1 EXHIBIT 8.K. National Life Insurance Company Power of Attorney The undersigned hereby appoints Patrick E. Welch, Thomas H. MacLeay or Rodney A. Buck, or any of them, her attorney-in-fact to execute in her name, and on her behalf, the National Life second-to-die variable universal life registration statement on Form S-6, and all amendments thereto, to be filed by National Life Insurance Company under the Securities Act of 1933. /s/ Earle H. Harbison, Jr. -------------------------- Earle H. Harbison, Jr.