General Release. Executive agrees that, in consideration of the benefits to be conferred upon Executive pursuant to this Agreement, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, he will, and hereby does, forever and irrevocably release and discharge Company, its officers, directors, executives, independent contractors, agents, affiliates, parents, subsidiaries, divisions, predecessors, executive benefit plans, purchasers, assigns, representatives, successors and successors in interest from any and all claims, actions, agreements causes of action, damages of any kind, demands, debts, defenses, grievances, obligations, contracts, complaints, promises, judgments, expenses, costs, attorneys’ fees, compensation, and liabilities, known or unknown, whatsoever which he now has, has had, or may have, whether the same be at law, in equity, or mixed, in any way arising from or relating to any act, occurrence, or transaction on or before the date of this Agreement, including without limitation his employment and separation of employment from Company. Executive expressly acknowledges that this general release includes, but is not limited to, claims under any state, local or federal wage and hour law or wage payment or collection law, and claims of discrimination, retaliation or harassment based on age, race, color, sex, religion, handicap, disability, national origin, ancestry, citizenship, marital status, sexual orientation, genetic information or any other protected basis, or any other claim of employment discrimination, retaliation or harassment under the Family and Medical Leave Act (29 U.S.C. §§ 2601 et seq.), the Americans With Disabilities Act (42 U.S.C. §§ 12101 et seq.), the Rehabilitation Act of 1973 (29 U.S.C. §§ 701 et seq.), the Age Discrimination In Employment Act (including the Older Workers Benefit Protection Act) (29 U.S.C. §§ 626 et seq.), Title VII of the Civil Rights Acts of 1964 and 1991 as amended (42 U.S.C. §§ 2000e et seq.), the Executive Retirement Income Security Act (29 U.S.C. §§ 1001 et seq.), the Consolidated Omnibus Budget Reconciliation Act of 1985 (29 U.S.C. §§ 1161 et seq.), the Genetic Information Nondiscrimination Act of 2008 (42 U.S.C. §§ 2000ff et seq.), the Fair Labor Standards Act (29 U.S.C. §§ 201 et seq.), the Colorado Anti-Discrimination Act (C.R.S. § 24-34-402 et seq.), or any other federal, state, or local law, regulation or ordinance prohibiting employment discrimination or governing employment. The Parties agree that this general release does not release # any claims arising out of any alleged breach of this Agreement, # any rights or claims the Executive may have for indemnification under the Certificate of Incorporation of the Company, the bylaws of the Company or Delaware law, or # any claims arising out of any alleged breach of the Stock Option Agreement with respect to the Vested Options held by the Executive as described in Section 3(b), which such agreements the Executive and Company agree remain in full force and effect.

General Release. Executive agrees that, in consideration of the benefits to be conferred upon Executive pursuant to this Agreement, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, he will, and hereby does, forever and irrevocably release and discharge Company, its officers, directors, executives, independent contractors, agents, affiliates, parents, subsidiaries, divisions, predecessors, executive benefit plans, purchasers, assigns, representatives, successors and successors in interest from any and all claims, actions, agreements causes of action, damages of any kind, demands, debts, defenses, grievances, obligations, contracts, complaints, promises, judgments, expenses, costs, attorneys’ fees, compensation, and liabilities, known or unknown, whatsoever which he now has, has had, or may have, whether the same be at law, in equity, or mixed, in any way arising from or relating to any act, occurrence, or transaction on or before the date of this Agreement, including without limitation his employment and separation of employment from Company. Executive expressly acknowledges that this general release includes, but is not limited to, claims under any state, local or federal wage and