**Exhibit 10.01.1**

FIRST AMENDMENT TO CREDIT AGREEMENT, dated as of December 22, 2015 (this “Amendment”), among GRAÑA Y MONTERO S.A.A., as borrower(the “Borrower”) under the Credit Agreement, dated as of December 10, 2015 (as amended, amended and restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), among the Borrower,the Lenders and the Administrative Agent (each as defined below); the LENDERS party to the Credit Agreement (collectively, the “Lenders”) and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as administrative agent under the CreditAgreement (in such capacity, the “Administrative Agent”). 

WHEREAS, the Borrower has requested the Lenders to amendcertain provisions of the Credit Agreement and the Lenders are agreeable to such request upon the terms and subject to the conditions set forth herein. 

NOW THEREFORE, in consideration of the premises and the agreements, provisions and covenants set forth herein, the parties hereto agree asfollows: 

ARTICLE I 

RATIFICATION; DEFINITIONS AND RULES OF CONSTRUCTION 

Section 1.1 Relation to Credit Agreement; Ratification. This Amendment is entered into in accordance withSection 9.2(b) of the Credit Agreement and constitutes an integral part of the Credit Agreement. Except as amended by this Amendment, the provisions of the Credit Agreement are in all respects ratified and confirmed andshall remain in full force and effect. 

Section 1.2 Definitions. Unless otherwise defined herein, terms defined in the CreditAgreement (as amended by this Amendment) are used herein as therein defined, and the rules of interpretation set forth in Section 1.2 of the Credit Agreement shall apply *mutatis mutandis*to this Amendment. 

ARTICLE II 

AMENDMENTS ANDWAIVER TO CREDIT AGREEMENT 

Section 2.1 Amendments to Credit Agreement. Effective as of the Amendment Effective Date (asdefined below), 

(a) Section 4.1 of the Credit Agreement is hereby amended by replacing the reference to “December 22, 2015”therein with “January 8, 2016;” 

(b) Section 4.1(f)(i) of the Credit Agreement is hereby amended by replacing the reference to“60 days” therein with “75 days;” 

(c) Section 4.1(f)(ii) of the Credit Agreement is hereby amended by replacing thereference to “30 days” therein with “45 days;” and 

(d) Section 4.2 of the Credit Agreement is hereby amended by addingthe following new clause (q) at the end thereof: 

*“(q) Date of Borrowings on the Closing Date. With respect to thefirst borrowing of the Loans hereunder, the Borrowing Date in respect of such borrowing shall fall on or after January 4, 2016.”*

ARTICLE III 

REPRESENTATIONSAND WARRANTIES 

The Borrower represents and warrants to the Administrative Agent and the Lenders that: 

Section 3.1 Authorization. Enforceability. The execution, delivery and performance by the Borrower of this Amendment is within suchPerson’s corporate powers and has been duly authorized by all necessary corporate and, if required, by all necessary shareholder action. This Amendment has been duly executed and delivered by the Borrower and constitutes a legal, valid andbinding obligation of the Borrower, enforceable against the Borrower in accordance with its terms, except as enforceability may be limited by applicable bankruptcy, insolvency, moratorium or similar laws affecting the enforcement of creditors’rights generally, or by equitable principles relating to enforceability (regardless of whether enforcement thereof is sought in a proceeding at law or in equity). 

Section 3.2 Governmental Approvals, No Conflict. 

(a) All governmental authorizations, if any, and actions of any kind necessary for the due execution, delivery and performance by the Borrowerof this Amendment, or required for the validity or enforceability against the Borrower of this Amendment, have been obtained or performed and are valid and subsisting in full force and effect, and the performance thereof as well as the continuingobligations of the Borrower in connection therewith do not require any consent or approval of, registration or filing with, or any other action by, any Governmental Authority. 

(b) This Amendment, the performance thereof and the continuing obligations of the Borrower under or in connection with this Amendment do notand will not violate any Applicable Law, judgment, award, injunction, or similar legal restriction or the memorandum and articles of association, charter, by-laws,*estatuto social*or otherorganizational documents of the Borrower or any order of any Governmental Authority. 

