Common use of Consent of Partners Clause in Contracts

Consent of Partners. Each Partner hereby expressly consents and agrees that, whenever in this Agreement it is specified that an action may be taken upon the affirmative vote or consent of less than all of the Partners, such action may be so taken upon the concurrence of less than all of the Partners and each Partner shall be bound by the results of such action. The parties hereto have executed this Agreement as of the date first written above. GENERAL PARTNER: MARKWEST ENERGY GP, L.L.C. By: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer LIMITED PARTNERS: All Limited Partners now and hereafter admitted as Limited Partners of the Partnership, pursuant to powers of attorney now and hereafter executed in favor of, and granted and delivered to the General Partner. MARKWEST ENERGY GP, L.L.C. By: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer MARKWEST HYDROCARBON, INC. By: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer No. Common Units In accordance with Section 4.1 of the Third Amended and Restated Agreement of Limited Partnership of MarkWest Energy Partners, L.P., as amended, supplemented or restated from time to time (the "Partnership Agreement"), MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), hereby certifies that (the "Holder") is the registered owner of Common Units representing limited partner interests in the Partnership (the "Common Units") transferable on the books of the Partnership, in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed and accompanied by a properly executed application for transfer of the Common Units represented by this Certificate. The rights, preferences and limitations of the Common Units are set forth in, and this Certificate and the Common Units represented hereby are issued and shall in all respects be subject to the terms and provisions of, the Partnership Agreement. Copies of the Partnership Agreement are on file at, and will be furnished without charge on delivery of written request to the Partnership at, the principal office of the Partnership located at 000 Xxxxxxxxx Xxxxx Xxxx, Xxxxx 000, Xxxxxxxxx, Xxxxxxxx 00000. Capitalized terms used herein but not defined shall have the meanings given them in the Partnership Agreement. The Holder, by accepting this Certificate, is deemed to have (i) requested admission as, and agreed to become, a Limited Partner and to have agreed to comply with and be bound by and to have executed the Partnership Agreement, (ii) represented and warranted that the Holder has all right, power and authority and, if an individual, the capacity necessary to enter into the Partnership Agreement, (iii) granted the powers of attorney provided for in the Partnership Agreement and (iv) made the waivers and given the consents and approvals contained in the Partnership Agreement. This Certificate shall not be valid far any purpose unless it has been countersigned and registered by the Transfer Agent and Registrar. Dated: MarkWest Energy Partners, L.P. Countersigned and Registered by: By: MarkWest Energy GP, L.L.C., its General Partner By: as Transfer Agent and Registrar Name: By: By: Authorized Signature Secretary The following abbreviations, when used in the inscription on the face of this Certificate, shall be construed as follows according to applicable laws or regulations: TEN COM - as tenants in common UNIF GIFT/TRANSFERS MIN ACT TEN ENT - as tenants by the entireties (Cust) Custodian (Minor) JT TEN - as joint tenants with right of survivorship and not as tenants in common under Uniform Gifts/Transfers to CD Minors Act (State) Additional abbreviations, though not in the above list, may also be used. You have acquired an interest in MarkWest Energy Partners, L.P., 000 Xxxxxxxxx Xxxxx Xxxx, Xxxxx 000, Xxxxxxxxx, Xxxxxxxx 00000, whose taxpayer identification number is 00-0000000. The Internal Revenue Service has issued MarkWest Energy Partners, L.P. the following tax shelter registration number: . YOU MUST REPORT THIS REGISTRATION NUMBER TO THE INTERNAL REVENUE SERVICE IF YOU CLAIM ANY DEDUCTION, LOSS, CREDIT OR OTHER TAX BENEFIT OR REPORT ANY INCOME BY REASON OF YOUR INVESTMENT IN MARKWEST ENERGY PARTNERS, L.P. You must report the registration number as well as the name and taxpayer identification number of