hour law or wage payment or collection law, and claims of discrimination, retaliation or harassment based on age, race, color, sex, religion, handicap, disability, national origin, ancestry, citizenship, marital status, sexual orientation, genetic information or any other protected basis, or any other claim of employment discrimination, retaliation or harassment under the Family and Medical Leave Act (29 U.S.C. §§ 2601 et seq.), the Americans With Disabilities Act (42 U.S.C. §§ 12101 et seq.), the Rehabilitation Act of 1973 (29 U.S.C. §§ 701 et seq.), the Age Discrimination In Employment Act (including the Older Workers Benefit Protection Act) (29 U.S.C. §§ 626 et seq.), Title VII of the Civil Rights Acts of 1964 and 1991 as amended (42 U.S.C. §§ 2000e et seq.), the Executive Retirement Income Security Act (29 U.S.C. §§ 1001 et seq.), the Consolidated Omnibus Budget Reconciliation Act of 1985 (29 U.S.C. §§ 1161 et seq.), the Genetic Information Nondiscrimination Act of 2008 (42 U.S.C. §§ 2000ff et seq.), the Fair Labor Standards Act (29 U.S.C. §§ 201 et seq.), the Colorado Anti-Discrimination Act (C.R.S. § 24-34-402 et seq.), or any other federal, state, or local law, regulation or ordinance prohibiting employment discrimination or governing employment. The Parties agree that this general release does not release # any claims arising out of any alleged breach of this Agreement, # any rights or claims the Executive may have for indemnification under the Certificate of Incorporation of the Company, the bylaws of the Company or Delaware law or any insurance policy applicable to Executive, # non-waivable employee benefits, including vested retirement benefits, or # any claims arising out of any alleged breach of the Stock Option Agreement with respect to the Vested Options held by the Executive as described in Section 3(b), which such agreement the Executive and Company agree remain in full force and effect.

liabilities, known or unknown, whatsoever which he now has, has had, or may have, whether the same be at law, in equity, or mixed, in any way arising from or relating to any act, occurrence, or transaction on or before the date of this Agreement, including without limitation his employment and separation of employment from Company. Executive expressly acknowledges that this general release includes, but is not limited to, claims under any state, local or federal wage and hour law or wage payment or collection law, and claims of discrimination, retaliation or harassment based on age, race, color, sex, religion, handicap, disability, national origin, ancestry, citizenship, marital status, sexual orientation, genetic information or any other protected basis, or any other claim of employment discrimination, retaliation or harassment under the Family and Medical Leave Act (29 U.S.C. §§ 2601 et seq.), the Americans With Disabilities Act (42 U.S.C. §§ 12101 et seq.), the Rehabilitation Act of 1973 (29 U.S.C. §§ 701 et seq.), the Age Discrimination In Employment Act (including the Older Workers Benefit Protection Act) (29 U.S.C. §§ 626 et seq.), Title VII of the Civil Rights Acts of 1964 and 1991 as amended (42 U.S.C. §§ 2000e et seq.), the Executive Retirement Income Security Act (29 U.S.C. §§ 1001 et seq.), the Consolidated Omnibus Budget Reconciliation Act of 1985 (29 U.S.C. §§ 1161 et seq.), the Genetic Information Nondiscrimination Act of 2008 (42 U.S.C. §§ 2000ff et seq.), the Fair Labor Standards Act (29 U.S.C. §§ 201 et seq.), the Colorado Anti-Discrimination Act (C.R.S. § 24-34-402 et seq.), or any other federal, state, or local law, regulation or ordinance prohibiting employment discrimination or governing employment. The Parties agree that this general release does not release # any claims arising out of any alleged breach of this Agreement, # any rights or claims the Executive may have for indemnification under the Certificate of Incorporation of the Company, the bylaws of the Company or Delaware law, or # any claims arising out of any alleged breach of the Stock Option Agreement with respect to the Vested Options held by the Executive as described in Section 3(b), which such agreements the Executive and Company agree remain in full force and effect.

