Document:

EX-10.15

 Exhibit 10.15 

COMCAST-NBCUNIVERSAL 

2011 EMPLOYEE STOCK PURCHASE PLAN 
  

	1.	Purpose. 

 COMCAST CORPORATION, a Pennsylvania corporation, hereby amends and
restates the Comcast-NBCUniversal 2011 Employee Stock Purchase Plan (the “Plan”). The Plan is intended to encourage and facilitate the purchase of shares of common stock of Comcast Corporation by Eligible Employees of NBCUniversal and any
Participating Companies, thereby providing such Eligible Employees with a personal stake in the Company and a long-range inducement to remain in the employ of NBCUniversal and Participating Companies. It is the intention of the Company that the Plan
not qualify as an “employee stock purchase plan” within the meaning of section 423 of the Code. 
  

	2.	Definitions. 

 (a) “Account” means a bookkeeping account
established by the Committee on behalf of a Participant to hold Payroll Deductions. 
 (b) “Affiliate” means, with respect
to any Person, any other Person that, directly or indirectly, is in control of, is controlled by, or is under common control with, such Person. For purposes of this definition, the term “control,” including its correlative terms
“controlled by” and “under common control with,” mean, with respect to any Person, the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of such Person, whether
through the ownership of voting securities, by contract or otherwise. 
 (c) “Board” means the Board of Directors of the
Company. 
 (d) “Brokerage Account” means the brokerage account established under the Plan by the Company for each
Participant, to which Shares purchased under the Plan shall be credited. 
 (e) “Change of Control” means any transaction
or series of transactions as a result of which any Person who was a Third Party immediately before such transaction or series of transactions owns then-outstanding securities of the Company such that such Person has the ability to direct the
management of the Company, as determined by the Board in its discretion. The Board may also determine that a Change of Control shall occur upon the completion of one or more proposed transactions. The Board’s determination shall be
final and binding. 
 (f) “Code” means the Internal Revenue Code of 1986, as amended. 

(g) “Comcast Group” means the Company and any Affiliate of the Company. 

(h) “Committee” means the Compensation Committee of the Board or its delegate. 

(i) “Company” means Comcast Corporation, a Pennsylvania corporation, including any successor thereto by merger,
consolidation, acquisition of all or substantially all the assets thereof, or otherwise. 

 (j) “Compensation” means an Eligible Employee’s wages as
reported on Form W-2 (i.e., wages as defined in section 3401(a) of the Code and all other payments of compensation for which the Participating Company is required to furnish the employee a written
statement under sections 6041(d) and 6051(a)(3) of the Code) from a Participating Company, reduced by reimbursements or other expense allowances, fringe benefits (cash and non-cash), moving expenses, deferred compensation, and welfare benefits, but
including salary reduction contributions and elective contributions that are not includible in gross income under sections 125 or 402(a)(8) of the Code. 

(k) “Effective Date” means the effective date referenced in Paragraph 15. 

(l) “Election Form” means the written or electronic form acceptable to the Committee which an Eligible Employee shall use to
make an election to purchase Shares through Payroll Deductions pursuant to the Plan. 
 (m) “Eligible Employee” means an
Employee who is not an Ineligible Employee. 
 (n) “Eligible Employer” means NBCUniversal and any Subsidiary of
NBCUniversal other than: 
 (1) a Subsidiary that is organized under the laws of a jurisdiction outside of the United States of America,
other than a Subsidiary referenced pursuant to Section 2(p)(1)(iii); or 
 (2) except as otherwise provided by the Committee, a
Subsidiary that is a “Participating Company” as defined in the Comcast Corporation 2002 Employee Stock Purchase Plan. 
 (o)
“Employee” means any employee who is employed by a Participating Company and designated on the books and records of such Participating Company as an employee, provided that the term “Employee” shall not include: 

(1) an individual covered by a collective bargaining agreement, unless such agreement specifically provides for participation hereunder; 

(2) except as otherwise provided by Paragraph 2(q)(1)(iii), an individual who is not on a United States employee payroll of a Participating
Company or an individual with respect to whom the Participating Company does not report such individual’s compensation as wages on Form W-2; 

