POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS: That the undersigned officers and directors of Polycom, Inc., a Delaware corporation, do hereby constitute and appoint Robert C. Hagerty and Michael R. Kourey, and each of them, the lawful attorneys-in-fact, each with full power of substitution, for him in any and all capacities, to sign any amendments to this report on Form 10-K and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact or their substitute or substitutes may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, each of the undersigned has executed this Power of Attorney as of the date indicated. Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons in the capacities and on the dates indicated. Signature Title Date - --------- ----- ---- /s/ Robert C. Hagerty Chairman of the Board of Directors, March 29, 2000 - ------------------------------------ Robert C. Hagerty Chief Executive Officer and President (Principal Executive Officer) /s/ Michael R. Kourey Senior Vice President, Finance and March 29, 2000 - ------------------------------------ Michael R. Kourey Administration, Chief Financial Officer, Secretary and Director (Principal Financial and Accounting Officer) /s/ Betsy Atkins Director March 29, 2000 - ------------------------------------ Betsy Atkins /s/ Brian L. Hinman Director March 29, 2000 - ------------------------------------ Brian L. Hinman /s/ John A. Kelly Director March 29, 2000 - ------------------------------------ John A. Kelly /s/ Stanley J. Meresman Director March 29, 2000 - ------------------------------------ Stanley J. Meresman /s/ William Owens Director March 29, 2000 - ------------------------------------ William Owens /s/ John Seely Brown Director March 29, 2000 - ------------------------------------ John Seely Brown /s/ James R. Swartz Director March 29, 2000 - ------------------------------------ James R. Swartz 37