Document:

exv10w28

Exhibit 10.28

FIRST AMENDMENT TO LEASE

(CARBO Ceramics — Energy Center II)

     THIS FIRST AMENDMENT TO LEASE (“Amendment”) is dated effective and for identification purposes
as of January 15, 2010, and is made by and between I-10 EC CORRIDOR #2 LIMITED PARTNERSHIP, a
Delaware limited partnership (“Landlord”), and CARBO CERAMICS INC., a Delaware corporation
(“Tenant”).

RECITALS:

     WHEREAS, Landlord and Tenant entered into that certain Lease Agreement dated January 20, 2009
(“Lease”), pertaining to the premises currently comprised of a total of approximately 22,159
rentable square feet of space, commonly referred to as Suite 300 (“Original Premises”), of 575
North Dairy Ashford, Houston, Texas 77079 (“Building”); and

     WHEREAS, Tenant has exercised its Right of Refusal under Section 3 of the Rider to the Lease,
and Tenant has no further rights pursuant to such section;

     WHEREAS, Landlord and Tenant desire to enter into this Amendment to expand the Original
Premises as a consequence of Tenant exercising its Right of Refusal and provide for certain other
matters as more fully set forth herein;

     NOW, THEREFORE, in consideration of the foregoing and the mutual covenants contained herein
the receipt and sufficiency of which are hereby acknowledged and confessed, the parties agree that
the Lease shall be amended in accordance with the terms and conditions set forth below.

     1. Definitions. The capitalized terms used herein shall have the same definition as
set forth in the Lease, unless otherwise defined herein.

     2. Expansion.

          (a) Expansion Premises. The term “Expansion Premises” is hereby defined to be and to
mean that certain space located on the 3rd floor of the Building consisting of
approximately 5,100 rentable square feet of space (which is the final agreement of the parties and
not subject to adjustment), as outlined on Exhibit A, attached hereto and incorporated
herein by this reference. Accordingly, effective as of the Expansion Commencement Date, the
Premises, as expanded, shall be deemed to consist of a collective total of approximately 27,259
rentable square feet of space.

          (b) Expansion Commencement Date. The term “Expansion Commencement Date” is hereby
defined to be and to mean the earlier of (i) April 15, 2010 or (ii) the date on which Tenant
initially performs normal business operations from the Expansion Premises. If Tenant is allowed to
occupy, use, work in or otherwise enter the Expansion Premises prior to the applicable Expansion
Commencement Date, the terms and conditions of the Lease as hereby amended shall apply, except that
Tenant shall not be required to pay rent and other expenses for Building-standard services for any
period(s) prior to the applicable Expansion Commencement Date for the Expansion Premises.

          (c) Expansion Term. The term “Expansion Term” is hereby defined to be and to mean

 

 

that period of time commencing on the Expansion Commencement Date and expiring contemporaneously
with the Lease on the Expiration Date, as defined in Section 1.11 of the Lease.

          (d) Acceptance. Effective on the Expansion Commencement Date, Landlord hereby leases
to Tenant and Tenant hereby leases from Landlord, on the terms and conditions set forth in the
Lease and herein, the Expansion Premises. Tenant shall accept the Expansion Premises in its
present “as is” condition, provided that Landlord shall delivery the Expansion Premises
substantially consistent with Exhibit C-3 of the original Lease. Tenant shall complete the
work set forth in the Work Letter, attached hereto as Exhibit B and incorporated herein by
this reference.

          (e) Expansion Allowance. Landlord shall provide to Tenant an allowance equal to the
lesser of (i) Two Hundred Four Thousand and No/100 Dollars ($204,000.00) (i.e., $40.00 per rentable
square foot of space within the Expansion Premises), or (ii) the actual cost of Tenant
Improvements, as such term is defined in Work Letter (the “Expansion Allowance”). The Expansion
Allowance is subject to and shall be paid by Landlord pursuant to the terms and conditions of
Exhibit B. Notwithstanding anything to the contrary contained herein, Tenant may elect to
use the Expansion Allowance at any time prior to May 1, 2011 (provided that the final Draw Request,
as set forth in Section 10(b) of Exhibit B is delivered to Landlord on or before such
date).