(3) an individual who has entered into an agreement with a Participating Company which excludes such individual from participation in employee
benefit plans of a Participating Company (whether or not such individual is treated or classified as an employee for certain specified purposes that do not include eligibility to participate in the Plan); and 

  
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 (4) an individual who is not classified by the Participating Company as an employee, even if such
individual is retroactively re-characterized as an employee by a third party or a Participating Company. 
 (p) “Fair Market
Value” means the closing price per Share on the principal national securities exchange on which the Shares are listed or admitted to trading or, if not listed or traded on any such exchange, on the National Market System of the National
Association of Securities Dealers Automated Quotation System (“NASDAQ”), or if not listed or traded on any such exchange or system, the fair market value as reasonably determined by the Board or the Committee, which determination shall be
conclusive. 
 (q) “Ineligible Employee” means: 

(1) For an employee of any Participating Employer other than Universal Orlando, an Employee who, as of an Offering Commencement Date: 

i. has been continuously employed by the Comcast Group on a full-time basis for less than 90 days;

 ii. has been continuously employed by the Comcast Group on a part-time basis for less than one
year; 
 iii. except as otherwise provided by the Committee, an employee who is (i) employed by a Subsidiary that is organized under
the laws of a jurisdiction outside of the United States of America or (ii) whose principal work location is outside of the United States; or 

iv. is an individual whose employment is classified by the Participating Company to which such individual is employed as an internship, or as
“temporary” or “intermittent,” all in accordance with uniformly applied personnel policies. 
 For purposes of this Paragraph 2(q)(1),
an employee is employed on a part-time basis if the Employee customarily works less than 20 hours per week. For purposes of this Paragraph 2(q), an Employee is employed on a full-time basis if the Employee customarily works 20 or more hours per week. 
 (2) For an employee of
Universal Orlando, an employee who, as of an Offering Commencement Date: 
 i. has been continuously employed by the Comcast Group on a full-time basis for less than 90 days; 
 ii. has been continuously employed by the Comcast Group on a part-time basis for less than one year; 
 iii. except as otherwise provided by the Committee, an
employee who is (i) employed by a Subsidiary that is organized under the laws of a jurisdiction outside of the United States of America or (ii) whose principal work location is outside of the United States; or 

  
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 iv. is an individual whose employment is classified by the Participating Company to which such
individual is employed as an internship, or as “temporary,” “intermittent” or “seasonal,” all in accordance with uniformly applied personnel policies. 

For purposes of this Paragraph 2(q)(2), an employee is employed on a part-time basis if Universal Orlando has classified the Employee as a “Casual
Employee.” For purposes of this Paragraph 2(q)(2) an Employee is employed on a full-time basis if Universal Orlando has classified the Employee as a Regular Employee. 

(r) “NBCUniversal” means NBCUniversal, LLC, a Delaware limited liability company. 

(s) “Offering” means an offering of Shares by the Company to Eligible Employees pursuant to the Plan. 

(t) “Offering Commencement Date” means the first day of each January 1, April 1, July 1 and
October 1 beginning on or after July 1, 2011 until the Plan Termination Date. 
 (u) “Offering Period” means the
period extending from an Offering Commencement Date through the following Offering Termination Date. 
 (v) “Offering Termination
Date” means the last day of each March, June, September and December following an Offering Commencement Date, or such other Offering Termination Date established in connection with a Terminating Event. 

(w) “Participant” means an Eligible Employee who has timely delivered an Election Form to the Committee in accordance with
procedures established by the Committee. 
 (x) “Participating Company” means all Eligible Employers except such Eligible
Employers as may be designated for exclusion by the Board or the Committee from time to time. Notwithstanding the foregoing, the Board or the Committee may delegate its authority to exclude an Eligible Employer from being a Participating Company
under this Paragraph 2(x) to an officer of the Company or committee of two or more officers of the Company. 
 (y) “Payroll
Deductions” means amounts withheld from a Participant’s Compensation pursuant to the Plan, as described in Paragraph 5. 
 (z)
“Person” means an individual, a corporation, a partnership, an association, a trust or any other entity or organization. 

