Document:

exv10w3

Exhibit 10.3

ADDENDUM TO MINING AGREEMENT

This Addendum is dated November 10th, 2009, between Arcilla Mining & Land Company and CARBO.

Arcilla and CARBO agree as follows:

Agreement dated January 1, 2003 between Arcilla and CARBO:

For purposes of clarification between Contractor and Owner, the list of Owner’s Lands, as of the
date of this Addendum, constitutes the properties listed below. Contractor, pursuant to the
Agreement and this Addendum, shall have the sole rights to mine, for Owner, the following Owner’s
Lands:

(1) Allen Lease Tract:

(Wilkinson Co. Index Map #16) Mining Lease Agreement dated May 29, 1964, by
and between Willis I. Allen, as landlord, and Reynolds Mining Corporation, as
lessee, for minerals located on 636.5 acres, more or less, Wilkinson County
Georgia. (Subject to the provisions of Section 1.1). Said lease is recorded in
Deed Book 108, Page 420. LESS AND EXCEPT those portions of said tract subleased to
(a) CARBO CERAMICS INC., being 190.63 acres shown on a plat recorded at Plat Book
19, Page 133; (b) IMERYS CLAY COMPANY, being 21.97 acres shown on a plat recorded
at Deed Book 213, Page 38, said records; and (c) WILKINSON KAOLIN ASSOCIATES
shown on the sketch attached hereto as Exhibit C as “Out WKA” being two parcels,
and being further described in the recorded subleases from SEMCOA to WILKINSON
KAOLIN ASSOCIATES.

(2) Dixon Lease Tract:

(Wilkinson Co. Index Map #26) 84.56 acre portion of said 805 acre tract shown on a
plat for Carbo Ceramics, Inc. by Byron L. Farmer dated July 17, 2003 recorded in
Plat Book 19, Page 235, Wilkinson County deed records, which portion was subleased
to CARBO CERAMICS INC. as shown on a Memorandum of Sublease recorded at Deed Book
281, Page 243, said records. Mining Lease Agreement dated July 17, 1964, by and
between J. C. Dixon, Jr. and Mrs. Benita Dixon Branan, as landlord, and Reynolds
Mining Corporation, as lessee, for minerals located on 805 acres, more or less,
Wilkinson County, Georgia. Said lease is recorded in Deed Book 108, Page 456.

(3) Kellam — Graves: Fee Simple

All that tract of land in the 329 G.M.D. Wilkinson County, Georgia and being that
70.41 acre tract shown on a plat for Thomas B. Kellam and Richard Z. Graves,
recorded in Plat Book 1, Page 134, Office of the Clerk of Superior Court of
Wilkinson County Georgia.

LAND DESCRIPTION: All that tract or parcel of land situate, lying and being in the
Third Land District, in the 329th (Passmore) G.M. District of Wilkinson
County, Georgia, containing Seventy and Forty One-hundredths (70.41) acres, and
being now or formerly bounded as follows: North and Northeast by the lands known as
the Old Ben Lavender place: Northwest by other lands of C.E. Dent; South and
Southwest by lands of W.I. Dixon, Jr.; East and Southeast by the public road
leading by way of the Meredith place

 

 

and/or the Ben Lavender place, and said lands being more particularly shown and
delineated in a plat made of same by Jack C. Brantley, dated January 28, 1963, of
Record in Plat Book 4, Page 119, in the Office of the Clerk of the Superior Court
of Wilkinson County, Georgia, a copy of said plat being attached to this instrument
and being made a part of this instrument. Said lands herein described being a part
of the lands conveyed by the following instruments: (1) W.D. Meredith,
administrator of M.S. Meredith to M.B.

Brooks, recorded in Book X, Page 487; (2) M.B. Brooks to Mrs. W.W. Pierce, recorded
in Book 20, Page 64; (3) Mrs. W.W. Pierce to Mrs. W.J. Hughes, recorded in Book 23,
Page 129; (4) Mrs. W.J. Hughes to Mrs. Anne Etheridge, recorded in Book 29, Page
409; (5) C.C. Criswell, Attorney in Fact for Mrs. Anne Etheridge, to C.C. Criswell,
recorded in Book 39, Page 428-9; (6) C.C. Criswell to H.E. Stephens, recorded in
Book 40, Page 325; (7) H.E. Stephens to Bernice L. Day, recorded in Book 61, Page
323; (8) Bernice L. Day to C.E. Dent, recorded in Book 61, Page 324; all of said
instruments being of record in the Office of the Clerk of the Superior Court of
Wilkinson County, Georgia, and a plat of the whole tract of land conveyed by said
instruments being of record in Plat Book 1, Page 134.