     3. Base Rent. Tenant shall pay to Landlord Base Rent for the Expansion Premises,
which shall be payable in monthly installments as follows:

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	Annual	 	Expansion Premises	 	Original Premises	 	Total
	Dates	 	Rate/RSF	 	Monthly Installment	 	Monthly Installment	 	Monthly Installment
	05/01/10 — 06/30/10
	 	$	22.25	 	 	$	0.00	*	 	$	41,086.48	 	 	$	41,086.48	 
	07/01/10 — 10/31/10
	 	$	22.75	 	 	$	0.00	*	 	$	42,009.77	 	 	$	42,009.77	 
	11/01/10 — 06/30/11
	 	$	22.75	 	 	$	9,668.75	 	 	$	42,009.77	 	 	$	51,678.52	 
	07/01/11 — 06/30/12
	 	$	23.25	 	 	$	9,881.25	 	 	$	42,933.06	 	 	$	52,814.31	 
	07/01/12 — 06/30/13
	 	$	23.75	 	 	$	10,093.75	 	 	$	43,856.35	 	 	$	53,950.10	 
	07/01/13 — 06/30/14
	 	$	24.25	 	 	$	10,306.25	 	 	$	44,779.65	 	 	$	55,085.90	 
	07/01/14 — 06/30/15
	 	$	24.75	 	 	$	10,518.75	 	 	$	45,702.94	 	 	$	56,221.69	 
	07/01/15 — 06/30/16
	 	$	25.25	 	 	$	10,731.25	 	 	$	46,626.23	 	 	$	57,357.48	 

 

			
	*	 	Base Rent, Parking Rent and Tenant’s Proportionate Share of Operating Expenses and Taxes
applicable to the Expansion Premises shall be abated for the six (6) month period beginning on the
Expansion Commencement Date. Such abatement shall not apply to any amounts applicable to the
Original Premises or to any other amounts payable under the Lease, including, without limitation,
any overtime HVAC or separately metered utilities. In the event that the Expansion Commencement
Date is other than the first day of a calendar month, the first and last months of the abatement
period shall be prorated and the partial month shall be added to Month 7. Landlord and Tenant
agree that the abatement of rental and other payments contained in this Section is conditional and
is made by Landlord in reliance upon Tenant’s faithful and continued performance of the terms,
conditions and covenants of this Lease and the payment of all monies due Landlord hereunder. In
the event that Tenant defaults under the terms and conditions of the Lease, then the unamortized
portion of all conditionally abated rental shall become fully liquidated and immediately due and
payable (without limitation and in addition to any and all other rights and remedies available to
Landlord provided herein or at law and in equity).

Except as otherwise expressly set forth herein, Base Rent shall be payable pursuant to the terms
and conditions of Section 4 of the Lease.

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     4. Tenant’s Proportionate Share. Beginning on the Expansion Commencement Date,
Tenant’s Proportionate Share, as defined in Section 1.13 of the Lease, shall be increased from
7.251% to 8.920%, subject to the abatement of Operating Expenses and Taxes for the Expansion
Premises as set forth in Section 3 above.

     5. Tenant’s Parking Spaces. The number of Tenant’s Parking Spaces, as defined in
Section 1.18 of the Lease, shall be increased by twenty (20) spaces on the Expansion Commencement
Date. Accordingly, the total number of Tenant’s Parking Spaces shall be increased to 109 spaces.
None of the additional Parking Spaces shall be assigned or reserved; provided, however, that Tenant
shall have the right to convert twenty percent (20%) of such additional Parking Spaces (e.g., four
(4) of the Parking Spaces attributable to the Expansion Premises) to reserved Parking Spaces upon
thirty (30) days’ prior written notice to Landlord at no additional charge during the initial Lease
Term, the location of which shall be reasonably determined by Landlord following consultation with
Tenant.