General Release. Executive agrees that, in consideration of the benefits to be conferred upon Executive pursuant to this Agreement, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, he will, and hereby does, forever and irrevocably release and discharge Company, its officers, directors, executives, independent contractors, agents, affiliates, parents, subsidiaries, divisions, predecessors, executive benefit plans, purchasers, assigns, representatives, successors and successors in interest from any and all claims, actions, agreements causes of action, damages of any kind, demands, debts, defenses, grievances, obligations, contracts, complaints, promises, judgments, expenses, costs, attorneys’ fees, compensation, and

Executive’s General Release of Claims. In consideration of the Consideration, Executive on behalf of himself and his agents and successors in interest hereby UNCONDITIONALLY RELEASES AND DISCHARGES the Company, its successors, subsidiaries, parent companies and its affiliates and each of their respective partners, equity holders, principals and employees), shareholders, assigns, joint ventures, and affiliated companies and all of their respective agents, legal representatives, shareholders, attorneys, employees, members, managers, officers, directors and affiliates (collectively, the “Releasees”) from ALL CLAIMS, LIABILITIES, DEMANDS AND CAUSES OF ACTION that he may by law release, whether known or unknown, fixed or contingent, that he may have or claim to have against any Releasee for any reason as of the date of Executive’s execution of this Agreement. Executive specifically acknowledges and agrees that he is releasing any and all rights under federal, state and local employment laws including without limitation the Age Discrimination in Employment Act, the Older Workers Benefit Protection Act, Title VII of the Civil Rights Act of 1964, 42 U.S.C. § 1981, the Americans With Disabilities Act, the Family and Medical Leave Act, the Genetic Information Nondiscrimination Act, the anti-retaliation provisions of the Fair Labor Standards Act, the Employee Retirement Income Security Act, the Equal Pay Act, the Occupational Safety and Health Act, the Worker Adjustment and Retraining Notification Act, the Employee Polygraph Protection Act, the Fair Credit Reporting Act, and any and all other local, state, and federal law claims arising under statute or common law. It is agreed that this is a general release and it is to be broadly construed as a release of all claims, except as set forth in Section 4(b) below.

Release. For and in consideration of the continued employment described in Section 1 and the payments and benefits described in Section 2 and Section 4, Executive hereby agrees on behalf of himself, his agents, assignees, attorneys, successors, assigns, heirs and executors, to, and Executive does hereby, fully and completely forever release the Company and its past, current and future affiliates, predecessors and successors and all of their respective past and/or present officers, directors, partners, members, managing members, managers, employees, agents, representatives, administrators, attorneys, insurers and fiduciaries, in their individual and/or representative capacities (hereinafter collectively referred to as the “Company Releasees”), from any and all causes of action, suits, agreements, promises, damages, disputes, controversies, contentions, differences, judgments, claims, debts, dues, sums of money, accounts, reckonings, bonds, bills, specialties, covenants, contracts, variances, trespasses, extents, executions and demands of any kind whatsoever, which Executive or his agents, assignees, attorneys, successors, assigns, heirs and executors ever had, now have or may have against the Company Releasees or any of them, in law or equity, whether known or unknown to Executive, for, upon, or by reason of, any matter, action, omission, course or thing whatsoever occurring up to the date this Agreement is signed by Executive, arising out of or in connection with or in relationship to Executive’s employment or other service relationship with the Company or the termination thereof, and any applicable employment, compensatory or equity arrangement with the Company, any claims of breach of contract, wrongful termination, retaliation, fraud, defamation, infliction of emotional distress or national origin, race, age, sex, sexual orientation, disability, medical condition or other discrimination or harassment, (such released claims are collectively referred to herein as the “Released Claims”); provided, that, Executive does not waive or release # any claims with respect to the right to enforce this Agreement (or the agreements or provisions set forth in Section 6(f) of this Agreement), # claims with respect to any vested right Executive may have under any employee pension or welfare benefit plan of the Company, # any rights Executive may have for indemnification from the Company or any of its affiliates or under any insurance policy, and # any claims that may not be waived by law.