(4) C.E. Dent Lease

     (Wilkinson Co. Index Map #27) Mining Lease Agreement dated May 23, 1964, by
and between C. E. Dent, as lessor, and Reynolds Mining Corporation, as lessee, for
minerals located on 113.52 acres, more or less, Wilkinson County, Georgia. Said
lease is recorded in Deed Book 108, Page 462.

(5) BRANNAN TRACT Fee simple Tract:

All that tract of land in the 329th G.M.D. Wilkinson County,
Georgia, consisting of all of Parcel C (containing approximately 195.33
acres), as shown on a plat for Reynolds Metals Company by Walker McKnight
Surveyors, Inc. dated November 1979, recorded in Plat Book 13, Page 92,
Office of the Clerk of Superior Court of Wilkinson County, Georgia, which
plat is by this reference incorporated herein.

(6) Dixon Z Cut Lease:

All that tract of land in the 329 G.M.D. Wilkinson County, Georgia and being that
53.02 acre tract shown on a plat for CARBO CERAMICS, INC. by Byron L. Farmer dated
September 24, 2009, recorded in Plat Book _______, Page _________, Office of the
Clerk of Superior Court of Wilkinson County Georgia.

SPECIAL PROVISION: It is noted that said description includes road right of way
for county road 142. Said tract is subleased subject to the rights of Wilkinson
County and the public to said road rights of way.

 

 

(7) Chattahoochee Brick Fee simple Tract:

(Wilkinson Co. Index Map #56) All that certain lot, piece or parcel
of land containing 453.16 acres, more or less, situated in Wilkinson County,
Georgia, conveyed to Reynolds Mining Corporation by deeds dated December 14, 1976,
and recorded in the Office of the Clerk of the Superior Court of Wilkinson County,
Georgia in Deed Book 141, pages 261-3, and dated June 15, 1977 and recorded in the
Wilkinson County Clerk’s Office in Deed Book 143, page 249-50, and as further
described in that certain affidavit to Clarify the Legal Description of Certain
Real Property by the recording of Plats of Survey Pertaining Thereto dated August
29, 1986, and recorded September 29, 1986 in the Wilkinson County Clerk’s Office in
Deed Book 177, pages 184-86, with said plat recorded in Plat Book 13, page 92.

1. TERM: Section 1 is deleted in its entirety and replaced with the following:

“The term of this Agreement shall commence on January 1, 2003 and shall be in effect until such
time as all of Owner’s Lands have been fully depleted, which shall have been deemed to occur at
such time that any Product mined from such Owner’s Lands shall no longer have a viable,
economic use suitable by Owner.”

Contractor and Owner agree that any properties which Owner purchases pursuant to that certain
Exclusive Option Contract by and between Southeast Minerals Corporation Of America and Owner dated
as of September 28, 2006 shall be considered Owner’s Lands under this Agreement and thus Contractor
shall have the right to mine them for Product as well until such time as they are fully depleted
and no longer have a viable, economic use suitable by Owner.

Arcilla and CARBO further agree that all terms and prices to mine on above listed properties will
remain the same as stated in the January 1, 2003 “Mining Agreement” between Arcilla and CARBO. Any
term or condition in the Mining Agreement not amended or clarified in this Addendum shall remain
unchanged and in full force and effect.

Arcilla and CARBO further agree that any all capitalized terms contained herein that are not
otherwise defined, shall have the meaning ascribed to them in the Mining Agreement.

	 	 	 	 	 	 	 	 	 	 	 

	CARBO Ceramics Inc.	 	 	 	Arcilla Mining and Lands Company	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	By:
	 	/s/ Mark Edmunds
	 	 	 	By:	 	/s/ T. S. Smith	 	 
	 

Mark Edmunds, VP of Operations
	 	 	 	 

Ted S. Smith, President / CEO
	 	 
	Print Name and Title
	 	 	 	Print Name and Titleexv10w20

Exhibit 10.20

OFFICER RESTRICTED STOCK AWARD AGREEMENT

     THIS AWARD AGREEMENT (the “Agreement”), made as of this _____________, between CARBO
Ceramics Inc. (the “Company”), a Delaware corporation, with its principal offices at 575
North Dairy Ashford, Suite 300, Houston, Texas 77079, and ____________ (the “Participant”).