     6. Extension Option. Tenant shall have the right to extend the Lease for the entire
Premises (as expanded) pursuant to the Extension Option set forth in Section 2 of the Rider to
Lease.

     7. Brokers. Tenant hereby represents and warrants to Landlord that Tenant has not
dealt with any real estate brokers or leasing agents, except CB Richard Ellis, Inc. and Studley,
Inc. (collectively, “Brokers”), in the negotiation of this Amendment, and that no commissions are
payable to any party claiming through Tenant as a result of the consummation of the transaction
contemplated by this Amendment, except to Brokers, if applicable. Tenant hereby agrees to
indemnify and hold Landlord harmless from any and all loss, costs, damages or expenses, including,
without limitation, all attorneys’ fees and disbursements by reason of any claim of or liability to
any other broker, agent, entity or person claiming through Tenant (other than Brokers) and arising
out of or in connection with the negotiation and execution of this Amendment.

     8. Miscellaneous. With the exception of those matters set forth in this Amendment,
Tenant’s leasing of the Premises shall be subject to all terms, covenants and conditions of the
Lease. In the event of any express conflict or inconsistency between the terms of this Amendment
and the terms of the Lease, the terms of this Amendment shall control and govern. Except as
expressly modified by this Amendment, all other terms and conditions of the Lease are hereby
ratified and affirmed. The parties acknowledge that the Lease is a valid and enforceable agreement
and that Tenant holds no claims against Landlord or its agents which might serve as the basis of
any other set-off against accruing rent and other charges or any other remedy at law or in equity.

[Remainder of Page Intentionally Left Blank]

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     IN WITNESS WHEREOF, the foregoing First Amendment to Lease is dated effective as of the date
and year first written above.

	 	 	 	 	 	 	 	 	 	 	 
	LANDLORD:	 	 	 	 	 	 	 	 
	I-10 EC CORRIDOR #2 LIMITED PARTNERSHIP, a Delaware limited partnership	 	 
	By:	 	TC HOUSTON, INC., a Delaware corporation, Managing Partner	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	By:

	 	/s/ W. Aaron Thielhorn	 	Date:
	 	January 29, 2010	 	 
	 	 	 	 	 	 	 	 	 
	 

	 	Name:	 	W. Aaron Thielhorn 	 	 	 	 	 	 
	 

	 	 	 	 	 	 	 	 	 	 
	 

	 	Title:	 	Vice President 	 	 	 	 	 	 
	 

	 	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	TENANT:	 	 	 	 	 	 	 	 
	CARBO CERAMICS INC.,	 	 	 	 
	a Delaware corporation	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	By:

	 	/s/ Gary A. Kolstad	 	Date:	 	January 25, 2010	 	 
	 	 	 	 	 	 	 	 	 
	 

	 	Name:	 	Gary A. Kolstad 	 	 	 	 	 	 
	 

	 	 	 	 	 	 	 	 	 	 
	 

	 	Title:	 	Chief Executive Officer 	 	 	 	 	 	 
	 

	 	 	 	 	 	 	 	 	 	 

4exv10w7

EXHIBIT 10.7

SERVICE AGREEMENT

	 	 	 
	BETWEEN:

	 	UNILIN INDUSTRIES BVBA with registered office at B-8710
Wielsbeke-Belgium, Ooigemstraat 3 hereinafter referred to as “the
Company”;
	 
	 	 
	AND:
	 	 
	 
	 	 
	 

	 	Comm. V. “Bernard Thiers”, with a registered office at B-9700 Eine-Belgium,
Nestor de Tièrestraat 128 hereinafter referred to as “the Service
Provider”.