ARTICLE IV 

CONDITIONS TO EFFECTIVENESS 

Section 4.1 Conditions to Effectiveness. This Amendment shall become effective on the date hereof (the “AmendmentEffective Date”), subject to the satisfaction of each of the following conditions on or prior to such date in a manner satisfactory to the Administrative Agent and the Lenders: 

(a) Execution of Amendment. The Administrative Agent shall have received a true, correct and complete copy of this Amendment, dulyexecuted and delivered by a duly authorized officer of each party hereto. 

 
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(b) No Material Adverse Effect. No event, development or circumstance shall have occurredthat has had or could reasonably be expected to have a Material Adverse Effect. 

(c) Taxes. All applicable taxes and stamp dutiesdue and payable, if any, arising in connection with the execution, delivery and performance of this Amendment, and the other Financing Documents shall have been paid in full. 

ARTICLE V 

MISCELLANEOUS

Section 5.1 Notices. All notices, requests and other communications to any party hereto shall be given or served in themanner contemplated in Section 9.1 of the Credit Agreement. 

Section 5.2 No Waiver; Status of Financing Documents. ThisAmendment shall not constitute an amendment, supplement or waiver of any provision of the Credit Agreement not expressly referred to herein and shall not be construed as an amendment, supplement, waiver or consent to any action on the part of anyparty hereto that would require an amendment, supplement, waiver or consent of the Lenders except as expressly stated herein. Except as expressly amended, supplemented or waived hereby, the provisions of the Credit Agreement are and shall remain infull force and effect. No failure or delay on the part of the Lenders in the exercise of any power, right or privilege hereunder or under any other Financing Document shall impair such power, right or privilege or be construed to be a waiver of anydefault or acquiescence therein, nor shall any single or partial exercise of any such power, right or privilege preclude other or further exercise thereof or of any other power, right or privilege. All rights and remedies existing under thisAmendment and the other Financing Documents are cumulative to, and not exclusive of, any rights or remedies available at equity or law. Nothing in this Amendment shall constitute a novation of the Borrowers’ obligations under the CreditAgreement or any other Financing Document. 

Section 5.3 Amendment. This Amendment may be amended, waived, discharged orterminated only by an instrument in writing signed by the party against which enforcement of such change, waiver, discharge or termination is sought. 

Section 5.4 Amendment Binding. This Amendment shall be binding upon and inure to the benefit of and be enforceable by the partieshereto and the respective successors and permitted assigns of the parties hereto. 

Section 5.5 Headings. Section headings usedherein are for convenience of reference only, are not part of this Amendment and shall not affect the construction of, or be taken into consideration in interpreting, this Amendment. 

Section 5.6 Governing Law. This Amendment shall be governed by, and construed in accordance with, the laws of the State of NewYork, without regard to its conflicts of laws principles. 

 
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Section 5.7 Counterparts. This Amendment may be executed in counterparts (and bydifferent parties hereto in different counterparts), each of which shall constitute an original, but all of which when taken together shall constitute a single contract. Delivery of an executed counterpart of a signature page of this Amendment by e-mail in portable document format (.pdf) or facsimile (with acknowledgment of receipt) will be effective as delivery of a manually executed counterpart of this Amendment. 

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Signature Page 

First Amendment to Credit Agreement 

 
IN WITNESS WHEREOF, the parties have caused this Amendment to be duly executed and deliveredas of the day and year first above written. 

 
Yours truly,
GRAÑA Y MONTERO S.A.A.,

asBorrower
By: 
/s/ Luis Díaz Olivero
 Name: Luis Díaz Olivero Title: Chief Operating OfficerBy: 
/s/ Mónica Miloslavich Hart
 Name: Mónica Miloslavich Hart Title: Chief Financial Officer

Signature Page 

First Amendment to Credit Agreement 

 CREDIT SUISSE AG, CAYMAN ISLANDS
BRANCH,

as AdministrativeAgent
By: 
/s/ Martin Cameo
 Name: Martin Cameo Title: Managing DirectorBy: 
/s/ Hieu Pham
 Name: Hieu Pham Title: Director

Signature Page 

First Amendment to Credit Agreement 

 CREDIT SUISSE AG, CAYMAN ISLANDS
BRANCH,

as Lender
By: 
/s/ Martin Cameo
 Name: Martin Cameo Title: Managing DirectorBy: 
/s/ Hieu Pham
 Name: Hieu Pham Title: Director