General Release. In consideration of the payments to be made by Company to Executive in Paragraph 3 above, Executive, with full understanding of the contents and legal effect of this Agreement and having the right and opportunity to consult with his counsel, releases and discharges Company, its officers, directors, board members, supervisors, managers, employees, agents, representatives, attorneys, divisions, subsidiaries and affiliates, and all related entities of any kind or nature, and its and their predecessors, successors, heirs, executors, administrators, and assigns (collectively, the “Company Released Parties”) from any and all claims, actions, causes of action, grievances, suits, charges, or complaints of any kind or nature whatsoever, that he ever had or now has, whether fixed or contingent, liquidated or unliquidated, known or unknown, suspected or unsuspected, and whether arising in tort, contract, statute, or equity, before any federal, state, local, or private court, agency, arbitrator, mediator, or other entity, regardless of the relief or remedy. Without limiting the generality of the foregoing, it being the intention of the parties to make this General Release as broad and as general as the law permits, this General Release specifically includes any and all subject matters and claims arising from any alleged violation by the Company Released Parties under the Age Discrimination in Employment Act of 1967, as amended; Title VII of the Civil Rights Act of 1964, as amended; the Civil Rights Act of 1866, as amended by the Civil Rights Act of 1991 (42 U.S.C. § 1981); the Rehabilitation Act of 1973, as amended; the Employee Retirement Income Security Act of 1974, as amended; the Illinois Human Rights Act and other similar state or local laws; the Americans with Disabilities Act; the Worker Adjustment and Retraining Notification Act; the Equal Pay Act; Executive Order 11246; Executive Order 11141; and any other statutory claim, employment or other contract or implied contract claim or common law claim for wrongful discharge, breach of an implied covenant of good faith and fair dealing, defamation, or invasion of privacy arising out of or involving his employment with Company, the termination of his employment with Company, or involving any continuing effects of his employment with Company or termination of employment with Company, including any claims arising under the Employment Agreement. The Executive further acknowledges that he is aware that statutes exist that render null and void releases and discharges of any claims, rights, demands, liabilities, action and causes of action which are unknown to the releasing or discharging part at the time of execution of the release and discharge. The Executive hereby expressly waives, surrenders and agrees to forego any protection to which he would otherwise be entitled by virtue of the existence of any such statute in any jurisdiction including, but not limited to, the State of Illinois.

Release. For and in consideration of the continued employment described in Section 1 and the payments and benefits described in Section 2, Executive hereby agrees on behalf of himself, his agents, assignees, attorneys, successors, assigns, heirs and executors, to, and Executive does hereby, fully and completely forever release the Company and its past, current and future affiliates, predecessors and successors and all of their respective past and/or present officers, directors, partners, members, managing members, managers, employees, agents, representatives, administrators, attorneys, insurers and fiduciaries, in their individual and/or representative capacities (hereinafter collectively referred to as the “Company Releasees”), from any and all causes of action, suits, agreements, promises, damages, disputes, controversies, contentions, differences, judgments, claims, debts, dues, sums of money, accounts, reckonings, bonds, bills, specialties, covenants, contracts, variances, trespasses, extents, executions and demands of any kind whatsoever, which Executive or his agents, assignees, attorneys, successors, assigns, heirs and executors ever had, now have or may have against the Company Releasees or any of them, in law or equity, whether known or unknown to Executive, for, upon, or by reason of, any matter, action, omission, course or thing whatsoever occurring up to the date this Agreement is signed by Executive, including, without limitation, in connection with or in relationship to Executive’s employment or other service relationship with the Company, and any applicable employment, compensatory or equity arrangement with the Company, any claims of breach of contract, wrongful termination, retaliation, fraud, defamation, infliction of emotional distress or national origin, race, age, sex, sexual orientation, disability, medical condition or other discrimination or harassment, (such released claims are collectively referred to herein as the “Released Claims”); provided, that, Executive does not waive or release # any claims with respect to the right to enforce this Agreement, # claims with respect to any vested right Executive may have under any employee pension or welfare benefit plan of the Company, # any rights Executive may have for indemnification from the Company or any of its affiliates, and # any claims that may not be waived by law.