(aa) “Plan” means the Comcast-NBCUniversal 2011 Employee Stock Purchase Plan, as set forth in this document, and as may be
amended from time to time. 
 (bb) “Plan Termination Date” means the earliest of: 

(1) the Offering Termination Date for the Offering in which the maximum number of Shares specified in Paragraph 9 have been issued pursuant to
the Plan; or 

  
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 (2) the date as of which the Board or the Committee chooses to terminate the Plan as provided in
Paragraph 14. 
 (cc) “Purchase Price” means 85 percent of the lesser of: (1) the Fair Market Value per Share on the
Offering Commencement Date, or if such date is not a trading day, then on the next trading day thereafter or (2) the Fair Market Value per Share on the Offering Termination Date, or if such date is not a trading day, then on the trading day
immediately preceding the Offering Termination Date. 
 (dd) “Shares” means shares of Comcast Corporation Class A
Common Stock, par value $0.01. 
 (ee) “Subsidiary” means any Affiliate of NBCUniversal that is controlled by NBCUniversal.

 (ff) “Successor-in-Interest” means the
Participant’s executor or administrator, or such other person or entity to which the Participant’s rights under the Plan shall have passed by will or the laws of descent and distribution. 

(gg) “Terminating Event” means any of the following events: 

(1) the liquidation of the Company; or 

(2) a Change of Control. 
 (hh)
“Third Party” means any Person, together with such Person’s Affiliates, provided that the term “Third Party” shall not include the Company or an Affiliate of the Company. 

(ii) “Termination Form” means the written or electronic form acceptable to the Committee which an Employee shall use to
discontinue participation during an Offering Period pursuant to Paragraph 7(b). 
 (jj) “Universal Orlando” means Universal
City Development Partners, Ltd. and its subsidiaries. 
  

	3.	Eligibility and Participation. 

 (a) Eligibility. Except to the extent
participation is restricted under Paragraph 3(b), each Eligible Employee shall be eligible to participate in the Plan. 
 (b)
Restrictions on Participation. Notwithstanding any provisions of the Plan to the contrary, no Employee shall be eligible to purchase Shares in an Offering to the extent that a purchase would permit such Employee’s rights to purchase
stock under this Plan, after taking into account such Employee’s purchases under the Comcast Corporation 2002 Employee Stock Purchase Plan, if any, to accrue at a rate which exceeds $25,000 in fair market value (as determined on the same basis
as if this Plan were subject to section 423(b)(8) of the Code) for each calendar year in which such right to purchase Shares is outstanding. 

  
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 (c) Commencement of Participation. An Eligible Employee shall become a Participant by
completing an Election Form and filing it with the Committee on or before the 15th day of the month immediately preceding the Offering Commencement Date for the first Offering to which such Election Form applies. Payroll Deductions for a Participant
shall commence on the first payroll period ending after the applicable Offering Commencement Date when his or her authorization for Payroll Deductions becomes effective, and shall end on the Plan Termination Date, unless sooner terminated by the
Participant pursuant to Paragraph 7(b). 
  

	4.	Shares Per Offering. 

 The Plan shall be implemented by a series of Offerings that
shall commence after Offerings have been authorized by the Board or the Committee, and terminate on the Plan Termination Date. Offerings shall be made with respect to Compensation accumulated during each Offering Period for the period commencing
with the first day of the first Offering Period (when such Offering Period is authorized by the Board or the Committee) and ending with the Plan Termination Date. Shares available for any Offering shall be the difference between the maximum number
of Shares that may be issued under the Plan, as determined pursuant to Paragraph 9(a), for all of the Offerings, less the actual number of Shares purchased by Participants pursuant to prior Offerings, provided that the maximum number of Shares
subject to purchase by any Participant for any Offering Period shall not exceed 1,500. If the total number of Shares subject to purchase under the Plan on any Offering Termination Date exceeds the maximum number of Shares available, the Board or the
Committee shall make a pro rata allocation of Shares available for delivery and distribution in as nearly a uniform manner as practicable, and as it shall determine to be fair and equitable, and the unapplied Account balances shall be returned to
Participants as soon as practicable following the Offering Termination Date. 
  

