Item 14(c) Exhibit #24 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 10th day of February, 1999. /s/ Roger G. Ackerman ---------------------- (Roger G. Ackerman) 92 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 12th day of February, 1999. /s/ Van C. Campbell -------------------- (Van C. Campbell) 93 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ Norman E. Garrity ---------------------- (Norman E. Garrity) 94 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ John W. Loose ------------------ (John W. Loose) 95 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 12th day of February, 1999. /s/ James R. Houghton ---------------------- (James R. Houghton) 96 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 12th day of February, 1999. /s/ Robert Barker ------------------ (Robert Barker) 97 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 18th day of February, 1999. /s/ John Seely Brown --------------------- (John Seely Brown) 98 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 12th day of February, 1999. /s/ John H. Foster ------------------- (John H. Foster) 99 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ Gordon Gund ---------------- (Gordon Gund) 100 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 16th day of February, 1999. /s/ John M. Hennessy --------------------- (John M. Hennessy) 101 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 17th day of February, 1999. /s/ James W. Kinnear --------------------- James W. Kinnear) 102 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ James J. O'Connor ---------------------- (James J. O'Connor) 103 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ Catherine A. Rein ---------------------- (Catherine A. Rein) 104 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ Henry Rosovsky ------------------- (Henry Rosovsky) 105 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 10th day of February, 1999. /s/ H. Onno Ruding ------------------- (H. Onno Ruding) 106 CORNING INCORPORATED POWER OF ATTORNEY ------------------------ KNOW ALL MEN BY THESE PRESENTS that the undersigned Director and/or Officer of CORNING INCORPORATED, a New York corporation, hereby constitutes and appoints Katherine A. Asbeck, Van C. Campbell, William D. Eggers and James B. Flaws, or any of them, his true and lawful attorney-in-fact and agent, in the name and on behalf of the undersigned, to do any and all acts and things to comply with the Securities and Exchange Act of 1934, as amended, and any and all rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing under the Securities and Exchange Act of 1934 of the Annual Report on Form 10-K of Corning Incorporated for the fiscal year ended December 31, 1998, including specifically, but without limiting the generality of the foregoing, the power and authority to sign on behalf of the undersigned in his capacity as Director and/or Officer of Corning Incorporated the appropriate signature pages of said Annual Report on Form 10-K to be filed with the Securities and Exchange Commission; and the undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents, or any one of them, shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 9th day of February, 1999. /s/ William D. Smithburg ------------------------- (William D. Smithburg) 107 The following exhibits are included only in copies of the 1998 Annual Report on Form 10-K filed with Securities and Exchange Commission. Exhibit #3(i) Restated Certificate of Incorporation dated April 24, 1997 Exhibit #3(ii) By-Laws of Corning Incorporated, as amended and effective as of October 6, 1998 Exhibit #24 Powers of Attorney Exhibit #27 Financial Data Schedule Copies of these exhibits may be obtained by writing to Mr. A. John Peck Jr., secretary, Corning Incorporated, MP-HQ-E2-10, Corning, New York 14831. 108