AGREEMENT This Agreement is made as of the 18th day of May, 2000, between the Louise B. Tollefson Revocable Trust dated 12/23/1997 (the "Trust") and Louise B. Tollefson ("Tollefson"). The Parties hereto hereby agree that a single, joint statement (and...

EXHIBIT 1

                                    AGREEMENT

     This Agreement is made as of the 18th day of May, 2000, between the Xxxxxx
X. Xxxxxxxxx Revocable Trust dated 12/23/1997 (the "Trust") and Xxxxxx X.
Xxxxxxxxx ("Xxxxxxxxx").

     The Parties hereto hereby agree that a single, joint statement (and any
amendments thereto) containing the information required by Schedule 13D under
the Securities Exchange Act of 1934 with respect to the beneficial ownership of
shares of Common Stock of NYMAGIC, Inc., a New York corporation, may be filed
with the Securities and Exchange Commission on behalf of each of the Trust and
Xxxxxxxxx.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the date first set forth above.

                                          XXXXXX X. XXXXXXXXX REVOCABLE
                                          TRUST DATED 12/23/1997

                                          By:/s/ XXXXXX X. XXXXXXXXX
                                             -----------------------
                                                Xxxxxx X. Xxxxxxxxx
                                                Trustee

                                          /s/ XXXXXX X. XXXXXXXXX
                                          -----------------------
                                          Xxxxxx X. Xxxxxxxxx