PREAMBLE

Whereas, the Service Provider explains that it has the necessary skills and expertise, and is
allowed under applicable laws, to provide services in connection with the management of commercial
companies, and

Whereas, in view of the fact that the Company needs the above-mentioned services to support the
Company, of the experience of the Service Provider and its wish to provide said services with
maintenance of its independence, the Parties have chosen to enter into the present service
agreement (the Service Agreement), and

Whereas, the Service Provider can also be appointed member of the Management Committee of the
Company, if any; and

Whereas, the parties wish to specify the terms and conditions of their collaboration:

IT HAS BEEN AGREED AS FOLLOWS:

	1	 	Object
	 
	1.1	 	The Service Provider shall provide all necessary and appropriate services (hereinafter the
Services) concerning (i) daily management of the Company as President-Unilin, (ii) strategy
definition, (iii) build a new executive management team, (iv) succession planning for
executives and (v) providing advice and support to Unilin.
	 
	1.2	 	The Service Provider shall perform the Services with the diligence, loyalty, seriousness and
competence that the Company is entitled to expect from an experienced specialist in this
position. The Service Provider shall comply with the general guidelines and policy of the
Company. The Service Provider is bound by an obligation of best result.
	 
	1.3	 	Taking into account the skills, reputation, expertise and capabilities of Mr. Bernard Thiers,
being director / manager of the Service Provider, it has been agreed that Mr. Bernard Thiers
will render the services on behalf of the Service Provider at least 5 days per week. It being
understood that Mr. Thiers may be replaced at any time by the Service Provider to the extent
the replacement provides the same level of skills, reputation, expertise and capabilities as
mutually agreed upon by the parties.

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	1.4	 	The Company will grant the Service Provider all powers necessary to execute the Services in a
good manner.
	 
	1.5	 	Moreover, the Service Provider can be appointed as a member of the Management Committee of
the Company, if any.
	 
	2	 	Duration
	 
	2.1	 	The present agreement is concluded for a definite duration commencing on the execution date and
automatically expiring on December 31, 2013. After expiration of the aforementioned period,
parties can renew the agreement for indefinite duration upon mutual agreement.
	 
	2.2	 	The present agreement can be terminated at any time by the Company upon notice of 22 (twenty
two) months. Notice shall be given by registered mail. However, the Company can also
terminate the present agreement at any time by payment of a lump sum allowance equal to the
Base Amount (as defined below) multiplied by 1.85. The present agreement can be terminated at
any time by the Service Provider upon notice of 6 (six) months.
	 
	2.3	 	This contract may, immediately and without notice or indemnity, be terminated for serious cause
by each party.
	 
	 	 	Will be considered a serious cause entitling each party to terminate the present agreement
without any indemnity:

	 	(i)	 	the commission of a criminal offence;
	 
	 	(ii)	 	fraud or embezzlement;
	 
	 	(iii)	 	the failure to comply with or the breach of any of the material terms and conditions
of the present agreement and/or the Company’s subsidiaries’ or branch offices’ policies
within thirty(30) days after written notification of such non- compliance if such failures
or breaches are capable of remedy. If the default or breach is not capable of remedy, the
present agreement can be terminated without prior notification;
	 
	 	(iv)	 	the willful or gross neglect of the duties under the present agreement and/or the
willful or gross misconduct in the performance of such duties.

	3	 	Fees
	 
	3.1	 	The Services as described above are compensated by the Company on the basis of a basic lump
sum amount of EUR 510,396 (excl. VAT) per annum, which amount may be subsequently modified by
the parties upon mutual agreement (hereinafter the “Annual Fee”). The Annual Fee, initially,
shall consist of a base amount of EUR 473,196 (“Base Amount”) and a retainer amount of EUR
37,200 (“Retainer”). Said Annual Fee has been determined based on an expected average volume
of work corresponding to 5 days per week.

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	3.2	 	An advanced payment representing 1/12 of the Annual Fee shall be paid each month into the
bank account of the Service Provider, against remittance of a detailed monthly invoice which
meets all applicable legal & tax requirements and is payable within 15 days from the date of
issuance.
	 