General Release and Waiver. In consideration of the payments and other consideration provided for in this Release, that being good and valuable consideration, the receipt, adequacy and sufficiency of which are acknowledged by Executive, Executive, on Executive's own behalf and on behalf of Executive's agents, administrators, representatives, executors, successors, heirs, devisees and assigns (collectively, the "Releasing Parties") hereby fully releases, remises, acquits and forever discharges the Company, and all of its affiliates, and each of their respective past, present and future officers, directors, shareholders, equity holders, members, partners, agents, employees, consultants, independent contractors, attorneys, advisers, successors and assigns (collectively, the "Released Parties"), jointly and severally, from any and all claims, rights, demands, debts, obligations, losses, causes of action, suits, controversies, setoffs, affirmative defenses, counterclaims, third party actions, damages, penalties, costs, expenses, attorneys' fees, and liabilities of any kind or nature whatsoever (collectively, the "Claims"), whether known or unknown, suspected or unsuspected, accrued or unaccrued, whether at law, equity, administrative, statutory or otherwise, and whether for injunctive relief, back pay, fringe benefits, reinstatement, reemployment, or compensatory, punitive or any other kind of damages, which any of the Releasing Parties ever have had in the past or presently have against the Released Parties, and each of them, arising from or relating to Executive's employment with the Company or its affiliates or the termination of that employment or any circumstances related thereto, or (except as otherwise provided below) any other matter, cause or thing whatsoever, including without limitation all claims arising under or relating to employment, employment contracts, employee benefits or purported employment discrimination or violations of civil rights of whatever kind or nature, including without limitation all claims arising under the Age Discrimination in Employment Act ("ADEA''), the Americans with Disabilities Act, as amended, the Family and Medical Leave Act of 1993, the Equal Pay Act of 1963, the Rehabilitation Act of 1973, Title VII of the United States Civil Rights Act of 1964, 42 U.S.C. § 1981, the Executive Retirement Income Security Act, the Civil Rights Act of 1991, the Civil Rights Acts of 1866 and/or 1871, the Genetic Information Nondiscrimination Act, Chapter 21 of the Texas Labor Code, the Texas Payday Law, the Texas Labor Code or any other applicable federal, state or local employment statute, law or ordinance, including, without limitation, any disability claims under any such laws, claims for wrongful discharge, claims arising under state law, contract claims including breach of express or implied contract, alleged tortious conduct, claims relating to alleged fraud, breach of fiduciary duty or reliance, breach of implied covenant of good faith and fair dealing, and any other claims arising under state or federal law, as well as any expenses, costs or attorneys' fees. Executive further agrees that Executive will not file or permit to be filed on Executive's behalf any such claim. Notwithstanding the preceding sentence or any other provision of this Release, this Release is not intended to interfere with Executive's right to file a charge with the Equal Employment Opportunity Commission (the "EEOC"), or other governmental agency, in connection with any claim Executive believes Executive may have against the Company or its affiliates. However, by executing this Release, Executive hereby waives the right to recover in any proceeding Executive may bring before the EEOC or any other governmental agency or in any proceeding brought by the EEOC or other governmental agency on Executive's behalf. This Release shall not apply to any of the Company's obligations under this Release or post-termination obligations under the Employment Agreement, including Section 6 thereof. Executive acknowledges that certain of the payments and benefits provided for in Section 2 of this Release constitute good and valuable consideration for the release contained in this Section 3. Anything to the contrary contained in this Release notwithstanding, nothing in this Release shall release or adversely affect # rights to indemnification and advancement of expenses the Executive has or may have under the bylaws or certificate of incorporation or other governing documents of the Company or any subsidiary or affiliate of the Company or any separate indemnification or similar agreement, or as an insured under any director's and officer's liability insurance policy now or previously in force; # any matters which expressly survive the execution of this Release as set forth in the Employment Agreement, the terms and conditions of which are incorporated herein by reference; # vested rights under benefit plans, which rights shall be governed by the terms of such plans; or # rights granted to Executive related to or arising out of the purchase or ownership of equity of the Company and any related award or similar agreement.