     WHEREAS, the Company has adopted and maintains and the shareholders of the Company have
approved the CARBO Ceramics Inc. Omnibus Incentive Plan (the “Plan”) to attract and retain
highly qualified employees of the Company and its Subsidiaries and reward them for making
significant contributions to the success of the Company and to strengthen the alignment of
interests between such employees and the Company’s shareholders by providing them with a
proprietary interest of the Company;

     WHEREAS, the Plan provides for the award to Participants in the Plan of restricted shares of
Common Stock in the Company;

     NOW THEREFORE, in consideration of the premises and the mutual covenants hereinafter set
forth, the parties hereto hereby agree as follows:

     1. Award of Restricted Stock. Pursuant to, and subject to, the terms and conditions
set forth herein and in the Plan, the Company hereby awards to the Participant ____ shares of
Common Stock of the Company (the “Restricted Stock”), which may not be transferred,
pledged, assigned or otherwise encumbered until vested (the “Transfer Restrictions”).

     2. Grant Date. The Grant Date of the Restricted Stock hereby awarded is
____________.

     3. Vesting Dates. The Restricted Stock shall vest only in accordance with the
provisions of this Agreement and of the Plan. Subject to the provisions of the Plan, shares of the
Restricted Stock shall become vested on each of the following dates as follows (the “Vesting
Dates”):

          (a) ___ shares of Restricted Stock shall vest on ______________;

          (b) ___ shares of Restricted Stock shall vest on ______________; and

          (c) ___ shares of Restricted Stock shall vest on _____________.

     4. Forfeiture.

          (a) Subject to the provisions of the Plan, in the event that the Participant’s employment with
the Company or any of its Subsidiaries terminates prior to the Vesting Date with respect to any of
the Participant’s shares of Restricted Stock (i) for any reason other than due to death, Disability
or Retirement (as defined below), all such shares of Restricted Stock shall be forfeited on the
date of such termination without payment of any consideration therefor; and (ii) due to death,
Disability or Retirement (as defined below), all such shares of Restricted

 

 

Stock shall cease to be subject to the Transfer Restrictions and cease to be forfeitable on an
applicable Vesting Date occurring on or prior to the first anniversary of such termination as if
the Participant had remained employed until such first anniversary and any shares of Restricted
Stock with respect to which the Vesting Date has not occurred on or prior to such first anniversary
shall be forfeited without payment of any consideration therefor. For the purposes of this
Agreement, “Retirement” shall mean a Participant’s voluntary termination of employment
(with the approval of the Board of Directors) at or after age 62. The Committee shall determine
whether an authorized leave of absence, or absence in military or government service, shall
constitute termination of employment for purposes of this Agreement.

          (b) In the event that the Participant attempts to transfer, pledge, assign or otherwise
encumber shares of Restricted Stock prior to any applicable Vesting Date in violation of the
Transfer Restrictions, such transfer, pledge, assignment or encumbrance shall be null and void and
the Participant’s shares of Restricted Stock shall be forfeited without payment of any
consideration therefor.

          (c) Notwithstanding the foregoing, shares subject to the Award granted pursuant to this
Agreement shall continue to be subject to the Transfer Restrictions following the Vesting Date with
respect to such shares until the end of the period commencing on the Vesting Date with respect to
such shares and ending on the earlier of (i) a termination of the Participant’s employment for any
reason or (ii) the second anniversary of such Vesting Date (the “Holding Period”) except
for any such shares used to satisfy any withholding obligations as set forth herein and in the
Plan. If the Participant fails to comply with such Transfer Restrictions during the Holding
Period, any Awards held by the Participant which are then subject to forfeiture shall be forfeited
and the Committee may, in its discretion, take such action as it deems appropriate, including,
without limitation, determining not to make any additional grants of Awards to the Participant
under the Plan.

          (d) Notwithstanding the foregoing, all shares subject to an Award shall immediately cease to
be subject to the Transfer Restrictions and cease to be forfeitable upon a Change in Control.

