EXHIBIT (16) POWER OF ATTORNEY We, the undersigned officers and Trustees of Eaton Vance Investment Trust, a Massachusetts business trust, do hereby severally constitute and appoint Alan R. Dynner and Eric G. Woodbury, or either 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, any and all amendments to the Registration Statement on Form N-14 filed by Eaton Vance Investment Trust 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. Name Capacity Date /s/ Thomas J. Fetter President and Principal August 16, 1999 Thomas J. Fetter Executive Officer /s/ James L. O'Connor Treasurer and Principal August 16, 1999 - ----------------------- Financial and Accounting Officer James L. O'Connor /s/ Jessica M. Bibliowicz Trustee August 16, 1999 - ------------------------- Jessica M. Bibliowicz /s/ Donald R. Dwight Trustee August 16, 1999 - ------------------------- Donald R. Dwight /s/ James B. Hawkes Vice President and Trustee August 16, 1999 - ------------------------- James B. Hawkes /s/ Samuel L. Hayes, III Trustee August 17, 1999 - -------------------------- Samuel L. Hayes, III /s/ Norton H. Reamer Trustee August 16, 1999 - -------------------------- Norton H. Reamer /s/ Lynn A. Stout Trustee August 16, 1999 - -------------------------- Lynn A. Stout /s/ Jack L. Treynor Trustee August 16, 1999 - ------------------------- Jack L. Treynor