EX-99.(S)(B) 5 isfrexhsb.txt POWER OF ATTORNEY FOR SENIOR DEBT PORTFOLIO Exhibit(s)(b) POWER OF ATTORNEY We, the undersigned officers and Trustees of Senior Debt Portfolio, a New York trust, do hereby severally constitute and appoint Alan R. Dynner, Thomas E. Faust Jr., James B. Hawkes and James L. O'Connor, or any of them, to be true, sufficient and lawful attorneys, or attorney for each of us, to sign for each of us, in the name of each of us in the capacities indicated below, the Registration Statement and any and all amendments (including post-effective amendments) to the Registration Statement on Form N-2 filed by Eaton Vance Institutional Senior Floating-Rate Fund with the Securities and Exchange Commission in respect of shares of beneficial interest and other documents and papers relating thereto. IN WITNESS WHEREOF we have hereunto set our hands on the dates set opposite our respective signatures. Signature Title Date --------- ----- ---- /s/ James B. Hawkes President, Principal Executive -------------------------- Officer and Trustee November 5, 2001 James B. Hawkes /s/ James L. O'Connor Treasurer and Principal Financial November 20, 2001 -------------------------- and Accounting Officer James L. O'Connor /s/ Jessica M. Bibliowicz -------------------------- Trustee November 9, 2001 Jessica M. Bibliowicz /s/ Donald R. Dwight -------------------------- Trustee November 5, 2001 Donald R. Dwight /s/ Samuel L. Hayes, III -------------------------- Trustee November 5, 2001 Samuel L. Hayes, III /s/ Norton H. Reamer -------------------------- Trustee November 5, 2001 Norton H. Reamer /s/ Lynn A. Stout -------------------------- Trustee November 5, 2001 Lynn A. Stout /s/ Jack L. Treynor -------------------------- Trustee November 5, 2001 Jack L. Treynor