	3.3	 	In addition to the Annual Fee as set forth in 3.1 and subject to approval of the Compensation
Committee of the Board of Directors of Mohawk Industries, Inc., the Service Provider shall be
eligible to receive an annual bonus ranging from 0 to 115% of the Base Amount of the year
concerned.
	 
	3.4	 	The Service provider shall not be entitled to any other compensation or benefits other than
those set forth under sections 3.1, 3.2 and 3.3 above.
	 
	4	 	Reimbursement of business expenses
	 
	 	 	All reasonable business expenses incurred by the Service Provider exclusively in the
performance and for the purposes of its duties will be borne by the Company and reimbursed
to the Service Provider by means of the above mentioned monthly invoices or separated
invoices provided that supporting evidences are remitted, provided the Company’s approval
with respect to the type of expenses.
	 
	5	 	Independence
	 
	5.1	 	The Service Provider shall act on an independent basis with the Company.
	 
	 	 	To the extent the Company gives instructions to the directors, managers, representatives,
officers or employees of the Service Provider entrusted with the performance of the
Services on behalf of the Service Provider, such instructions would be strictly limited to
the well-being of workers in the performance of their work, working time and the agreed
work arising from the Services. The Company can otherwise in no way exercise authority over
the directors, representatives, officers or employees of the Service Provider.
	 
	5.2	 	Without prejudice to its obligation to perform the management of the Company’s subsidiaries
or branch offices in good faith, the Service Provider shall freely determine its work
organization, work agenda and vacation arrangements with full respect for the needs of the
business.
	 
	5.3	 	All documents and correspondences between the Company and the Service Provider must be
considered as necessary tools to enable the parties to execute their tasks according to their
obligations. These documents can in no way be interpreted as an indication of any
relationship of authority towards the directors, representatives, officers or employees of the
Service Provider.
	 
	5.4	 	The Service Provider, its directors, managers, representatives, employees, officers, etc. are
entirely responsible for complying with all statutory and legal requirements (including, but
without limiting the general nature of the foregoing, paying taxes and social security
contributions) and will indemnify and agree to keep indemnified in full the Company in respect
of any claims that may be made by the relevant authorities against the Company in respect of
social security contributions and/or income tax in relation to any payment made pursuant to
this Service Agreement.

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	6	 	Confidentiality
	 
	6.1	 	The Service Provider acknowledges and agrees that any information disclosed to the Service
Provider or its directors, managers, officers or employees by the Company in relation with the
present agreement and/or the Service Provider’ duties is confidential. The Service Provider
also acknowledges and accepts that any such information will be treated and held in strict
confidence and not used by the Service Provider nor revealed in any way whatsoever, either
directly or indirectly, to any third parties during the course of the present agreement or
after its termination.
	 
	6.2	 	The Service Provider acknowledges and agrees that any information the Service Provider its
directors, managers, officers, representatives or employees develop under or as a result of
the performance of his duties is confidential and that any such information will be held in
strict confidence and not revealed in any way whatsoever, either directly or indirectly, to
any third parties.
	 
	6.3	 	The confidentiality undertakings of articles 6.2 and 6.3 will end when the confidential
information falls in the public domain, without fault of the Service Provider or its
directors, managers, officers or employees.
	 
	6.4	 	The Service Provider must not make any publicity or media releases in the framework of the
present agreement, using the name of the Company, without its prior written consent.
	 
	7	 	Return of property
	 
	7.1	 	All records, files, memoranda, reports, price lists, customer lists, drawings, plans,
sketches, documents and the like (together with all copies thereof) relating to the business
of the Company and all other property of the Company related to the Service Provider’ duties
(including but not limited to documents, notes, memoranda, floppy disks, computer programs,
reports, software and all other information and data), which the Service Provider or
directors, managers, officers or employees uses or prepares or comes in contact with in the
course of executing this agreement remains, as between the Parties to the present agreement,
the sole property of the Company.
	 