MarkWest Energy Partners, L.P. on Form 8271. FORM 8271 MUST BE ATTACHED TO THE RETURN ON WHICH YOU CLAIM THE DEDUCTION, LOSS, CREDIT OR OTHER TAX BENEFIT OR REPORT ANY INCOME BY REASON OF YOUR INVESTMENT IN MARKWEST ENERGY PARTNERS, L.P. If you transfer your interest in MarkWest Energy Partners, L.P. to another person, you are required by the Internal Revenue Service to keep a list containing (a) that person's name, address and taxpayer identification number, (b) the date on which you transferred the interest and (c) the name, address and tax shelter registration number of MarkWest Energy Partners, L.P. If you do not want to keep such a list, you must (1) send the information specified above to the Partnership, which will keep the list for this tax shelter, and (2) give a copy of this notice to the person to whom you transfer your interest. Your failure to comply with any of the above-described responsibilities could result in the imposition of a penalty under Section 6707(b) or 6708(a) of the Internal Revenue Code of 1986, as amended, unless such failure is shown to be due to reasonable cause. ISSUANCE OF A REGISTRATION NUMBER DOES NOT INDICATE THAT THIS INVESTMENT OR THE CLAIMED TAX BENEFITS HAVE BEEN REVIEWED, EXAMINED OR APPROVED BY THE INTERNAL REVENUE SERVICE. FOR VALUE RECEIVED, hereby assigns, conveys, sells and transfers unto (Please print or typewrite name and address of Assignee) (Please insert Social Security or other identifying number of Assignee) Common Units representing limited partner interests evidenced by this Certificate, subject to the Partnership Agreement, and does hereby irrevocably constitute and appoint as its attorney-in-fact with full power of substitution to transfer the same on the books of MarkWest Energy Partners, L.P. Date: NOTE: The signature to any endorsement hereon must correspond with the name as written upon the face of this Certificate in every particular, without alteration, enlargement or change. (Signature) (Signature) No transfer of the Common Units evidenced hereby will be registered on the books of the Partnership, unless the Certificate evidencing the Common Units to be transferred is surrendered for registration or transfer and an Application for Transfer of Common Units has been executed by a transferee either (a) on the form set forth below or (b) on a separate application that the Partnership will furnish on request without charge. A transferor of the Common Units shall have no duty to the transferee with respect to execution of the transfer application in order for such transferee to obtain registration of the transfer of the Common Units.

Consent of Partners. Each Partner hereby expressly consents and agrees that, whenever in this Agreement it is specified that an action may be taken upon the affirmative vote or consent of less than all of the Partners, such action may be so taken upon the concurrence of less than all of the Partners and each Partner shall be bound by the results of such action. The parties hereto have executed this Agreement as of the date first written above. GENERAL PARTNER: MARKWEST ENERGY GP, L.L.C. By: /S/ NXXXX XXXXX Name: Xxxxx Nxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer LIMITED PARTNERS: All Limited Partners now and hereafter admitted as Limited Partners of the Partnership, pursuant to powers of attorney now and hereafter executed in favor of, and granted and delivered to the General Partner. MARKWEST ENERGY GP, L.L.C. By: /S/ NXXXX XXXXX Name: Xxxxx Nxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer MARKWEST HYDROCARBON, INC. By: /S/ NXXXX XXXXX Name: Xxxxx Nxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer to the Third Amended and Restated Agreement of Limited Partnership of MarkWest Energy Partners, L.P. Certificate Evidencing Common Units Representing Limited Partner Interests in MarkWest Energy Partners, L.P. No. Common Units In accordance with Section 4.1 of the Third Amended and Restated Agreement of Limited Partnership of MarkWest Energy Partners, L.P., as amended, supplemented or restated from time to time (the "“Partnership Agreement"”), MarkWest Energy Partners, L.P., a Delaware limited partnership (the "“Partnership"”), hereby certifies that (the "“Holder"”) is the registered owner of Common Units representing limited partner interests