General Release and Waiver. In consideration of the payments and other consideration provided for in this Release, that being good and valuable consideration, the receipt, adequacy and sufficiency of which are acknowledged by Executive, Executive, on Executive’s own behalf and on behalf of Executive’s agents, administrators, representatives, executors, successors, heirs, devisees and assigns (collectively, the “Releasing Parties”) hereby fully releases, remises, acquits and forever discharges the Company, and all of its affiliates, and each of their respective past, present and future officers, directors, shareholders, equity holders, members, partners, agents, employees, consultants, independent contractors, attorneys, advisers, successors and assigns (collectively, the “Released Parties”), jointly and severally, from any and all claims, rights, demands, debts, obligations, losses, causes of action, suits, controversies, setoffs, affirmative defenses, counterclaims, third party actions, damages, penalties, costs, expenses, attorneys’ fees, and liabilities of any kind or nature whatsoever (collectively, the “Claims”), whether known or unknown, suspected or unsuspected, accrued or unaccrued, whether at law, equity, administrative, statutory or otherwise, and whether for injunctive relief, back pay, fringe benefits, reinstatement, reemployment, or compensatory, punitive or any other kind of damages, which any of the Releasing Parties ever have had in the past or presently have against the Released Parties, and each of them, arising from or relating to Executive’s employment with the Company or its affiliates or the termination of that employment or any circumstances related thereto, or (except as otherwise provided below) any other matter, cause or thing whatsoever, including without limitation all claims arising under or relating to employment, employment contracts, employee benefits or purported employment discrimination or violations of civil rights of whatever kind or nature, including without limitation all claims arising under the Age Discrimination in Employment Act (“ADEA’’), the Americans with Disabilities Act, as amended, the Family and Medical Leave Act of 1993, the Equal Pay Act of 1963, the Rehabilitation Act of 1973, Title VII of the United States Civil Rights Act of 1964, 42 U.S.C. § 1981, the Executive Retirement Income Security Act, the Civil Rights Act of 1991, the Civil Rights Acts of 1866 and/or 1871, the Genetic Information Nondiscrimination Act, Chapter 21 of the Texas Labor Code, the Texas Payday Law, the Texas Labor Code or any other applicable federal, state or local employment statute, law or ordinance, including, without limitation, any disability claims under any such laws, claims for wrongful discharge, claims arising under state law, contract claims including breach of express or implied contract, alleged tortious conduct, claims relating to alleged fraud, breach of fiduciary duty or reliance, breach of implied covenant of good faith and fair dealing, and any other claims arising under state or federal law, as well as any expenses, costs or attorneys’ fees. Executive further agrees that Executive will not file or permit to be filed on Executive’s behalf any such claim. Notwithstanding the preceding sentence or any other provision of this Release, this Release is not intended to interfere with Executive’s right to file a charge with the Equal Employment Opportunity Commission (the “EEOC”), or other governmental agency, in connection with any claim Executive believes Executive may have against the Company or its affiliates. However, by executing this Release, Executive hereby waives the right to recover in any proceeding Executive may bring before the EEOC or any other governmental agency or in any proceeding brought by the EEOC or other governmental agency on Executive’s behalf. This Release shall not apply to any of the Company’s obligations under this Release or post-termination obligations under the Employment Agreement, including Section 6 thereof. Executive acknowledges that certain of the payments and benefits provided for in Section 2 of this Release constitute good and valuable consideration for the release contained in this Section 3. Anything to the contrary contained in this Release notwithstanding, nothing in this Release shall release or adversely affect # rights to indemnification and advancement of expenses the Executive has or may have under the bylaws or certificate of incorporation or other governing documents of the Company or any subsidiary or affiliate of the Company or any separate indemnification or similar agreement, or as an insured under any director’s and officer’s liability insurance policy now or previously in force;

In consideration for, among other terms, the Executive’s continued employment and the payments and benefits set forth in this Amendment, to which the Executive acknowledges the Executive would otherwise not be entitled, the Executive voluntarily releases and forever discharges the Company, its affiliated and related entities, its and their respective predecessors, successors and assigns, its and their respective employee benefit plans and fiduciaries of such plans, and the current and former officers, directors, shareholders, employees, attorneys, accountants and agents of each of the foregoing in their official and personal capacities (collectively referred to as the “Releasees”) generally from all claims, demands, debts, damages and liabilities of every name and nature, known or unknown (collectively, “Claims”) that, as of the date when the Executive signs this Amendment, the Executive has, ever had, now claims to have or ever claimed to have had against any or all of the Releasees. This release includes, without limitation, all Claims under the Age Discrimination in Employment Act, the Americans with Disabilities Act, and Title VII of the Civil Rights Act of 1964); under MGL c. 151B; and for wages, bonuses, incentive compensation, commissions, stock, stock options, vacation pay or any other compensation or benefits, either under 150C, or otherwise (collectively, the “Release”). This Release does not waive claims that cannot be released by law; claims for indemnification to the extent provided in the Company’s by-laws or the Company’s written form of indemnification agreement; and claims that arise after the date the Executive signs the Release.