     5. Share Certificates. Subject to the provisions of the Plan, the shares
representing the Restricted Stock will be held in the Participant’s name in book-entry format by
the Company’s transfer agent, Mellon Investor Services, LLC. Upon vesting of the shares of
Restricted Stock on a Vesting Date, the Participant has the right to choose to have a certificate
issued in the Participant’s name, to have the shares transferred to a brokerage account of the
Participant’s choice or to continue to hold the shares in book-entry format with the transfer
agent.

     6. Shareholder’s Rights. Subject to the terms of this Agreement, prior to the
Vesting Date with respect to any of the Participant’s shares of Restricted Stock, the Participant
shall have, with respect to any of the shares of Restricted Stock, all rights of a shareholder of
the Company, including the right to vote such shares and the right to receive all dividends paid
with respect to such shares of Restricted Stock at the same time as shareholders generally;
provided, that the right to vote and receive dividends shall terminate immediately with respect to
any shares of Restricted Stock upon forfeiture of those shares pursuant to Section 4 hereof
and that stock dividends shall be subject to the provisions of Sections 7(b) and (c) and Section 19
of the Plan in the same manner as the corresponding Restricted Stock to which such dividends or

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distributions relate and shall be held by the Company or subject to a legend as determined by the
Committee to effectuate the purposes of the Plan.

     7. Non-Assignability. Except as expressly provided in the Plan or herein, Awards
shall not be assigned, transferred, pledged or encumbered, and any purported assignment, transfer,
pledge or encumbrance shall be null and void; provided, that Awards may be transferred by
will or by the laws of descent and distribution subject to the Committee’s receipt of such
documents as may be requested by the Committee from time.

     8. Modification and Waiver. Except as provided in the Plan with respect to
determinations of the Committee and subject to the Company’s Board of Directors’ right to amend,
modify or terminate the Plan, neither this Agreement nor any provision hereof can be changed,
modified, amended, discharged, terminated or waived orally or by any course of dealing or purported
course of dealing, but only by an agreement in writing signed by the Participant and the Company.
No such agreement shall extend to or affect any provision of this Agreement not expressly changed,
modified, amended, discharged, terminated or waived or impair any right consequent on such a
provision. The waiver of or failure to enforce any breach of this Agreement shall not be deemed to
be a waiver or acquiescence in any other breach thereof.

     9. Applicable Withholdings. The Company shall have the power and the right to deduct
or withhold, or require the Participant to remit to the Company, the minimum statutory amount to
satisfy federal, state, and local taxes or similar charges, domestic or foreign, required by law or
regulation to be withheld with respect to any taxable event arising as a result of or in connection
with the Plan or any Award. At the election of the Participant, subject to the approval of the
Committee, the Committee shall withhold a portion of the Shares subject to each Award to satisfy
the applicable federal, state, foreign and local withholding taxes incurred in connection with the
Award.

     10. Governing Law. This Agreement, the Plan and all rights under this
Agreement and the Plan shall be construed and enforced in accordance with the laws of the State of
Delaware without regard to the provisions governing conflict of laws.

     11. Participant Acknowledgment. The Participant hereby acknowledges receipt of a copy
of the Plan and that all decisions, determinations and interpretations of the Committee or the
Company in respect of this Agreement shall be final, conclusive and binding.

     12. Incorporation of Plan. All terms and provisions of the Plan are incorporated
herein and made part hereof as if stated herein. If any provisions hereof and of the Plan shall be
in conflict, the terms of the Plan shall govern. All capitalized terms used herein and not defined
herein shall have the meanings assigned to them in the Plan.

     13. Entire Agreement. This Agreement represents the final, complete and total
agreement of the parties hereto respecting the Restricted Stock and the matters discussed herein
and this Agreement supersedes any and all previous agreements and understandings, whether written,
oral or otherwise, relating to the Restricted Stock and such matters.

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IN WITNESS WHEREOF, CARBO Ceramics Inc. has caused this Agreement to be duly executed by its duly
authorized officer and said Participant has hereunto signed this Agreement on his own behalf,
THEREBY REPRESENTING THAT HE OR SHE HAS CAREFULLY READ AND UNDERSTANDS THIS AGREEMENT AND THE PLAN,
as of the day and year first above written.

	 	 	 	 	 
	 	CARBO CERAMICS INC.

 	 
	 	By:  	 	 
	 	 	 	 
	 	By:  	
 	 
	 

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