in the Partnership (the "“Common Units"”) transferable on the books of the Partnership, in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed and accompanied by a properly executed application for transfer of the Common Units represented by this Certificate. The rights, preferences and limitations of the Common Units are set forth in, and this Certificate and the Common Units represented hereby are issued and shall in all respects be subject to the terms and provisions of, the Partnership Agreement. Copies of the Partnership Agreement are on file at, and will be furnished without charge on delivery of written request to the Partnership at, the principal office of the Partnership located at 000 Xxxxxxxxx 1000 Xxxxxxxx Xxxxxx, Xxxxx Xxxx0, Xxxxx 000, XxxxxxxxxXxxxxx, Xxxxxxxx 00000. Capitalized terms used herein but not defined shall have the meanings given them in the Partnership Agreement. The Holder, by accepting this Certificate, is deemed to have (i) requested admission as, and agreed to become, a Limited Partner and to have agreed to comply with and be bound by and to have executed the Partnership Agreement, (ii) represented and warranted that the Holder has all right, power and authority and, if an individual, the capacity necessary to enter into the Partnership Agreement, (iii) granted the powers of attorney provided for in the Partnership Agreement and (iv) made the waivers and given the consents and approvals contained in the Partnership Agreement. This Certificate shall not be valid far any purpose unless it has been countersigned and registered by the Transfer Agent and Registrar. Dated: MarkWest Energy Partners, L.P. Countersigned and Registered by: By: MarkWest Energy GP, L.L.C., its General Partner By: as Transfer Agent and Registrar Name: By: By: Authorized Signature Secretary The following abbreviations, when used in the inscription on the face of this Certificate, shall be construed as follows according to applicable laws or regulations: TEN COM - as tenants in common UNIF GIFT/TRANSFERS MIN ACT TEN ENT - as tenants by the entireties Custodian (Cust) Custodian (Minor) JT TEN - as joint tenants with right of survivorship and not as tenants in common under Uniform Gifts/Transfers to CD Minors Act (State) Additional abbreviations, though not in the above list, may also be used. You have acquired an interest in MarkWest Energy Partners, L.P., 000 Xxxxxxxxx 1000 Xxxxxxxx Xxxxxx, Xxxxx Xxxx0, Xxxxx 000, XxxxxxxxxXxxxxx, Xxxxxxxx 00000, whose taxpayer identification number is 0020-0000000. The Internal Revenue Service has issued MarkWest Energy Partners, L.P. the following tax shelter registration number: number:02184000024. YOU MUST REPORT THIS REGISTRATION NUMBER TO THE INTERNAL REVENUE SERVICE IF YOU CLAIM ANY DEDUCTION, LOSS, CREDIT OR OTHER TAX BENEFIT OR REPORT ANY INCOME BY REASON OF YOUR INVESTMENT IN MARKWEST ENERGY PARTNERS, L.P. You must report the registration number as well as the name and taxpayer identification number of MarkWest Energy Partners, L.P. on Form 8271. FORM 8271 MUST BE ATTACHED TO THE RETURN ON WHICH YOU CLAIM THE DEDUCTION, LOSS, CREDIT OR OTHER TAX BENEFIT OR REPORT ANY INCOME BY REASON OF YOUR INVESTMENT IN MARKWEST ENERGY PARTNERS, L.P. If you transfer your interest in MarkWest Energy Partners, L.P. to another person, you are required by the Internal Revenue Service to keep a list containing (a) that person's ’s name, address and taxpayer identification number, (b) the date on which you transferred the interest and (c) the name, address and tax shelter registration number of MarkWest Energy Partners, L.P. If you do not want to keep such a list, you must (1) send the information specified above to the Partnership, which will keep the list for this tax shelter, and (2) give a copy of this notice to the person to whom you transfer your interest. Your failure to comply with any of the above-described responsibilities could result in the imposition of a penalty under Section 6707(b) or 6708(a) of the Internal Revenue Code of 1986, as amended, unless such failure is shown to be due to reasonable cause. ISSUANCE OF A REGISTRATION NUMBER DOES NOT INDICATE THAT THIS INVESTMENT OR THE CLAIMED TAX BENEFITS HAVE BEEN REVIEWED, EXAMINED OR APPROVED BY THE INTERNAL REVENUE SERVICE. FOR VALUE RECEIVED, hereby