	7.2	 	Upon the termination of the present agreement (however caused), the Service Provider will
immediately return to the Company all the Company’s property in its possession or under its
control without keeping copies of such items or passing them (or the copies) to any third
party, whatever the importance of it may be.

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	8	 	Exclusivity and non-competition
	 
	8.1	 	The Service Provider explicitly agrees and undertakes that it shall not, except with the
prior written consent of the Company, whether directly or indirectly, whether remunerated or
not, for a period of 2 (two) years following the termination of the present agreement by the
Company or by itself and for whatsoever reason:

	 	(i)	 	engage itself or through a third party, be employed by, consult for, have an interest in
or in any way assist any person or company directly or indirectly engaged in the business of the
Company or any related activities;
	 
	 	(ii)	 	solicit or endeavour to entice away from or discourage from being employed by the Company
any Manager or client of the Company, its subsidiaries or branch offices, whether or not such
person would commit a breach of contract by reason of leaving employment.
	 
	 	(iii)	 	canvass or solicit the custom of or deal with or provide services to any person, firm or
company who at any time was client of or dealt with the course of providing the services, to the
extent it relates to competing products.
	 
	 	 	 	The aforementioned obligations apply in all the countries in which the Unilin group
is active.

	8.2	 	The Service Provider agrees that it will exclusively act in the interest of the Company and
its shareholders.
	 
	9	 	Intellectual property
	 
	9.1	 	The Service Provider undertakes to inform the Company about any work, invention, discovery or
improvement, patentable or protectable by any other intellectual right, including copyright or
not, which it may create, design or produce, either alone or in conjunction with others,
including but not limited to all documents, drawings, plants, designs and models, printed
circuit boards, software programs and semi-conductor chips and related documentation, in the
course of his employment or relating to, or which is likely to become connected with, any
matter whatsoever constituting or which might constitute a Company’s activity, or which has
been or may be investigated by the latter.
	 
	9.2	 	The Service Provider agrees that such work, inventions, discoveries or improvements belong
exclusively to the Company and hereby assigns and transfers any and all right including the
copyright therein to the Company. The Service Provider shall refrain from any act which would
infringe the Company’s rights, shall execute and deliver all documents or statements necessary
to implement such assignment or transfer and shall not register any patent relating to these
inventions without the approval of the Company.
	 
	9.3	 	The Service Provider acknowledges that such assignment and transfer of rights are adequately
compensated by the remuneration as provided in the present agreement.
	 
	10	 	Contractual provisions
	 
	10.1	 	The nullity or the enforceability of the present agreement does not affect the validity and
the enforceability of the other provisions, unless this would upset the balance between the
reciprocal rights and obligations of the parties.
	 
	10.2	 	In such case, the parties will add one or more new provisions to the agreement in order to
achieve, as much as possible, the same or a similar result.

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	11	 	Varia
	 
	11.1	 	The Service Provider shall procure that each company under his control, its directors,
managers, officers, representatives or employees and former directors, managers, officers,
representatives or employees comply with the obligations imposed on the Service Provider under
articles 6, 7, 8, 9 and 12 above.
	 
	12	 	Applicable law and jurisdiction
	 
	12.1	 	The present agreement shall be governed by and being interpreted according to Belgian law.
	 
	12.2	 	In case of dispute arising from or further to the present agreement, the courts or Kortrijk
will be exclusively competent.

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	13	 	Prior agreements
	 
	 	 	The present agreement supersedes any and all prior agreements, whether oral or in writing,
that possibly could have existed between the concerned parties with respect to the same
object and can only be modified by means of a written agreement between all parties.

Done at Wielsbeke, on February 9, 2009, in two original copies, each party acknowledging having
received on original copy duly signed.

	 	 	 
	For the Company
	 	The Service Provider
	 
	[read and approved]
	 	[read and approved]
	 
	/s/ Jeffrey S. Lorberbaum
	 	/s/ Bernard Thiers
	 
	 	 
	Jeffrey S. Lorberbaum 

Chairman and Chief Executive Officer
	 	Bernard Thiers

******************

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