	5.	Payroll Deductions. 

 (a) Amount of Payroll Deductions. On the Election
Form, an Eligible Employee may elect to have Payroll Deductions of not more than 10 percent of Compensation earned for each payroll period ending within the Offering Period, subject to the limitation that the maximum amount of Payroll Deductions for
any Eligible Employee for any calendar year (including, for this purpose, any payroll deductions for such calendar year pursuant to the Comcast Corporation 2002 Employee Stock Purchase Plan, if any) shall not exceed $21,250, or, with respect to
Participants whose compensation is denominated in currency other than United States dollars, if any, the equivalent amount as denominated in such local currency, as determined by the Committee. 

(b) Participants’ Accounts. All Payroll Deductions with respect to a Participant pursuant to Paragraph 5(a) shall be credited to
the Participant’s Account under the Plan. 
 (c) Changes in Payroll Deductions. A Participant may discontinue Payroll Deductions
during an Offering Period by providing a Termination Form to the Committee at any time before the Offering Termination Date applicable to any Offering. No other change can be made during an Offering, including, but not limited to, changes in the
amount of Payroll 

  
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Deductions for such Offering. A Participant may change the amount of Payroll Deductions for subsequent Offerings by giving written notice (or notice in another form pursuant to procedures
established by the Committee) of such change to the Committee on or before the 15th day of the month immediately preceding the Offering Commencement Date for the Offering for which such change is effective. 

 

	6.	Purchase of Shares. 

 (a) In General. On each Offering Termination Date,
each Participant shall be deemed to have purchased a number of whole Shares equal to the quotient obtained by dividing the balance credited to the Participant’s Account as of the Offering Termination Date, by the Purchase Price, rounded to the
next lowest whole Share. Shares deemed purchased by a Participant under the Plan (net of Shares withheld under Paragraph 11) shall be credited to the Participant’s Brokerage Account as soon as practicable following the Offering Termination
Date. 
 (b) Terminating Events. The Company shall give Participants at least 30 days’ notice (or, if not practicable, such
shorter notice as may be reasonably practicable) prior to the anticipated date of the consummation of a Terminating Event. The 20th day following the issuance of such notice by the Company (or such earlier date as the Board or the Committee may
reasonably determine) shall constitute the Offering Termination Date for any outstanding Offering. 
 (c) Fractional Shares and
Participant Refunds. Fractional Shares shall not be issued under the Plan. Amounts credited to an Account remaining after the application of such Account to the purchase of Shares for any Offering Period, including amounts that remain credited
to an Account after the application of the limit described in Paragraph 3(b), shall, to the extent not applied to pay withholding taxes under Paragraph 11, be: 

(1) credited to the Participant’s Account for the next succeeding Offering, provided that the Participant continues to be an Eligible
Employee and elects to participate in such next succeeding Offering; or 
 (2) returned to the Participant as soon as practicable following
the Offering Termination Date, without interest, if the Participant is not an Eligible Employee for the next succeeding Offering, or if the Participant fails to elect to participate in such next succeeding Offering. 

(d) Transferability of Rights to Purchase Shares. No right to purchase Shares pursuant to the Plan shall be transferable other than by
will or by the laws of descent and distribution, and no such right to purchase Shares pursuant to the Plan shall be exercisable during the Participant’s lifetime other than by the Participant. 

 

	7.	Termination of Participation. 

 (a) Account. Except as provided in
Paragraph 7(c), no amounts shall be distributed from Participants’ Accounts during an Offering Period. 