assigns, conveys, sells and transfers unto (Please print or typewrite name and address of Assignee) (Please insert Social Security or other and address of Assignee) identifying number of Assignee) Common Units representing limited partner interests evidenced by this Certificate, subject to the Partnership Agreement, and does hereby irrevocably constitute and appoint as its attorney-in-fact with full power of substitution to transfer the same on the books of MarkWest Energy Partners, L.P. Date: NOTE: The signature to any endorsement hereon must correspond with the name as written upon the face of this Certificate in every particular, without alteration, enlargement or change. (Signature) (Signature) No transfer of the Common Units evidenced hereby will be registered on the books of the Partnership, unless the Certificate evidencing the Common Units to be transferred is surrendered for registration or transfer and an Application for Transfer of Common Units has been executed by a transferee either (a) on the form set forth below or (b) on a separate application that the Partnership will furnish on request without charge. A transferor of the Common Units shall have no duty to the transferee with respect to execution of the transfer application in order for such transferee to obtain registration of the transfer of the Common Units.

Consent of Partners. Each Partner hereby expressly consents and agrees that, whenever in this Agreement it is specified that an action may be taken upon the affirmative vote or consent of less than all of the Partners, such action may be so taken upon the concurrence of less than all of the Partners and each Partner shall be bound by the results of such action. The 102 the parties hereto have executed this Agreement as of the date first written above. GENERAL PARTNER: MARKWEST ENERGY GP, L.L.C. By: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer LIMITED PARTNERSBy: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer All Limited Partners now and hereafter admitted as Limited Partners of the Partnership, pursuant to powers of attorney now and hereafter executed in favor of, and granted and delivered to the General Partner. MARKWEST ENERGY GP, L.L.C. By: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer MARKWEST HYDROCARBON, INC. By: Name: Xxxxx Xxxxx Title: Senior Vice President and Chief Financial Officer No. Common Units In accordance with Section 4.1 of the Third Amended and Restated Agreement of Limited Partnership of MarkWest Energy PartnersEnergyPartners, L.P., as amended, supplemented or restated from time to time (the "“Partnership Agreement"”), MarkWest Energy PartnersEnergyPartners, L.P., a Delaware limited partnership (the "“Partnership"”), hereby certifies that (the "“Holder"”) is the registered owner of Common Units representing limited partner interests in the Partnership (the "“Common Units"”) transferable on the books of the Partnership, in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed and accompanied by a properly executed application for transfer of the Common Units represented by this Certificate. The rights, preferences and limitations of the Common Units are set forth in, and this Certificate and the Common Units represented hereby are issued and shall in all respects be subject to the terms and provisions of, the Partnership Agreement. Copies of the Partnership Agreement are on file at, and will be furnished without charge on delivery of written request to the Partnership at, the principal office of the Partnership located at 000 Xxxxxxxxx Xxxxx Xxxx, Xxxxx 000, Xxxxxxxxx, Xxxxxxxx 00000. Capitalized terms used herein but not defined shall have the meanings given them in the Partnership Agreement. The Holder, by accepting this Certificate, is deemed to have (i) requested admission as, and agreed to become, a Limited Partner and to have agreed to comply with and be bound by and to have executed the Partnership Agreement, (ii) represented and warranted that the Holder has all right, power and authority and, if an individual, the capacity necessary to enter into the Partnership Agreement, (iii) granted the powers of attorney provided for in the Partnership Agreement and (iv) made the waivers and given the consents and approvals contained in the Partnership Agreement. This Certificate shall not