Calenergy Capital Trust IV Watch

from POS AM ~5 pages Fourth Supplemental Indenture

from S-3/A ~5 pages Form of Common Securities Guarantee Agreement

from S-3/A ~20 pages Preferred Securities Guarantee Agreement

from S-3/A ~10 pages Form of Junior Subordinated Debentures

from S-3/A ~5 pages Form of Common Securities Certificate

from S-3/A ~5 pages Form of Convertible Preferred Securities

from S-3/A ~50 pages Form of Amended and Restated Declaration of Trust

from S-3/A ~20 pages Declaration of Trust

from S-3/A ~20 pages Declaration of Trust for Calenergy Capital Trust IV

from S-3/A 1 page <page> Certificate of Trust the Undersigned, the Trustees of Calenergy Capital Trust VI, Desiring to Form a Business Trust Pursuant to Delaware Business Trust Act, 12 Del. C. Ss. 3810, Hereby Certify as Follows: 1. the Name of the Business Trust Being Formed Hereby (The "Trust") Is "Calenergy Capital Trust VI". 2. the Name and Business Address of the Trustee of the Trust Which Has Its Principal Place of Busi- Ness in the State of Delaware Is as Follows: The Bank of New York, Delaware 23 White Clay Center Route 273 Newark, Delaware 19711 3. This Certificate of Trust Shall Be Effective as of the Date of Filing. Dated: September 16, 1997 /S/ Steven A. McArthur Name: Steven A. McArthur Title: Regular Trustee /S/ Craig Hammett Name: Craig Hammett Title: Regular Trustee /S/ Douglas L. Anderson Name: Douglas L. Anderson Title: Regular Trustee the Bank of New York, Delaware, as Delaware Trustee By: /S/ Walter N. Gitlin Name: Walter N. Gitlin Title: Authorized Signatory

from S-3/A ~20 pages Declaration of Trust of Calenergy Capital Trust VI

from S-3/A >50 pages Form of Convertible Junior Subordinated Debentures Indenture

from S-3/A >50 pages Form of Senior Debt Securities Indenture

from S-3 ~20 pages Convertible Preferred Securities Guarantee Agreement

from S-3 ~5 pages Form of Convertible Preferred Securities

from S-3 ~50 pages Amended and Restated Declaration of Trust

from S-3 1 page <page> Certificate of Trust the Undersigned, the Trustees of Calenergy Capital Trust V, Desiring to Form a Business Trust Pursuant to Delaware Business Trust Act, 12 Del. C. Ss. 3810, Hereby Certify as Follows: 1. the Name of the Business Trust Being Formed Hereby (The "Trust") Is "Calenergy Capital Trust V". 2. the Name and Business Address of the Trustee of the Trust Which Has Its Principal Place of Busi- Ness in the State of Delaware Is as Follows: The Bank of New York, Delaware 23 White Clay Center Route 273 Newark, Delaware 19711 3. This Certificate of Trust Shall Be Effective as of the Date of Filing. Dated: August 4, 1997 /S/ Steven A. McArthur Name: Steven A. McArthur Title: Regular Trustee /S/ Craig Hammett Name: Craig Hammett Title: Regular Trustee /S/ Gregory Abel Name: Gregory Abel Title: Regular Trustee the Bank of New York, Delaware, as Delaware Trustee By: /S/ Walter N. Gitlin Name: Walter N. Gitlin Title: Authorized Signatory

from S-3 1 page <page> Certificate of Trust the Undersigned, the Trustees of Calenergy Capital Trust IV, Desiring to Form a Business Trust Pursuant to Delaware Business Trust Act, 12 Del. C. Ss. 3810, Hereby Certify as Follows: 1. the Name of the Business Trust Being Formed Hereby (The "Trust") Is "Calenergy Capital Trust IV". 2. the Name and Business Address of the Trustee of the Trust Which Has Its Principal Place of Busi- Ness in the State of Delaware Is as Follows: The Bank of New York, Delaware 23 White Clay Center Route 273 Newark, Delaware 19711 3. This Certificate of Trust Shall Be Effective as of the Date of Filing. Dated: August 4, 1997 /S/ Steven A. McArthur Name: Steven A. McArthur Title: Regular Trustee /S/ Craig Hammett Name: Craig Hammett Title: Regular Trustee /S/ Gregory Abel Name: Gregory Abel Title: Regular Trustee the Bank of New York, Delaware, as Delaware Trustee By: /S/ Walter N. Gitlin Name: Walter N. Gitlin Title: Authorized Signatory

from S-3 1 page <page> Certificate of Trust the Undersigned, the Trustees of Calenergy Capital Trust III, Desiring to Form a Business Trust Pursuant to Delaware Business Trust Act, 12 Del. C. Ss. 3810, Hereby Certify as Follows: 1. the Name of the Business Trust Being Formed Hereby (The "Trust") Is "Calenergy Capital Trust III". 2. the Name and Business Address of the Trustee of the Trust Which Has Its Principal Place of Busi- Ness in the State of Delaware Is as Follows: The Bank of New York, Delaware 23 White Clay Center Route 273 Newark, Delaware 19711 3. This Certificate of Trust Shall Be Effective as of the Date of Filing. Dated: August 4, 1997 /S/ Steven A. McArthur Name: Steven A. McArthur Title: Regular Trustee /S/ Craig Hammett Name: Craig Hammett Title: Regular Trustee /S/ Gregory Abel Name: Gregory Abel Title: Regular Trustee the Bank of New York, Delaware, as Delaware Trustee By: /S/ Walter N. Gitlin Name: Walter N. Gitlin Title: Authorized Signatory