  
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 (b) Suspension of Participation. A Participant may discontinue Payroll Deductions during
an Offering Period by providing a Termination Form to the Committee at any time before the Offering Termination Date applicable to any Offering, provided that a Participant’s Payroll Deductions shall be discontinued to the extent required in
connection with a Participant’s hardship withdrawal under the rules of the NBCUniversal Capital Accumulation Plan, the Comcast Corporation Retirement-Investment Plan or any other plan, program or arrangement pursuant to which discontinuance of
contributions to the Plan may be required in connection with a Participant’s hardship withdrawal. All amounts credited to such Participant’s Account shall be applied to the purchase of Shares pursuant to Paragraph 6. A Participant who
discontinues Payroll Deductions during an Offering Period by providing a Termination Form shall be eligible to participate in the Offering next following the date on which the Participant delivers the Termination Form to the Committee. A Participant
(other than a Participant whose payroll is administered by Universal Orlando) whose Payroll Deductions are suspended during an Offering Period because of a hardship withdrawal under the rules of the NBCUniversal Capital Accumulation Plan, the
Comcast Corporation Retirement-Investment Plan or any other plan, program or arrangement pursuant to which discontinuance of contributions to the Plan may be required in connection with a Participant’s hardship withdrawal shall automatically
resume Payroll Deductions at the rate in effect immediately before the suspension for the next Offering Period that commences after the conclusion of the suspension, unless the Participant elects otherwise. 

(c) Termination of Employment. Upon termination of a Participant’s employment for any reason, all amounts credited to such
Participant’s Account shall be returned to the Participant, or, following the Participant’s death, to the Participant’s Successor-in-Interest. 
  

	8.	Interest. 

 No interest shall be paid or allowed with respect to Payroll
Deductions paid into the Plan or credited to any Participant’s Account. 
  

	9.	Shares.  

 (a) Maximum Number of Shares; Adjustments. Subject to
adjustment as provided in this Paragraph 9, not more than 4,600,000 Shares in the aggregate may be issued pursuant to the Plan pursuant to Offerings under the Plan. Shares delivered pursuant to the Plan may, at the Company’s option,
be either treasury Shares or Shares originally issued for such purpose. In the event that Shares are changed into or exchanged for a different number or kind of shares of stock or other securities of the Company, whether through merger,
consolidation, reorganization, recapitalization, stock dividend, stock split-up or other substitution of securities of the Company, the Board or the Committee shall make appropriate equitable anti-dilution adjustments to the number and class of shares of stock available for issuance under the Plan, to the number and class of shares of stock subject to outstanding Offerings and to the Purchase Price. Any
reference to the Purchase Price in the Plan and in any related documents shall be a reference to the Purchase Price as so adjusted. Any reference to the term “Shares” in the Plan and in any

  
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related documents shall be a reference to the appropriate number and class of shares of stock available for issuance under the Plan, as adjusted pursuant to this Paragraph 9. The Board’s or
the Committee’s adjustment shall be effective and binding for all purposes of this Plan. All Shares issued pursuant to the Plan shall be validly issued, fully paid and nonassessable. 

(b) Participant’s Interest in Shares. A Participant shall have no interest in Shares offered under the Plan until Shares are
credited to the Participant’s Brokerage Account. 
 (c) Crediting of Shares to Brokerage Account. Shares purchased under the
Plan shall be credited to the Participant’s Brokerage Account as soon as practicable following the Offering Termination Date. 
 (d)
Restrictions on Purchase. The Board or the Committee may, in its discretion, require as conditions to the purchase of any Shares under the Plan such conditions as it may deem necessary to assure that such purchase of Shares is in compliance
with applicable securities laws. 
 (e) Restrictions on Sale of Shares. The Board or the Committee may, in its discretion, require as
conditions to the sale of any Shares credited to Participants’ Brokerage Accounts under the Plan (i) such conditions as it may deem necessary to assure that such sale of Shares is in compliance with applicable securities laws and
(ii) a minimum holding period (not to exceed one year) following the purchase of Shares before Shares credited to Participants’ Brokerage Accounts may be sold or otherwise transferred, provided that such holding period, if any, shall not
apply to Shares applied to pay withholding taxes pursuant to Paragraph 11 or to Shares credited to the Brokerage Account of a Participant who has terminated employment on account of death or disability. 