be valid far any purpose unless it has been countersigned and registered by the Transfer Agent and Registrar. Dated: MarkWest Energy Partners, L.P. Countersigned and Registered by: By: MarkWest Energy GP, L.L.C., its General Partner By: as Transfer Agent and Registrar Name: By: By: Authorized Signature Secretary The following abbreviations, when used in the inscription on the face of this Certificate, shall be construed as follows according to applicable laws or regulations: TEN COM - as tenants in common UNIF GIFT/TRANSFERS MIN ACT TEN ENT - as tenants by the entireties (Cust) Custodian (Minor) JT TEN - as joint tenants with right of survivorship and not as tenants in common under Uniform Gifts/Transfers to CD survivorship and not as Minors Act (State) tenants in common Additional abbreviations, though not in the above list, may also be used. You have acquired an interest in MarkWest Energy PartnersEnergyPartners, L.P., 000 Xxxxxxxxx Xxxxx Xxxx, Xxxxx 000, Xxxxxxxxx, Xxxxxxxx 00000, whose taxpayer identification number is 00-0000000[ ]. The Internal Revenue Service has issued MarkWest Energy PartnersEnergyPartners, L.P. the following tax shelter registration number: . YOU MUST REPORT THIS REGISTRATION NUMBER TO THE INTERNAL REVENUE SERVICE IF YOU CLAIM ANY DEDUCTION, LOSS, CREDIT OR OTHER TAX BENEFIT OR REPORT ANY INCOME BY REASON OF YOUR INVESTMENT IN MARKWEST ENERGY PARTNERS, L.P. You must report the registration number as well as the name and taxpayer identification number of MarkWest Energy Partners, L.P. on Form 8271. FORM 8271 MUST BE ATTACHED TO THE RETURN ON WHICH YOU CLAIM THE DEDUCTION, LOSS, CREDIT OR OTHER TAX BENEFIT OR REPORT ANY INCOME BY REASON OF YOUR INVESTMENT IN MARKWEST ENERGY PARTNERS, L.P. If you transfer your interest in MarkWest Energy PartnersEnergyPartners, L.P. to another person, you are required by the Internal Revenue Service to keep a list containing (a) that person's ’s name, address and taxpayer identification number, (b) the date on which you transferred the interest and (c) the name, address and tax shelter registration number of MarkWest Energy PartnersEnergyPartners, L.P. If you do not want to keep such a list, you must (1) send the information specified above to the Partnership, which will keep the list for this tax shelter, and (2) give a copy of this notice to the person to whom you transfer your interest. Your failure to comply with any of the above-described responsibilities could result in the imposition of a penalty under Section 6707(b) or 6708(a) of the Internal Revenue Code of 1986, as amended, unless such failure is shown to be due to reasonable cause. ISSUANCE OF A REGISTRATION NUMBER DOES NOT INDICATE THAT THIS INVESTMENT OR THE CLAIMED TAX BENEFITS HAVE BEEN REVIEWED, EXAMINED OR APPROVED BY THE INTERNAL REVENUE SERVICE. FOR VALUE RECEIVED, hereby assigns, conveys, sells and transfers unto (Please print or typewrite name and address of Assignee) (Please insert Social Security or other and address of Assignee) identifying number of Assignee) Common Units representing limited partner interests evidenced by this Certificate, subject to the Partnership Agreement, and does hereby irrevocably constitute and appoint as its attorney-in-fact with full power of substitution to transfer the same on the books of MarkWest Energy PartnersEnergyPartners, L.P. Date: NOTE: The signature to any endorsement hereon must correspond with the name as written upon the face of this Certificate in every particular, without alteration, enlargement or change. GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS (Signature) CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17d-15 (Signature) No transfer of the Common Units evidenced hereby will be registered on the books of the Partnership, unless the Certificate evidencing the Common Units to be transferred is surrendered for registration or transfer and an Application for Transfer of Common Units has been executed by a transferee either (a) on the form set forth below or (b) on a separate application that the Partnership will furnish on request without charge. A transferor of the Common Units shall have no duty to the transferee with respect to execution of the transfer application in order for such transferee to obtain registration of the transfer of the Common Units.