Brigham Ben M – Underwriting Agreements Watch

from SC 13D/A 13 pages Stockholders’ Agreement

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement

from SC 13G/A 1 page <page> Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, the Persons Named Below Agree to the Joint Filing on Behalf of Each of Them of a Statement on Schedule 13g/a (Including Amendments Thereto) With Respect to the Common Stock of Brigham Exploration Company and Further Agree That This Joint Filing Agreement Be Included as an Exhibit to Such Joint Filings. in Evidence Thereof Each of the Undersigned, Being Duly Authorized, Hereby Execute This Agreement on the Date Set Forth Opposite His or Her Name. Date: February 13, 2003 /S/ Ben M. Brigham Ben M. Brigham Date: February 13, 2003 /S/ Anne L. Brigham Anne L. Brigham Page 8 of 8 Pages

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, the Persons Named Below Agree to the Joint Filing on Behalf of Each of Them of a Statement on Schedule 13g/a (Including Amendments Thereto) With Respect to the Common Stock of Brigham Exploration Company and Further Agree That This Joint Filing Agreement Be Included as an Exhibit to Such Joint Filings. in Evidence Thereof Each of the Undersigned, Being Duly Authorized, Hereby Execute This Agreement on the Date Set Forth Opposite His or Her Name. Date: February 14, 2001 /S/ Ben M. Brigham Ben M. Brigham Date: February 14, 2001 /S/ Anne L. Brigham Anne L. Brigham Page 8 of 8 Pages <page>

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, the Persons Named Below Agree to the Joint Filing on Behalf of Each of Them of a Statement on Schedule 13g/a (Including Amendments Thereto) With Respect to the Common Stock of Brigham Exploration Company and Further Agree That This Joint Filing Agreement Be Included as an Exhibit to Such Joint Filings. in Evidence Thereof Each of the Undersigned, Being Duly Authorized, Hereby Execute This Agreement on the Date Set Forth Opposite His or Her Name. Date: February 14, 2001 /S/ Ben M. Brigham Ben M. Brigham Date: February 14, 2001 /S/ Anne L. Brigham Anne L. Brigham Page 8 of 8 Pages <page>

from SC 13G/A 1 page <page> 1 Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, the Persons Named Below Agree to the Joint Filing on Behalf of Each of Them of a Statement on Schedule 13g/a (Including Amendments Thereto) With Respect to the Common Stock of Brigham Exploration Company and Further Agree That This Joint Filing Agreement Be Included as an Exhibit to Such Joint Filings. in Evidence Thereof Each of the Undersigned, Being Duly Authorized, Hereby Execute This Agreement on the Date Set Forth Opposite His or Her Name. Date: February 11, 2000 /S/ Ben M. Brigham Ben M. Brigham Date: February 11, 2000 /S/ Anne L. Brigham Anne L. Brigham Page 8 of 8 Pages

from SC 13G 1 page <page> 1 Exhibit 1 Joint Filing Agreement in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, the Persons Named Below Agree to the Joint Filing on Behalf of Each of Them of a Statement on Schedule 13g (Including Amendments Thereto) With Respect to the Common Stock of Brigham Exploration Company and Further Agree That This Joint Filing Agreement Be Included as an Exhibit to Such Joint Filings. in Evidence Thereof Each of the Undersigned, Being Duly Authorized, Hereby Execute This Agreement on the Date Set Forth Opposite His or Her Name. Date: February 12, 1999 /S/ Ben M. Brigham Ben M. Brigham Date: February 12, 1999 /S/ Anne L. Brigham Anne L. Brigham Page 8 of 8 Pages