 

	10.	Expenses. 

 The Participating Companies shall pay all fees and expenses incurred
(excluding individual Federal, state, local or other taxes) in connection with the Plan. No charge or deduction for any such expenses will be made to a Participant upon the termination of his or her participation under the Plan or upon the
distribution of certificates representing Shares purchased with his or her Payroll Deductions. 
  

	11.	Taxes. 

 The Participating Companies shall have the right to withhold from each
Participant’s Compensation an amount equal to all federal, state, city or other taxes as the Participating Companies shall determine are required to be withheld by them in connection with the purchase of Shares under the Plan and in connection
with the sale of Shares acquired under the Plan. The Company’s obligation to make any delivery or transfer of Shares shall be conditioned on the Participant’s compliance, to the Company’s satisfaction, with any withholding
requirement. 

  
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 Any tax liabilities incurred in connection with a Participant’s participation in the Plan
may, to the extent such liabilities cannot be satisfied in full by withholding cash payable in connection with a taxable event, be satisfied by withholding a portion of the Shares otherwise creditable under the Plan having a Fair Market Value
approximately equal to the minimum amount of taxes required to be withheld under applicable law. 
  

	12.	Plan and Contributions Not to Affect Employment. 

 The Plan shall not confer upon
any Eligible Employee any right to continue in the employ of the Participating Companies. 
  

	13.	Administration. 

 The Plan shall be administered by the Committee. The Board and
the Committee shall have authority to interpret the Plan, to prescribe, amend and rescind rules and regulations relating to it, and to make all other determinations deemed necessary or advisable in administering the Plan, with or without the advice
of counsel. The Committee may delegate its administrative duties, subject to its review and supervision, to the appropriate officers and employees of the Company. The determinations of the Board and the Committee on the matters referred to in this
Paragraph 13 shall be conclusive and binding. 
  

	14.	Amendment and Termination. 

 The Board or the Committee may terminate the Plan at
any time and may amend the Plan from time to time in any respect; provided, however, that upon any termination of the Plan, all Shares or Payroll Deductions (to the extent not yet applied to the purchase of Shares) under the Plan shall be
distributed to the Participants, provided further, that no amendment to the Plan shall affect the right of any Participant to receive his or her proportionate interest in the Shares or his or her Payroll Deductions (to the extent not yet applied to
the purchase of Shares) under the Plan, provided further that the Company may seek shareholder approval of the Plan or any amendment to the Plan if such approval is determined to be required by or advisable under the regulations of the Securities
and Exchange Commission or the Internal Revenue Service, the rules of any stock exchange or system on which the Shares are listed or other applicable law or regulation, and provided further that the Board or the Committee may condition the
effectiveness of any Election Form on such shareholder approval. 
  

	15.	Effective Date. 

 The Plan was originally adopted on January 29, 2011. The
first Offering Period under the Plan commenced on July 1, 2011. The Effective Date of this amendment and restatement of the Plan is January 1, 2016. 
  

	16.	Government and Other Regulations. 

 (a) In General. The purchase of Shares
under the Plan shall be subject to all applicable laws, rules and regulations, and to such approvals by any governmental agencies as may be required. 

  
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 (b) Securities Law. The Committee shall have the power to make each Offering under the
Plan subject to such conditions as it deems necessary or appropriate to comply with the then-existing requirements of the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as
amended, including Rule 16b-3 (or any similar rule) promulgated by the Securities and Exchange Commission thereunder. 
  

	17.	Non-Alienation. 

 No Participant shall be
permitted to assign, alienate, sell, transfer, pledge or otherwise encumber his right to purchase Shares under the Plan prior to time that Shares are credited to the Participant’s Brokerage Account. Any attempt at assignment, alienation, sale,
transfer, pledge or other encumbrance shall be void and of no effect. 
  

	18.	Notices. 

 Any notice required or permitted hereunder shall be sufficiently given
only if delivered personally, telecopied, or sent by first class mail, postage prepaid, and addressed: 
 If to the Company: 

Comcast Corporation 
 One Comcast
Center 
 1701 JFK Boulevard 

Philadelphia, PA 19103 
 Fax: 215-286-7794 
 Attention: General Counsel 

Or any other address provided pursuant to notice provided by the Committee. 

