the Securities and Exchange Commission in
respect thereof, in connection with the registration under the Securities Act of
1933 of shares of Common Stock of NAC Re Corp. to be issued in connection with,
and participation interests in, the NAC Re Corp. 1997 Incentive and Capital
Accumulation Plan and, specifically, but without limiting the generality of the
foregoing, to sign the name of the undersigned in his capacity as director of
NAC Re Corp. to a Registration Statement on Form S-8 to be filed with the
Securities and Exchange Commission with respect thereto, to any and all
amendments, including post-effective amendments, to said Registration Statement
and to any and all instruments and documents filed as a part of or in connection
with said Registration Statement, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may do or cause to be done by
virtue hereof.
 
    IN WITNESS WHEREOF, the undersigned has hereto set his hand.
 

                                             
                                                /s/ HERBERT S. WINOKUR, JR.
                                                ---------------------------------------------
                                                Herbert S. Winokur, Jr.

 
Dated: June 11, 1997