Common use of COPIES OF PURCHASE CONTRACT AGREEMENT Clause in Contracts

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As tenants in common TEN ENT - As tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (minor) _____________________ Under Uniform Gifts to Minors Act of _______________ Additional abbreviations may also be used though not in the above list. ____________________________ FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ (insert name of assignee) ________________________________________________________________________________ (insert social security or taxpayer I.D. or other identifying number of assignee) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (insert address including zip code of assignee) the within Corporate PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing ________________________________________ attorney to transfer said Corporate PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ ______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ___________________________________

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As as tenants in common TEN ENT - As as tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (for ( minor) __________________________ Under Uniform Gifts to Minors Act of ___________________ (State) Additional abbreviations may also be used though not in the above list. ____________________________ FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ (insert name of assignee) ________________________________________________________________________________ (insert social security or taxpayer I.D. or other identifying number of assignee) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (insert address including zip code of assignee) the within Corporate Treasury PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing appointing_________________________________________ attorney to transfer said Corporate Treasury PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ ______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ____________________________________ Signature

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As tenants in common TEN ENT - As tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (minor) _____________________ Under Uniform Gifts to Minors Act of _______________ Additional abbreviations may also be used though not in the above list. ____________________________ ------------------------- FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ ----------------------------------------------------------------------------- (insert name of assigneeINSERT NAME OF ASSIGNEE) ________________________________________________________________________________ ----------------------------------------------------------------------------- (insert social security or taxpayer INSERT SOCIAL SECURITY OR TAXPAYER I.D. or other identifying number of assigneeOR OTHER IDENTIFYING NUMBER OF ASSIGNEE) ___________________________________________----------------------------------------------------------------------------- ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- (INSERT ADDRESS INCLUDING ZIP CODE OF ASSIGNEE) the within Corporate PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing _____________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (insert address including zip code of assignee) the within Corporate PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing ________________________________________ attorney to transfer said Corporate PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ ______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ___________________________________ SETTLEMENT INSTRUCTIONS The undersigned Holder directs that a certificate for shares of Common Stock deliverable upon settlement on the Purchase Contract Settlement Date of the Purchase Contracts relating to the number of Corporate PIES evidenced by this Corporate PIES Certificate be registered in the name of, and delivered, together with a check in payment for any fractional share, to the undersigned at the address indicated below unless a different name and address have been indicated below. If shares are to be registered in the name of a Person other than the undersigned, the undersigned agrees to pay any transfer tax payable incident thereto. Dated: __________________ ________________________________ Signature Signature Guarantee: ___________ (if assigned to another person) REGISTERED HOLDER Please print name and address of Registered Holder: ------------------------------------------------------------------------------ (INSERT NAME) ------------------------------------------------------------------------------ (INSERT ADDRESS) ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) ------------------------------------- If shares are to be registered in the name of and delivered to a Person other than the Holder, please (i) print such Person's name and address and (ii) provide a guarantee of your signature: ------------------------------------------------------------------------------- (INSERT NAME) ------------------------------------------------------------------------------- (INSERT ADDRESS) ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) ELECTION TO SETTLE EARLY The undersigned Holder of this Corporate PIES Certificate hereby irrevocably exercises the option to effect [Early Settlement] [Merger Early Settlement] in accordance with the terms of the Purchase Contract Agreement with respect to the Purchase Contracts relating to the number of Corporate PIES evidenced by this Corporate PIES Certificate specified below. The undersigned Holder directs that a certificate for shares of Common Stock deliverable upon such [Early Settlement] [Merger Early Settlement] be registered in the name of, and delivered, together with a check in payment for any fractional share and any Corporate PIES Certificate representing any Corporate PIES evidenced hereby as to which [Early Settlement][Merger Early Settlement]of the related Purchase Contracts is not effected, to the undersigned at the address indicated below unless a different name and address have been indicated below. Pledged Senior Notes deliverable upon such [Early Settlement][Merger Early Settlement] will be transferred in accordance with the transfer instructions set forth below. If shares are to be registered in the name of a Person other than the undersigned, the undersigned agrees to pay any transfer tax payable incident thereto. ---------------------------------- Signature Dated:________________________ Signature Guarantee:________________________ Number of PIES evidenced hereby as to which [Early Settlement] [Merger Early Settlement] of the related Purchase Contracts is being elected: REGISTERED HOLDER Please print name and address of Registered Holder: ------------------------------------------------------------------------------ (INSERT NAME) ------------------------------------------------------------------------------ (INSERT ADDRESS) ------------------------------------------------------------------------------ If shares of Common Stock or Corporate PIES Certificates are to be registered in the name of and delivered to, and Pledged Senior Notes are to be transferred to, a Person other than the Holder, please print such Person's name and address: ------------------------------------------------------------------------------- (INSERT NAME) ------------------------------------------------------------------------------- (INSERT ADDRESS) ------------------------------------------------------------------------------- (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) Transfer Instructions for Pledged Senior Notes Transferable Upon [Early Settlement][Merger Early Settlement]: ------------------------------------------------------------------------------- [TO BE ATTACHED TO GLOBAL CERTIFICATES] SCHEDULE OF INCREASES OR DECREASES IN GLOBAL CERTIFICATE The following increases or decreases in this Global Certificate have been made:

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent Agen at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As tenants in common TEN ENT - As tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (minor) _____________________ Under Uniform Gifts to Minors Act of _______________ Additional abbreviations may also be used though not in the above list. ____________________________ ------------------------- FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ (insert name of assigneeINSERT NAME OF ASSIGNEE) ________________________________________________________________________________ (insert social security or taxpayer INSERT SOCIAL SECURITY OR TAXPAYER I.D. or other identifying number of assigneeOR OTHER IDENTIFYING NUMBER OF ASSIGNEE) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (insert address including zip code of assigneeINSERT ADDRESS INCLUDING ZIP CODE OF ASSIGNEE) the within Corporate PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing ________________________________________ attorney to transfer said Corporate PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ ______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ___________________________________ SETTLEMENT INSTRUCTIONS The undersigned Holder directs that a certificate for shares of Common Stock deliverable upon settlement on the Purchase Contract Settlement Date of the Purchase Contracts relating to the number of Corporate PIES evidenced by this Corporate PIES Certificate be registered in the name of, and delivered, together with a check in payment for any fractional share, to the undersigned at the address indicated below unless a different name and address have been indicated below. If shares are to be registered in the name of a Person other than the undersigned, the undersigned agrees to pay any transfer tax payable incident thereto. Dated: _______________________ _____________________________________ Signature Signature Guarantee: (if assigned to another person) REGISTERED HOLDER Please print name and address of Registered Holder: ________________________________________________________________________________ (INSERT NAME) ________________________________________________________________________________ (INSERT ADDRESS) ________________________________________________________________________________ ________________________________________________________________________________ (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) ------------------------------------- If shares are to be registered in the name of and delivered to a Person other than the Holder, please (i) print such Person's name and address and (ii) provide a guarantee of your signature: ________________________________________________________________________________ (INSERT NAME) ________________________________________________________________________________ (INSERT ADDRESS) ________________________________________________________________________________ ________________________________________________________________________________ (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) ELECTION TO SETTLE EARLY The undersigned Holder of this Corporate PIES Certificate hereby irrevocably exercises the option to effect Early Settlement in accordance with the terms of the Purchase Contract Agreement with respect to the Purchase Contracts relating to the number of Corporate PIES evidenced by this Corporate PIES Certificate specified below. The undersigned Holder directs that a certificate for shares of Common Stock deliverable upon such Early Settlement be registered in the name of, and delivered, together with a check in payment for any fractional share and any Corporate PIES Certificate representing any Corporate PIES evidenced hereby as to which Early Settlement of the related Purchase Contracts is not effected, to the undersigned at the address indicated below unless a different name and address have been indicated below. Pledged Senior Notes deliverable upon such Early Settlement will be transferred in accordance with the transfer instructions set forth below. If shares are to be registered in the name of a Person other than the undersigned, the undersigned agrees to pay any transfer tax payable incident thereto. __________________________________ Signature Dated: ________________________________ Signature Guarantee: _____________________________ Number of PIES evidenced hereby as to which Early Settlement of the related Purchase Contracts is being elected: REGISTERED HOLDER Please print name and address of Registered Holder: ________________________________________________________________________________ (INSERT NAME) ________________________________________________________________________________ (INSERT ADDRESS) ________________________________________________________________________________ If shares of Common Stock or Corporate PIES Certificates are to be registered in the name of and delivered to, and Pledged Senior Notes are to be transferred to, a Person other than the Holder, please print such Person's name and address: ________________________________________________________________________________ (INSERT NAME) ________________________________________________________________________________ (INSERT ADDRESS) ________________________________________________________________________________ (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) Transfer Instructions for Pledged Senior Notes Transferable Upon Early Settlement: ________________________________________________________________________________ [TO BE ATTACHED TO GLOBAL CERTIFICATES] SCHEDULE OF INCREASES OR DECREASES IN GLOBAL CERTIFICATE The following increases or decreases in this Global Certificate have been made:

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As as tenants in common TEN ENT - As as tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (for ( minor) _____________________ Under Uniform Gifts to Minors Act of _______________ (State) Additional abbreviations may also be used though not in the above list. ____________________________ FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ (insert name of assignee) ________________________________________________________________________________ (insert social security or taxpayer I.D. or other identifying number of assignee) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (insert address including zip code of assignee) the within Corporate Treasury PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing ________________________________________ attorney to transfer said Corporate Treasury PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ _______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ___________________________________Signature

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As tenants in common TEN ENT - As tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (minor) )______________________________ Under Uniform Gifts to Minors Act of _______________ Additional abbreviations may also be used though not in the above list. ____________________________ FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ (insert name of assignee) ________________________________________________________________________________ (insert social security or taxpayer I.D. or other identifying number of assignee) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (insert address including zip code of assignee) the within Corporate PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing ________________________________________ attorney to transfer said Corporate PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ ______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ___________________________________