If to the Participant: 

At the address on file with the Participating Company from time to time, or to such other address as either party may hereafter designate in
writing (or via such other means of communication permitted by the Committee) by notice similarly given by one party to the other. 
  

	19.	Successors. 

 The Plan shall be binding upon and inure to the benefit of any
successors or assigns of the Company. 
  

	20.	Severability. 

 If any part of this Plan shall be determined to be invalid or void
in any respect, such determination shall not affect, impair, invalidate or nullify the remaining provisions of this Plan which shall continue in full force and effect. 

  
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	21.	Acceptance. 

 The election by any Eligible Employee to participate in this Plan
constitutes his or her acceptance of the terms of the Plan and his or her agreement to be bound hereby. 
  

	22.	Applicable Law. 

 This Plan shall be construed in accordance with the laws of the
Commonwealth of Pennsylvania, to the extent not preempted by applicable Federal law. 
 Executed on the 14th day of October, 2015. 
  

			
	COMCAST CORPORATION
		
	BY:	 	 /s/ David L. Cohen

		
	ATTEST:	 	 /s/ Arthur R. Block

  
 -12-EX-10.31

 Exhibit 10.31 

AMENDMENT NO. 15 TO EMPLOYMENT AGREEMENT 

This AMENDMENT NO. 15 TO EMPLOYMENT AGREEMENT is entered as of the 17th day of December, 2015, between COMCAST CORPORATION, a Pennsylvania
corporation (together with its subsidiaries, the “Company”), and BRIAN L. ROBERTS (“Employee”). 
 BACKGROUND 

WHEREAS, the parties entered into an Employment Agreement dated as of January 1, 2005, as amended (the “Agreement”), that sets
forth the terms and conditions of Employee’s employment with the Company, and 
 WHEREAS, the parties desire to amend the Agreement on
the terms and conditions contained herein. 
 NOW, THEREFORE, the parties hereto, intending to be legally bound hereby, agree as follows:

 1. Subparagraph 5(b) of the Agreement is hereby amended to add the following year and amount thereto: “Year – 2016; Amount -
$4,020,287.” Employee hereby elects January 2, 2019 as the scheduled payment date with respect to such amount, provided that Employee may elect to postpone such scheduled payment date to the extent permitted under the Company’s 2005
Deferred Compensation Plan. 
 2. Subparagraph 1(c) of the Agreement is hereby deleted and replaced in its entirety by the following: 

“(c) (i) To the extent any Company Intellectual Property (as defined in subparagraph (iv) below) is not already
owned by the Company as a matter of law or prior written assignment by Employee to the Company, Employee hereby assigns to the Company, and agrees to assign the Company in the future (to the extent required), all right, title and interest that
Employee now has or acquires in the future in and to any and all Company Intellectual Property. Employee shall further cooperate with the Company in obtaining, protecting and enforcing its interests in Company Intellectual Property. Such cooperation
shall be at the Company’s expense, and shall include, at the Company’s election, without limitation, signing all documents reasonably requested by the Company for patent, copyright and other Intellectual Property (as defined in
subparagraph (iv) below) applications and registrations, and individual assignments thereof, and providing other reasonably requested assistance. Employee’s obligation to assist the Company in obtaining, protecting and enforcing Company
Intellectual Property rights shall continue following Employee’s employment with the Company, but the Company shall be obliged to compensate Employee at a then prevailing reasonable consulting rate for any time spent and any out-of-pocket
expenses incurred at the Company’s request for providing such assistance. Such compensation shall be paid irrespective of, and is not contingent upon, the substance of any testimony Employee may give or provide while assisting the Company. 

 (ii) Employee shall use reasonable efforts to promptly disclose to the Company,
or any person(s) designated by the Company, all Intellectual Property that is created, conceived or reduced to practice by Employee, either alone or jointly with others, during the term of Employee’s employment with the Company, whether or not
patentable or copyrightable or believed by Employee to be patentable or copyrightable, including without limitation any Intellectual Property (to be held in confidence by the Company) that qualifies fully as a nonassignable invention under
Section 2870 of the California Labor Code (“Nonassignable IP”). If Employee contends that any such Intellectual Property qualifies as Nonassignable IP, Employee will promptly so notify the Company, and Employee agrees to cooperate
fully with a review and verification process by the Company. In addition, Employee will promptly disclose to the Company (to be held in confidence) all patent applications filed by Employee or on his or her behalf within six months after termination
of employment, and to cooperate fully with a review and determination by the Company as to whether such patent applications constitute or include Company Intellectual Property. Employee has reviewed the notification on Schedule 1 and agrees that
Employee’s execution hereof acknowledges receipt of such notification. 
 (iii) In the event that the Company is unable
for any reason whatsoever to secure Employee’s signature on any lawful and necessary document to apply for, execute or otherwise further prosecute or register any patent or copyright application or any other Company Intellectual Property
application or registration, Employee hereby irrevocably designates and appoints the Company and its duly authorized officers and agents as Employee’s agents and attorneys-in-fact to act for and on Employee’s behalf and instead of Employee
to execute and file such lawful and necessary documents and to do all other lawfully permitted acts to further prosecute, issue and/or register patents, copyrights and any other Company Intellectual Property rights with the same legal force and
effect as if executed by Employee. 
 (iv) To the extent any materials, including written, graphic or computer programmed
materials, authored, prepared, contributed to or written by Employee, in whole or in part, during the term of employment by the Company and relating in whole or in part to the business, products, services, research or development of the Company
qualify as “work made for hire,” as such term is defined and used in the copyright laws of the United States, then such materials shall be done by Employee as “work made for hire” under such law. 

(v) Intellectual Property” means any and all ideas, inventions, formulae, knowhow, trade secrets, devices, designs,
models, methods, techniques, processes, specifications, tooling, computer programs, software code, works of authorship, copyrighted and copyrightable works, mask works, trademarks and service marks, Internet domain names, technical and product
information, patents 

  
 2 

 
and patent applications, and any other intellectual property rights or applications, throughout the world. “Company Intellectual Property” means any Intellectual Property created,
fixed, conceived or reduced to practice, in whole or in part, by Employee, either alone or jointly with others, whether or not such Intellectual Property is patentable or copyrightable, either: (A) that relates to the Company’s current or
planned businesses or is created, etc. in the performance of the Employee’s duties; (B) that is created, etc. during working hours; or (C) that is created, etc. using the Company’s information, facilities, equipment or other
assets. “Company Intellectual Property” does not include Nonassignable IP.” 
 3. Except as modified hereby, the Agreement
shall continue unmodified and in full force and effect. 
 IN WITNESS WHEREOF, the parties hereto have executed and delivered this Amendment
No. 15 as of the date first-above written. 
  

			
	COMCAST CORPORATION
		
	By:	 	 /s/ Arthur R. Block

		
	Date:	 	December 17, 2015

  

			
	EMPLOYEE:
	
	 /s/ Brian L. Roberts

	Brian L. Roberts
		
	Date:	 	December 17, 2015

  
 3 

 SCHEDULE 1 

LIMITED EXCLUSION NOTIFICATION 
 THIS
IS TO NOTIFY Employee in accordance with Section 2872 of the California Labor Code that this Agreement does not require Employee to assign or offer to assign to the Company any invention that Employee developed entirely on Employee’s
own time without using the Company’s equipment, supplies, facilities or trade secret information except for those inventions that either: 
  

	 	1.	Relate at the time of conception or reduction to practice of the invention to the Company’s business, or actual demonstrably anticipated research or development of the Company; or 

 

	 	2.	Result from any work performed by you for the Company. 

 To the extent a provision in this Agreement purports
to require Employee to assign an invention otherwise excluded by the preceding paragraph, the provision is against the public policy of the State of California and is unenforceable therein. 

This limited exclusion does not apply to any patent or invention covered by a contract between the Company and the United States or any of its agencies
requiring full title to such patent or invention to be in the United States. 

  
 4

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