COPIES OF PURCHASE CONTRACT AGREEMENT. A copy of the Purchase Contract Agreement is available for inspection at the offices of the Purchase Contract Agent at its address set forth in Section 1.5 of the Purchase Contract Agreement. ABBREVIATIONS The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - As as tenants in common TEN ENT - As as tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT - (cust) Custodian (for ( minor) _____________________ Under Uniform Gifts to Minors Act of _______________ (State) Additional abbreviations may also be used though not in the above list. ____________________________ ------------------------- FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto ________________________________________________________________________________ ------------------------------------------------------------------------------ (insert name of assigneeINSERT NAME OF ASSIGNEE) ________________________________________________________________________________ ------------------------------------------------------------------------------ (insert social security or taxpayer INSERT SOCIAL SECURITY OR TAXPAYER I.D. or other identifying number of assigneeOR OTHER IDENTIFYING NUMBER OF ASSIGNEE) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ------------------------------------------------------------------------------ (insert address including zip code of assigneeINSERT ADDRESS INCLUDING ZIP CODE OF ASSIGNEE) the within Corporate Treasury PIES Certificates and all rights thereunder, hereby irrevocably constituting and appointing ________________________________________ attorney to transfer said Corporate Treasury PIES Certificates on the books of Sierra Pacific Resources with full power of substitution in the premises. Dated: ___________________ ______________________________________________ Signature NOTICE: The signature to this assignment must correspond with the name as it appears upon the face of the within Corporate Treasury PIES Certificates in every particular, without alteration or enlargement or any change whatsoever. Signature Guarantee: ___________________________________ SETTLEMENT INSTRUCTIONS The undersigned Holder directs that a certificate for shares of Common Stock deliverable upon settlement on or after the Purchase Contract Settlement Date of the Purchase Contracts relating to the number of Treasury PIES evidenced by this Treasury PIES Certificate be registered in the name of, and delivered, together with a check in payment for any fractional share, to the undersigned at the address indicated below unless a different name and address have been indicated below. If shares are to be registered in the name of a Person other than the undersigned, the undersigned agrees to pay any transfer tax payable incident thereto. Dated: _______________________ __________________________________ Signature Signature Guarantee: _____________ (if assigned to another person) REGISTERED HOLDER Please print name and address of Registered Holder: ---------------------------------------------------------------------------- (INSERT NAME) ---------------------------------------------------------------------------- (INSERT ADDRESS) ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) ---------------------------------- If shares are to be registered in the name of and delivered to a Person other than the Holder, please (i) print such Person's name and address and (ii) provide a guarantee of your signature: ---------------------------------------------------------------------------- (INSERT NAME) ---------------------------------------------------------------------------- (INSERT ADDRESS) ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) ELECTION TO SETTLE EARLY The undersigned Holder of this Treasury PIES Certificate irrevocably exercises the option to effect Early Settlement in accordance with the terms of the Purchase Contract Agreement with respect to the Purchase Contracts relating to the number of Treasury PIES evidenced by this Treasury PIES Certificate specified below. The undersigned Holder directs that a certificate for shares of Common Stock deliverable upon such Early Settlement be registered in the name of, and delivered, together with a check in payment for any fractional share and any Treasury PIES Certificate representing any Treasury PIES evidenced hereby as to which Early Settlement of the related Purchase Contracts is not effected, to the undersigned at the address indicated below unless a different name and address have been indicated below. Pledged Treasury Securities deliverable upon such Early Settlement will be transferred in accordance with the transfer instructions set forth below. If shares are to be registered in the name of a Person other than the undersigned, the undersigned agrees to pay any transfer tax payable incident thereto. -------------------------------- Signature Dated: _________________________ Signature Guarantee: ___________ Number of PIES evidenced hereby as to which Early Settlement of the related Purchase Contracts is being elected: REGISTERED HOLDER Please print name and address of Registered Holder: ---------------------------------------------------------------------------- (INSERT NAME) ---------------------------------------------------------------------------- (INSERT ADDRESS) ---------------------------------------------------------------------------- If shares of Common Stock or Treasury PIES Certificates are to be registered in the name of and delivered to, and Pledged Treasury Securities are to be transferred to, a Person other than the Holder, please print such Person's name and address: ---------------------------------------------------------------------------- (INSERT NAME) ---------------------------------------------------------------------------- (INSERT ADDRESS) ---------------------------------------------------------------------------- (INSERT SOCIAL SECURITY OR OTHER TAXPAYER IDENTIFICATION NUMBER, IF ANY) Transfer Instructions for Pledged Treasury Securities Transferable Upon Early Settlement: ---------------------------------------------------------------------------- [TO BE ATTACHED TO GLOBAL CERTIFICATES] SCHEDULE OF INCREASES OR DECREASES IN GLOBAL CERTIFICATE The following increases or decreases in this Global Certificate have been made: